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.

Battery Voltage:  The scan tool displays 0-20 Volts. The scan tool displays the voltage as received on the battery positive voltage circuit of the Module or the 72-08 battery voltage message from the BCM over class 2 lines.

Crank:  The scan tool displays Yes/No. The scan tool displays Yes when the module receives battery positive voltage on the crank request signal circuit.

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.

Volt Lamp:  The scan tool displays On/Off. The scan tool displays On when the module commands the volt lamp to be On.