Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1994GRAND VOYAGER BASE, 31THREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODES - BODY CONTROL COMPUTERSELF-DIAGNOSTIC TESTSTEST 28A - DIAGNOSING COURTESY LIGHT SYSTEM
1994 Plymouth Grand Voyager Base, 31TH
Test 28A - Diagnosing Courtesy Light System
1994 Plymouth Grand Voyager Base, 31THSECTION Test 28A - Diagnosing Courtesy Light System
NOTE:
For wiring diagrams, see WIRING DIAGRAMS
in this article.
Courtesy light system diagnostics are separated into 8 categories. Verify customer complaint and identify problem area before performing appropriate test. See DIAGNOSING COURTESY LIGHT SYSTEMS table.
DIAGNOSING COURTESY LIGHT SYSTEMS
| Description | Perform TEST |
|---|---|
| Courtesy Lights Inoperative With Any Door Open | TEST 28B |
| One Or More Courtesy Lights Inoperative | TEST 30A |
| All Courtesy Lights Inoperative With Dome Light Switch | TEST 31A |
| Courtesy Lights On At All Times | TEST 32A |
| All Courtesy Lights Inoperative With Left Front Door | TEST 40A |
| All Courtesy Lights Inoperative With Right Front Door | TEST 41A |
| All Courtesy Lights Inoperative With Side Door | TEST 42A |
| All Courtesy Lights Inoperative With Liftgate | TEST 43A |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.