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Home >> Chevrolet >> 2005 >> Venture Base, Van Cargo Extended >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> Scan Tool Data Definitions
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Scan Tool Data Definitions

Crank Request Signal

The scan tool displays Yes/No. The scan tool displays Yes when the PCM receives battery positive voltage on the crank request circuit.

Generator L-Terminal Signal Command

The scan tool displays On/Off. The scan tool displays Off until the engine is running, then the PCM supplies then the percentage value varies depending on electrical loads

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 PCM.

Starter Relay Command

The scan tool displays ON/OFF. The scan tool displays Off until the ignition is placed into the CRANK position, then it reads On.