Scan Tool Output Control | Additional Menu Selection(s) | Description | ||||||||
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CAC Coolant Pump Relay Command | Output Controls | This function activates the charge air cooler (CAC) coolant pump relay. The normal commanded state is NONE. When commanded ON or OFF, the engine control module (ECM) turns the relay ON or OFF. The system remains in the commanded state until cancelled by the tool. | ||||||||
CMP Actuator Solenoid Exhaust - Bank 1 | CMP Actuator System | This function controls the camshaft actuator solenoid exhaust-bank 1. The normal commanded state is NONE. The ECM turns the camshaft actuator solenoid ON/OFF when commanded ON/OFF. The scan tool initiates the test when the following conditions are met:
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CMP Actuator Solenoid Exhaust - Bank 2 | CMP Actuator System | This function controls the camshaft actuator solenoid exhaust-bank 2. The normal commanded state is NONE. The ECM turns the camshaft actuator solenoid ON/OFF when commanded ON/OFF. The scan tool initiates the test when the following conditions are met:
The system remains in the commanded state until cancelled by the tool. | ||||||||
CMP Actuator Solenoid Intake - Bank 1 | CMP Actuator System | This function controls the camshaft actuator solenoid exhaust - bank 2. The normal commanded state is NONE. The ECM turns the camshaft actuator solenoid ON/OFF when commanded ON/OFF. The scan tool initiates the test when the following conditions are met:
The system remains in the commanded state until cancelled by the tool. | ||||||||
CMP Actuator Solenoid Intake - Bank 2 | CMP Actuator System | This function controls the camshaft actuator solenoid intake - bank 2. The normal commanded state is NONE. The ECM turns the camshaft actuator solenoid ON/OFF, when commanded ON/OF. The scan tool initiates the test when the following conditions are met:
The system remains in the commanded state until cancelled by the tool. | ||||||||
Cylinder Power Balance | Fuel System | This function allows the control module to turn OFF individual fuel injectors. The fuel injector is normally enabled. The control module will disable the fuel injector under the following conditions:
When the DISABLE is selected, the control module will turn OFF the fuel injector for up to 30 seconds, or until commanded ENABLE with the can tool. | ||||||||
Engine Controls Ignition Relay | Output Controls | This function activates the engine control ignition relay. The normal commanded state is NONE. When commanded ON or OFF, the engine control module (ECM) turns the relay ON or OFF. The system remains in the commanded state until cancelled by the scan tool. | ||||||||
Engine Speed Control | TAC System | This function activates the throttle actuator control (TAC) system to change engine speed. The normal commanded state is NONE. Follow the scan tool instructions to enable RPM control. The system will increase or decrease the engine speed between 400 RPM and 2,200 RPM. The increments are 25, 100, and 500 RPM. The system remains in the commanded state until cancelled by the scan tool. | ||||||||
EVAP Purge Solenoid (PWM) | Output Controls/Evaporative Emissions (EVAP) System | This function activates the evaporative emission (EVAP) purge solenoid valve. The normal commanded state is NONE. The system will increase or decrease the amount of purge by changing the duty cycle of the purge valve in 10 percent increments within a range of 0-100 percent. The system remains in the commanded state until cancelled by the tool or the fuel tank pressure (FTP) exceeds -24 mm Hg (-12 in H20). | ||||||||
EVAP Purge/Seal | Output Controls/Evaporative Emissions (EVAP) System | This function activates 2 functions. One function increases or decreases the amount of purge by changing the duty cycle of the purge valve and commanding the vent ON, non-venting. The normal commanded state of both valves is NONE. The system will INCREASE or DECREASE the amount of EVAP purge valve opening by 10 percent increments within a range of 0-100 percent. The second function seals the system after using the purge function to obtain a specific amount of FTP. When activated, the purge valve is commanded to 0 percent and the vent valve is commanded ON, non-venting. Both functions remain in the commanded state until cancelled by the tool, or the FTP exceeds -24 mm Hg (-12 in H20). | ||||||||
Evaporative Emission Service Bay Test | Service Bay Test | Activate the Service Bay Test to verify the integrity of the EVAP system. The scan tool initiates the test when the following conditions are met:
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EVAP Vent Solenoid | Output Controls/Evaporative Emission (EVAP) System | This function controls the evaporative emission (EVAP) vent solenoid. The normal commanded state is NONE. When commanded ON, the vent solenoid switches to non-venting. The system remains in the commanded state unless one of the following conditions occurs:
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Exhaust CMP Actuator - Bank 1 | CMP Actuator System | This function controls the bank 1 exhaust camshaft actuator. The normal commanded state is NONE. The system will INCREASE or DECREASE the angle of the selected camshaft in 5-degree increments up to 25 crankshaft degrees. The scan tool initiates the test when the following conditions are met:
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Exhaust CMP Actuator - Bank 2 | CMP Actuator System | This function controls the bank 2 exhaust camshaft actuator. The normal commanded state is NONE. The system will INCREASE or DECREASE the angle of the selected camshaft in 5-degree increments up to 25 crankshaft degrees. The scan tool initiates the test when the following conditions are met:
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Fuel Injector Balance | Fuel System | Enables fuel injector to verify proper fuel injector flow. The ECM also enables the fuel pump. The ECM will pulse the selected injector when the following conditions are met:
The selected fuel injector can only be flowed/pulsed once per ignition cycle. | ||||||||
Fuel Pump Relay | Output Controls | This function activates the fuel pump relay. The normal commanded state is NONE. The ECM turns the fuel pump relay ON/OFF, when commanded ON/OFF. If the engine is running and the fuel pump relay is commanded OFF, the engine will stall. The system remains in the commanded state until cancelled by the tool. | ||||||||
Fuel Trim Enable | Fuel System | Disables the ECMs 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 tool. | ||||||||
Fuel Trim Reset | Fuel System | This function activates the reset of fuel trim data in all fuel trim cells. | ||||||||
HO2S Bank 1 Sensor 1 Heater | Output Control/Heated Oxygen Sensors | Activate HO2S bank 1 sensor 2 heater. The ECM commands the heater ON in 10 percent increments from 0 to 100 percent. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||||
HO2S Bank 1 Sensor 2 Heater | Output Control/Heated Oxygen sensors | Activate HO2S bank 1 sensor 2 heater. The ECM commands the heater ON in 10 percent increments from 0 to 100 percent. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||||
HO2S Bank 2 Sensor 1 Heater | Output Control/Heated Oxygen sensors | Activate HO2S bank 1 sensor 2 heater. The ECM commands the heater ON in 10 percent increments from 0 to 100 percent. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||||
HO2S Bank 2 Sensor 2 Heater | Output Control/Heated Oxygen Sensors | Activate HO2S bank 1 sensor 2 heater. The ECM commands the heater ON in 10 percent increments from 0 to 100 percent. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||||
Idle Spark | Output Control/Ignition Control | Disable or enable idle spark before the engine running. | ||||||||
Intake CMP Actuator - Bank 1 | CMP Actuator System | This function controls the intake CMP actuator - bank 1. The normal commanded state is NONE. The system will INCREASE or DECREASE the angle of the selected camshaft in 5 degree increments up to 20 crankshaft degrees. The scan tool initiates the test when the following conditions are met:
The system remains in the commanded state until cancelled by the tool. | ||||||||
Intake CMP Actuator - Bank 2 | CMP Actuator System | This function controls the intake camshaft actuator - bank 2. The normal commanded state is NONE. The system will increase or decrease the angle of the selected camshaft in 5 degree increments up to 20 crankshaft degrees. The scan tool initiates the test when the following conditions are met:
The system remains in the commanded state until cancelled by the tool. | ||||||||
Loop Status | Output Controls | This function changes to loop status. The commanded states include Open and Closed. When commanded Open or Closed, the system remains in the commanded state until cancelled by the scan tool. | ||||||||
Malfunction Indicator Lamp (MIL) | Output Controls | This function activates the malfunction indicator lamp (MIL). The commanded states include NONE, ON and OFF. When commanded ON or OFF, the system remains in the commanded state until cancelled by the scan tool. | ||||||||
Misfire Graphic | -- | This function graphs the accumulation of misfires occurring in each cylinder. The system remains in the commanded state until cancelled by the scan tool. | ||||||||
O2S Heater Driver 1-4 | Output Controls/Heated Oxygen Sensors | This function activates the oxygen sensor heater. The normal commanded state is NONE. The system will INCREASE or DECREASE the amount of current in 10 percent increments within a range of 0-100 percent. The system remains in the commanded state until cancelled by the tool. | ||||||||
Reset Idle Learn | TAC System | This functions allows the idle speed to be relearned by the control module. | ||||||||
SCB Solenoid | Output Controls | Enable solenoids, increase or decrease in 10 percent increments from NONE. The range is 0-100 percent. | ||||||||
Spark Retard | Spark Control | This function control the amount of spark retard by the control module. The normal commanded state is NONE. The System will increase or decrease the amount of spark retard from 1-10 degrees maximum retard. The system will remain in the commanded state until cancelled by the scan tool. | ||||||||
Throttle Positions | Output Controls/Throttle Actuator Control (TAC) System | This function opens the throttle plate in 25 percent increments. The scan tool initiates the test when the following conditions are met:
The system remains in the commanded state until cancelled by the scan tool. |