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Home >> Mazda >> 2008 >> B2300 L4-2.3L >> Repair and Diagnosis >> Lighting and Horns >> Courtesy Lamp >> Testing and Inspection >> Pinpoint Tests >> Pinpoint Test 3
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Pinpoint Test 3

PINPOINT TEST 3: THE INTERIOR LAMPS DO NOT TURN ON WITH ONE DOOR OPEN

Normal Operation

NOTE: The smart junction box (SJB) is also known as the generic electronic module (GEM).

When any door is opened, the door ajar switch closes and signals the SJB/GEM. The SJB/GEM receives the door open signal and activates the interior lamp relay
(integral to the SJB/GEM) and applies voltage to circuit (G/L).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Door ajar switch
- SJB/GEM

Step 1:




Step 2-Step 5:




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