Operation CHARM: Car repair manuals for everyone.

Pinpoint Test 2

PINPOINT TEST 2: AN INDIVIDUAL FOG LAMP IS INOPERATIVE

Normal Operation
When the fog lamp relay is energized, voltage is routed through circuit (BR/Y) to the fog lamps. Ground is provided through circuit (B/G).

Possible Causes
- Wiring, terminals or connectors

Diagnostic Procedure

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

NOTE:
- Make sure the bulb is good before continuing diagnostics.
- The battery ground cable must be disconnected for accurate test results when checking ground circuits for continuity to ground.

Step 1: