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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.

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.

Generator L Terminal Signal Command

The scan tool displays On/Off. The scan tool displays Off until the engine is running, at which time it will display On.

Generator F Terminal Signal

The scan tool displays 0-100 percent. The scan tool displays 0-5 percent until the engine is running, then the percentage value varies depending on electrical loads.

Ignition 1 Signal

The scan tool displays system voltage received by the module.

Starter Relay Circuit Status

The scan tool displays Fault, Indeterminate and OK. The scan tool displays the status of the starter relay circuit.

Starter Relay Command

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

TR Sw

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