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Pinpoint Test 4

PINPOINT TEST 4: THE FOG LAMPS ON INDICATOR IS INOPERATIVE

Normal Operation
When the smart junction box (SJB) detects the fog lamps on request, the SJB provides ground to the fog lamp relay coil (integral to the SJB). When the fog lamp relay is energized, voltage is routed through circuit (BR/Y) to the fog lamps and to circuit (BR/W) to the main light switch for the fog lamps on indicator.

Possible Causes
- Wiring, terminals or connectors
- Main light switch
- SJB

Diagnostic Procedure

CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

Step 1-Step 3: