Scan Tool Output Control | Additional Menu Selection(s) | Description | ||||||
|---|---|---|---|---|---|---|---|---|
Cylinder Power Balance | Fuel System | Enables/disables a cylinder by turning OFF the fuel injector to the cylinder. The fuel injector is normally enabled. The control module disables the fuel injector when the following conditions are met:
When DISABLE is selected, the control module turns the injector OFF for 30 seconds. | ||||||
Engine Controls Ignition Relay | Output Control | 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. | ||||||
Engine Speed Control | Engine Speed/Throttle | 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 400-2,200 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. | ||||||
EVAP Purge/Seal | Output Control/EVAP System | 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 19 mm Hg (10 in H2O). | ||||||
EVAP Purge Solenoid | Output Control/EVAP System | 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 19 mm Hg (10 in H2O). | ||||||
EVAP Service Bay Test | Service Bay Test | Activates the on-board EVAP diagnostic test. | ||||||
EVAP Vent Solenoid | Output Control/EVAP System | Activates the vent solenoid. The device control will be aborted and inhibited if the FTP sensor exceeds 19 mm Hg (10 in H2O). | ||||||
Exh. CMP Actuator Sol. Bank 1 | Output Control/CMP Actuator System | This function controls the exhaust camshaft actuator solenoid for bank 1. The normal commanded state is NONE. When commanded ON/OFF, the ECM turns the camshaft actuator solenoid 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 scan tool. | ||||||
Exh. CMP Actuator Sol. Bank 2 | Output Control/CMP Actuator System | This function controls the exhaust camshaft actuator solenoid for bank 2. The normal commanded state is NONE. When commanded ON/OFF, the ECM turns the camshaft actuator solenoid 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 scan tool. | ||||||
Exhaust CMP Actuator Bank 1 | Output Control/CMP Actuator System | This function controls the exhaust camshaft actuator for 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 50 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 scan tool. | ||||||
Exhaust CMP Actuator Bank 2 | Output Control/CMP Actuator System | This function controls the exhaust camshaft actuator for 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 50 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 scan tool. | ||||||
Fuel Injector Balance | Fuel System | 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:
The selected fuel injector can only be flowed/pulsed once per ignition cycle. | ||||||
Fuel Pump Relay | Output Control/Fuel Pump | Activates the fuel pump relay for 2 seconds. Also turns fuel pump ON and OFF while engine is running. | ||||||
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 scan tool. | ||||||
Fuel Trim Reset | Fuel System | Activates the reset of fuel trim data in all fuel trim cells. | ||||||
HO2S Heater Bank 1 Sensor 1 | Output Control/Heated Oxygen Sensors | Activates the heated oxygen sensor (HO2S) heater. The commanded states include NONE, Increase, and Decrease. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||
HO2S Heater Bank 1 Sensor 2 | Output Control/Heated Oxygen Sensors | Activates the heated oxygen sensor (HO2S) heater. The commanded states include NONE, Increase, and Decrease. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||
HO2S Heater Bank 2 Sensor 1 | Output Control/Heated Oxygen Sensors | Activates the heated oxygen sensor (HO2S) heater. The commanded states include NONE, Increase, and Decrease. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||
HO2S Heater Bank 2 Sensor 2 | Output Control/Heated Oxygen Sensors | Activates the heated oxygen sensor (HO2S) heater. The commanded states include NONE, Increase, and Decrease. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the tool. | ||||||
HO2S Heater Learn | Output Control/Heated Oxygen Sensors | Used to reset the learned HO2S resistance values in the ECM. Perform this function when an HO2S is replaced. | ||||||
Idle Spark | Output Control/Spark Control | Disables and enables idle spark advance with the engine running. | ||||||
IMT Valve | Output Control | Activates the IMT valve. The commanded states include NONE, ON and OFF. The normal commanded states is NONE. The valve remains in the commanded state until cancelled. | ||||||
Int. CMP Actuator Sol. Bank 1 | Output Control/CMP Actuator System | This function controls the intake camshaft actuator for bank 1. The normal commanded state is NONE. When commanded ON/OFF, the ECM turns the camshaft actuator solenoid 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 scan tool. | ||||||
Int. CMP Actuator Sol. Bank 2 | Output Control/CMP Actuator System | This function controls the intake camshaft actuator solenoid for bank 2. The normal commanded state is NONE. When commanded ON/OFF, the ECM turns the camshaft actuator solenoid 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 scan tool. | ||||||
Intake CMP Actuator Bank 1 | Output Control/CMP Actuator System | This function controls the intake camshaft actuator for bank 1. The normal commanded states is NONE. The system will increase or decrease the angle of the selected camshaft in 5 degree increments up to 50 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 scan tool. | ||||||
Intake CMP Actuator Bank 2 | Output Control/CMP Actuator System | This function controls the intake camshaft actuator for 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 50 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 scan tool. | ||||||
Loop Status | Output Control | 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. | ||||||
Malfunction Indicator Lamp | Output Control | Activates the malfunction indicator lamp (MIL). The MIL will remain illuminated until cancelled by the scan tool. | ||||||
Misfire Graphic | -- | Graphs the accumulated misfires occurring in each cylinder. The scan tool allows for a reset of the misfire graph. | ||||||
Spark Retard | Output Control/Spark Control | 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. | ||||||
Throttle Position | Engine Speed/Throttle | Operates TAC motor in 10 percent increments to open or close the throttle blade. The test operates during key ON, engine OFF. |
