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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Body Diagnostic Procedures) >> Diagnostic Information And Procedures >> Interior Lighting >> Symptom: *COURTESY LAMPS INOPERATIVE-OVERHEAD LAMPS >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - COURTESY LAMPS INOPERATIVE-OVERHEAD LAMPS

TEST ACTION APPLICABILITY
1 Turn the ignition on.
Turn the Courtesy Lamps on.
Verify that the Courtesy Lamps are inoperative.
Do the Courtesy Lamps operate normally?
Yes --> The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 2		 All
2 Remove and inspect any inoperative courtesy lamp bulbs.
Are any of the inspected bulbs open or shorted?
Yes --> Replace the applicable open bulb.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 3		 All
3 Turn the ignition on.
Measure the voltage of the Courtesy Lamp Driver circuit to ground.
Is the voltage above 10.0 volts?
Yes --> Repair the Courtesy Lamps Driver circuit for an open condition.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Replace the Junction Block.
Perform BODY VERIFICATION TEST - VER 1  .		 All
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