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Test C: DTC B1555 - Ignition Run/Start Circuit Failure

Pinpoint Test C: DTC B1555 - Ignition RUN/START Circuit Failure
Refer to Vehicle/Diagrams, Power Distribution/SJB for schematic and connector information.

Normal Operation
When placed in RUN, the ignition switch provides voltage to the smart junction box (SJB) and the instrument cluster on circuit CDC34 (WH/OG). When placed in START, the ignition switch provides voltage to the SJB on circuit CDC35 (BU/WH).
^ DTC B 1555 Ignition RUN/START Circuit Failure - If the SJB detects an open circuit, a short to voltage or a short to ground on the RUN/START circuit, DTC B 1555 will be set.

This pinpoint test is intended to diagnose the following:
^ Wiring, terminals or connectors
^ Ignition switch
^ SJB

C1-C2:




C2 (Continued)-C5:




C5 (Continued):