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*LEFT PARK LAMP INOPERATIVE (CONTINUED) POSSIBLE CAUSES FUSED B(+) CIRCUIT OPEN GROUND CIRCUIT OPEN LEFT PARK LAMP BULB For a complete Exterior Lamps Circuit Diagram, (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR - Diagnostic Test 1. INSPECT THE LEFT PARK LAMP BULB Note: If the left front side marker lamp, the left park lamp, the left rear side marker lamp, and the left tail Remove the Left Park Lamp bulb and inspect for an open filament. Is the Bulb filament open? Yes >> Replace the Left Park Lamp bulb. (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/FRONT POSITION LAMP - REMOVAL). Perform BODY VERIFICATION TEST. No >> Go to 2 2. MEASURE FUSED B(+) CIRCUIT RESISTANCE Disconnect the Left Park Lamp harness connector. Disconnect the Illumination Control Module harness connector. Note: Check connectors - Clean/repair as necessary. Is the resistance below 5.0 ohms? Yes >> Go to 3 No >> Repair the Fused B(+) circuit for an open between the Left Park Lamp and the Illumination Control Module. Perform BODY VERIFICATION TEST. ZH LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS 8L - 9 |