all of this was cropped off the bottom
if a diagnosis has not been made. The scan tool will display Fault if there is
a short to voltage on the circuit.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=2><P>Starter Relay Command</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Off</P>
</TD><TD VALIGN="middle" ROWSPAN=2><P>The scan tool displays ON or OFF. This displays the commanded state of the starter relay by the ECM.</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Ignition switch in the crank position</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>On</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Start-up ECT</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Varies</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Indicates the engine coolant temperature at engine start up.</P>
<P>The scan tool displays a range of -39 to +140°C (-38 to +284°F). The scan tool displays the engine ECT at the time the engine was started. The PCM uses start-up ECT for certain DTCs.</P>
<P>Indicates the engine coolant temperature at the time that the vehicle was started. Used to determine if the last startup was a cold start.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Start-up IAT</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Varies</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Indicates the IAT at the time that the vehicle was started. Used to determine if the last startup was a cold start.</P>
<P>The scan tool range is -39 to 140°C (-38 to 284°F). This parameter indicates the ambient air temperature at start-up.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TAC Forced Engine Shutdown</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>No</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the status of TAC control by the control module. The scan tool will display YES if the engine has been shut down due to a throttle control fault. The scan tool will display NO if the engine has not been shut down by a throttle
control fault.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TAC Motor</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Enabled</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the status of the TAC motor driver by the ECM. The scan tool will display Enabled if TAC motor operation is allowed. The scan tool will display disabled if the TAC motor is disabled.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TAC Motor Command</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>15-25%</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the required duty cycle to maintain a desired throttle position. The scan tool will display a higher value if more effort is required to move the throttle to the desired position, such as physical resistance. The scan tool will
display a lower value if less effort is required to move the throttle to the desired position.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TB Idle Airflow Compensation</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>32%</P>
<P>Varies</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the amount of airflow compensation in response to engine intake air flow restrictions.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TCS and Drop Throttle Status</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Inactive</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>--</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TCS Torque Request Signal</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0%</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Scan tool range 0-100 percent. Represents the PWM signal from the Electronic Brake and Traction Control Module. The EBTCM reduces the Traction Control Desired Torque signal pulse width when a drive wheel slippage situation is detected. The
ECM monitors the Traction Control Desired Torque signal and reduces drive wheel slippage as necessary by retarding spark timing, decreasing boost sol. PWM, or increasing air/fuel ratio. The ECM can also turn OFF up to three fuel injectors if the Traction Control
Desired Torque signal indicates a large enough amount of drive wheel slippage.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TFT Sensor (If equipped)</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Varies</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the transmission fluid temperature measured by a sensor. In automatic transmission applications, this is based upon the transmission fluid temperature sensor input to the TCM. In manual transmission applications with a transmission
fluid temperature sensor, this is based upon the transmission fluid temperature sensor input to the ECM.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Torque Delivered Signal</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>2-6 ft-lbs</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Represents the PWM signal which indicates the available torque the engine is delivering to the drive wheels. The EBTCM monitors the Traction Control Torque signal to ensure that the ECM is responding properly to the Traction Control Desired Torque signal.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Torque Management Spark</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0%</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates how much the ignition spark timing is being retarded to control torque by the control module. The scan tool will display a higher value under extreme torque control conditions such as spinning wheels. The scan tool will display
a lower value under low torque control conditions such as light driving.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Total Knock Retard</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0 Degrees</P>
</TD><TD ALIGN="left" VALIGN="middle" ROWSPAN=1><P>This parameter indicates how much ignition spark timing is being retarded due to all control systems monitored by the control module. The scan tool will display a high value during extreme conditions such as high temperatures and antilock braking. The
scan tool will display a lower value during lighter driving conditions.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Total Misfire</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0 Counts</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The scan tool range is 0-255 counts. This parameter indicates the total level of misfire that has been detected on each cylinder. The misfire history counters will not update or show any activity until a misfire or DTC P0300 has become
active. The misfire history counter will update every 200 cylinder firing events.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=3><P>TP Desired Angle</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>6%</P>
</TD><TD VALIGN="middle" ROWSPAN=3><P>The scan tool displays %. The scan tool displays 0-100 percent. The PCM indicates the desired throttle angle commanded by the vehicle operator. The scan tool indicates the desired throttle angle commanded by the vehicle operator.</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal not actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>11%</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal fully actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>100%</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=3><P>TP Indicated Angle</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>6%</P>
</TD><TD VALIGN="middle" ROWSPAN=3><P>This parameter displays the angle of the TP in percent. This information is calculated by the control module using the signals from the throttle position sensors. The scan tool will display a low percentage when the throttle plates are closed. The scan
tool will display a high percentage when the throttle plates are fully open.</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal not actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>29%</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal fully actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>100%</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TP Performance Test</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>OK</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter displays the status of the TP performance test by the control module. The scan tool will display OK if no fault is found. The scan tool will display Fault if the control module detects a fault during the test.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=3><P>TP Sensor 1</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>4.06 Volts</P>
</TD><TD VALIGN="middle" ROWSPAN=3><P>This parameter displays the voltage signal sent to the control module from the sensor used to monitor the position of the throttle plates. This parameter is for sensor 1 of the TP sensor assembly. The scan tool will display a high voltage when the
throttle plates are at rest. The scan tool will display a low voltage when the throttle plates are fully open.</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal not actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>3.27 Volts</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal fully actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0.80 Volts</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=3><P>TP Sensor 1 Indicated Position</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>6%</P>
</TD><TD VALIGN="middle" ROWSPAN=3><P>This parameter displays the angle of the TP sensor 1 in percent. This information is calculated by the control module using the signal from the throttle position sensor 1. The scan tool will display a low percentage when the throttle plates
are closed. The scan tool will display a high percentage when the throttle plates are fully open.</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal not actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>29%</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal fully actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>100%</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TP Sensor 1 Learned Minimum</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0.69 Volts</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter displays the learned minimum voltage for TP sensor 1 as determined by the control module this ignition cycle.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TP Sensors 1 and 2</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Agree</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter displays the results of a control module test that compares the signals from the TP sensors 1 and 2 . The scan tool will display Agree when the signal from TP sensor 1 corresponds with the signal from TP sensor 2. The
scan tool will display Disagree when the signal from TP sensor 1 conflicts with the signal from TP sensor 2.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=3><P>TP Sensor 2</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0.90 Volts</P>
</TD><TD VALIGN="middle" ROWSPAN=3><P>This parameter displays the voltage signal sent to the control module from the sensor used to monitor the position of the throttle plates. This parameter is for sensor 2 of the TP sensor assembly. The scan tool will display a low voltage when the
throttle plates are at rest. The scan tool will display a high voltage when the throttle plates are fully open.</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal not actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>1.69 Volts</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal fully actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>4.16 Volts</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=3><P>TP Sensor 2 Indicated Position</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>6%</P>
</TD><TD VALIGN="middle" ROWSPAN=3><P>This parameter displays the angle of the TP sensor 2 in percent. This information is calculated by the control module using the signal from the throttle position sensor 2. The scan tool will display a low percentage when the throttle plates
are closed. The scan tool will display a high percentage when the throttle plates are fully open.</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal not actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>28%</P>
</TD></TR>
<TR>
<TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>With Ignition On, Engine Off, Accelerator pedal fully actuated</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>100%</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>TP Sensor 2 Learned Minimum</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0.69 Volts</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter displays the learned minimum voltage for TP sensor 2 as determined by the control module this ignition cycle.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Vehicle Speed Sensor</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0 km/h/mph</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The scan tool range is 0-200 km/h (0-125 mph). This parameter displays the vehicle speed. The PCM receives reference pulses from the vehicle speed sensor (VSS) and converts them into km/h and mph for display.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD Auto Learn Counter</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0 Counts</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the number of auto-learn cycles that have been successfully completed within the immobilizer system.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD Auto Learn Timer</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0 Seconds</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the time elapsed within the current auto-learn cycle within the immobilizer system.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD Password Learn Enabled</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>No</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates if learning of the immobilizer secret information is enabled.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD Security Code Accepted</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>No</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates that the received immobilizer system security code is correct.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD Security Code Lockout</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Inactive</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter displays Active or Inactive. Security Code Lockout Active indicates that the security code has not passed and lockout is active.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD Security Code Programmed</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>No</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates if the immobilizer system security code has been programmed.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD Security Info. Programmed</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Yes</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates if the immobilizer secret information, e.g. powertrain pre-release password, powertrain secret key, has been programmed.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>VTD System Status</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Dis. Neg. Resp.</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the current state of the immobilizer algorithm. The states include the following: Standby, Disabled at Startup, Disabled Due to No Response, Disabled Due to Negative Response, Disabled Due to Incorrect Response, Post Release, Pre-Release,
Released.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Warm-ups Since DTC Cleared</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>Varies</P>
</TD><TD ALIGN="left" VALIGN="middle" ROWSPAN=1><P>The scan tool displays a range of 0-255. This parameter counts the number of warm up cycles since a DTC was cleared from memory. The scan tool displays counts.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Warm-ups w/o Emission Faults</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The scan tool displays a range of 0-255. This parameter counts the number of warm up cycles without an emission fault present. The counter increments to 255 and rolls back to 0 unless a fault occurs. If a fault occurs, the counter reverts back to
0 until the fault is corrected. Clearing the information with a scan tool or a loss of power to the PCM also resets the counter to 0. The scan tool displays counts. This display indicates the number of warm-up cycles without a emission failure.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Warm-ups w/o Non-Emission Faults</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>0</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The scan tool displays a range of 0-255. This parameter counts the number of warm up cycles without a non-emission fault present. The counter increments to 255 and rolls back to 0 unless a fault occurs. If a fault occurs, the counter reverts back
to 0 until the fault is corrected. Clearing information with a scan tool or a loss of power to the PCM also resets the counter to 0.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Wide Open Throttle</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>--</P>
</TD><TD ALIGN="center" VALIGN="middle" ROWSPAN=1><P>No</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This parameter indicates the throttle status commanded by the control module. The scan tool will display YES is the vehicle throttle is commanded to wide open. The scan tool will display NO if the vehicle throttle is commanded to an amount less than 100%.</P>
</TD></TR>
</TABLE><TABLE WIDTH="95%" BORDER=1>
<A NAME="tab2-2025298">
<A HREF="#tab2-2025298">
<FONT COLOR="#254164"><H4>Engine Control Module Scan Tool Output Controls</H4></FONT></A>
<TR>
<TH ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Output Control</P>
</TH><TH ALIGN="center" VALIGN="bottom" ROWSPAN=1><P>Description</P>
</TH></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>A/C Relay</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The commanded states are ON or OFF. The command turns the A/C relay ON or OFF, which engages or disengages the A/C compressor clutch.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Crankshaft Pos. Variation Learn</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This output control is used to activate the crankshaft position variation learn (CASE) algorithm which calculates the reference pulse correction factors for the misfire diagnostic.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Cylinder Power Balance</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Enables/disables a cylinder by turning OFF the fuel injector to the cylinder.</P>
<P>The fuel injector is normally enabled. The control module disables the fuel injector when the following conditions are met:</P>
<div align="left"><table border="0"><tr><td valign="top"> • </td><td valign="top">All the instructions on the scan tool have been completed.</td></tr></table></div>
<div align="left"><table border="0"><tr><td valign="top"> • </td><td valign="top">The engine speed has stabilized.</td></tr></table></div>
<div align="left"><table border="0"><tr><td valign="top"> • </td><td valign="top">The fuel injector has been selected.</td></tr></table></div>
<P>When DISABLE is selected, the control module turns the injector OFF for 30 seconds.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Engine Controls Ignition Relay</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the Engine Controls Ignition Relay. The commanded states include NONE, ON, and OFF. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Engine Speed Control</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the throttle activation control (TAC) system to change engine RPM. The normal commanded state is None. To enable the RPM control, all instruction on the scan tool must be completed. The system will increase or decrease the RPM within a range
of 500-1,950 RPM. The set step value changes the RPM by increments of 25 RPM, 100 RPM, and 500 RPM. The system remains in the commanded state until cancelled by the scan tool.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>EVAP Purge/Seal</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Simultaneously activates the purge solenoid in 10 percent increments from 0 to 100 percent and the vent solenoid. The device control will be aborted and inhibited if the FTP sensor exceeds -22 mm Hg (-11 in H2O).</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>EVAP Purge Solenoid</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the purge solenoid in 10 percent increments from 0 to 100 percent. The device control will be aborted and inhibited if the fuel tank pressure (FTP) sensor exceeds -22 mm Hg (-11 in H2O).</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>EVAP Service Bay Test</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the on-board EVAP diagnostic test.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>EVAP Vent Solenoid</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the vent solenoid. The device control will be aborted and inhibited if the FTP sensor exceeds -22 mm Hg (-11 in H2O).</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Fan Relay 1</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The scan tool displays a commanded state of OFF or ON. This allows you to communicate with the ECM and activate or deactivate the cooling fan 1 relay, manually turning both low speed fans ON and OFF.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Fan Relay 2 & 3</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The scan tool displays a commanded state of OFF or ON. This allows you to activate or deactivate the cooling fan series/parallel relay and the cooling fan 2 relay. The RH cooling fan 2 turns ON and OFF in high speed.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Fan Relays 1, 2, & 3</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The scan tool displays a commanded state of OFF or ON. This allows you to activate or deactivate all of the cooling fan relays. Both cooling fans turn ON and OFF in high speed.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Fuel Injector Balance</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Enables the fuel injector in order to verify proper fuel injector flow. The ECM will pulse the selected injector when the following conditions are met:</P>
<div align="left"><table border="0"><tr><td valign="top"> • </td><td valign="top">All instruction on the scan tool completed.</td></tr></table></div>
<div align="left"><table border="0"><tr><td valign="top"> • </td><td valign="top">Fuel injector selected</td></tr></table></div>
<div align="left"><table border="0"><tr><td valign="top"> • </td><td valign="top">Key ON, engine OFF</td></tr></table></div>
<P>The selected fuel injector can only be flowed/pulsed once per ignition cycle.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Fuel Pump Relay</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the fuel pump relay for 2 seconds. Also turns fuel pump ON and OFF while engine is running.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Fuel Trim Enable</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Disables the ECM ability to learn new fuel trim parameters. The commanded states are NONE, ENABLED, DISABLED. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the scan tool.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Fuel Trim Reset</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the reset of fuel trim data in all fuel trim cells.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>GEN L-Terminal</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The commanded states are ON and OFF. Selecting OFF commands the ECM to turn OFF the generator and stop generating an output voltage.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>HO2S Heater Learn</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This output control is used to trigger the reset of the learned resistances for the oxygen sensor heaters following a replacement in service. The learned resistances are reset to a calibration used to prevent overheating of the sensors until more accurate
resistances may be learned following an extended engine off time, typically 12 or more hours.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>HO2S Heater Sensor 1</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Commands the heated oxygen sensor (HO2S) heater from 0-100 percent in 10 percent increments. The normal state is NONE. The system remains in the commanded state until cancelled by the tool or the heaters exceed a maximum temperature.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>HO2S Heater Sensor 2</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Commands the heated oxygen sensor (HO2S) heater from 0-100 percent in 10 percent increments. The normal state is NONE. The system remains in the commanded state until cancelled by the tool or the heaters exceed a maximum temperature.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Idle Learn Reset</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This output control is used to reset the learned airflow adaptive values to their initial values.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Idle Spark</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Disables and enables idle spark advance with the engine running.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Loop Status</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Controls the system loop status. The commanded states include NONE, OPEN, or CLOSED. The normal commanded state is NONE. When commanded OPEN or CLOSED, the system remains in the commanded state until cancelled by the scan tool.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Malfunction Indicator Lamp</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Activates the malfunction indicator lamp (MIL). The commanded states include ON and OFF. The normal state is NONE. The MIL will remain illuminated until cancelled by the scan tool.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Misfire Graphic</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Graphs the accumulated misfires occurring in each cylinder. The scan tool allows for a reset of the misfire graph.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Oil Life Reset</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>The engine oil remaining life is determined from an algorithm based upon the effective engine revolutions and the distance driven since the last oil change. This output control may be used to reset the engine oil remaining life.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>RVS Disable History Reset</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This output control is used to trigger the reset of the last 8 reasons the ECM has disabled remote vehicle start (RVS).</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Spark Retard</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Controls the amount of spark retard. The scan tool will command an increase or decrease in the amount of spark retard in 1 degree increments, within a range of 1-10 degrees. The normal commanded state is none.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Starter Relay</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>This output control is used to override the state of the Starter Relay output. Fuel and spark are disabled to prevent the engine from starting if the starter relay output is commanded ON.</P>
</TD></TR>
<TR>
<TD VALIGN="middle" ROWSPAN=1><P>Throttle Position</P>
</TD><TD VALIGN="middle" ROWSPAN=1><P>Operates TAC motor in from 0-100 percent in 10 percent increments to open or close the throttle blade. The test operates during key ON, engine OFF.</P>
</TD></TR>
</TABLE>
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