Pinpoint Test 3

PINPOINT TEST 3: DTC B1555 - IGNITION RUN CIRCUIT FAILURE OR NO POWER IN RUN

Step 1-Step 3:

Step 4:

Normal Operation
The ignition switch RUN circuit provides fused battery voltage along circuits (W/O), (BR/Y) and (V/G) to the smart junction box (SJB) when the key is in the RUN position.

Possible Causes
- Fuse
- Circuit open
- Ignition switch
- SJB

CAUTION: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.