FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test C: No Power In Run/Start

Pinpoint Test C: No Power in RUN/START
Refer to Vehicle/Diagrams, Power Distribution for schematic and connector information.

Normal Operation
When placed in the RUN position, the ignition switch provides fused battery voltage to the following circuits:
^ 296 (WH/VT)
^ 687 (GY/YE)
^ 1717 (VT/OG)

When placed in the START position, the ignition switch provides fused battery voltage to the following circuits:
^ 1522 (DG)
^ 1717 (VT/OG)
^ DTC C1555 RUN/START Input Circuit Failure - If during the on-demand self test, the lighting control module (LCM) detects an open circuit or a short to ground in the RUN or START circuits, DTC C1555 will be set.

This pinpoint test is intended to diagnose the following:
^ Fuse(s)
^ Wiring, terminals or connectors
^ Ignition switch
^ Central junction box (CJB)

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