Scan Tool Data Definitions

Scan Tool Data Definitions

Battery Voltage Signal

- The scan tool displays 0-20 Volts. The scan tool displays the voltage as received by the module or the 72-08 battery voltage message from the body control module (BCM) over class 2 lines.

CPP Switch (If Equipped)

- The scan tool displays Released/Applied. The scan tool displays the position of the clutch pedal position (CPP) switch.

Crank Request Signal

- The scan tool displays Yes/No. The scan tool displays No until the ignition is placed into the START position then Yes is displayed.

GEN F-Terminal Signal

- The scan tool displays 0-100%. The scan tool displays the percentage of the GEN F-Terminal signal.

GEN L-Terminal Circuit Status

- The scan tool displays Incomplete, Short Gnd / Open, Short to B+ or OK. The scan tool displays the status of the GEN L-Terminal circuit.

GEN L-Terminal Command

- The scan tool displays 0-100%. The scan tool displays the percentage of the GEN L-Terminal signal.

GEN L-Terminal Signal

- The scan tool displays Voltage/No Voltage. The scan tool displays Voltage until the engine is running, then displays No Voltage when the engine is running.

Idle Boost Level

- The scan tool displays amps. The scan tool displays the current engine idle boost level as commanded by the engine control module (ECM)/powertrain control module (PCM).

Ignition 1 Signal

- The scan tool displays 0-20 Volts. The scan tool displays the voltage as received on the ignition 1 circuit to the ECM/PCM.

Ignition Accessory Signal

- The scan tool displays On/Off. The scan tool displays if the ignition 0 signal is On or Off.

Run/Crank Relay

- The scan tool displays On/Off. The scan tool display actual state of the Run/Crank relay. It will display On when in a remote start event.

Run/Crank Relay Command

- The scan tool displays On/Off. The scan tool displays the commanded state of the Run/Crank relay.

Starter Relay Circuit Status

- The scan tool displays Incomplete, Short Gnd / Open, Short to B+ or OK. The scan tool displays the status of the starter relay circuit.

Starter Relay Command

- The scan tool displays ON/OFF. The scan tool displays Off until engine start has been requested, then it reads On.

TR Sw.

- The scan tool displays Park, Reverse, Neutral, Drive 5, Drive 4, Drive 3, Drive 2, Drive 1. The scan tool displays the position of the transmission range switch.