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Home >> Chevrolet >> 2002 >> Venture LS, Van Passenger Extended, FWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> 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.

Fig 1: Diagnostic Trouble Code (DTC) List
G01829718Courtesy of GENERAL MOTORS CORP.
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