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CONDITION POSSIBLE CAUSES CORRECTION BRAKE LAMP DOES NOT 1. Ineffective feed circuit. 1. Test and repair shorted brake lamp 2. Ineffective switch. 2. Test and replace brake lamp switch as DAYTIME RUNNING LAMPS NOTE: Before performing the following tests, determine whether the headlamp low and high beams operate. CONDITION POSSIBLE CAUSES CORRECTION DAYTIME RUNNING LAMPS 1. Incorrect TIPM programming. 1. Use a diagnostic scan tool to check and 2. Ineffective TIPM inputs or 2. Use a diagnostic scan tool to test the FRONT FOG LAMPS CONDITION POSSIBLE CAUSES CORRECTION FRONT FOG LAMP DOES NOT 1. Ineffective or missing bulb. 1. Test and replace front fog lamp bulb as 2. Ineffective ground circuit. 2. Test and repair front fog lamp ground 3. Ineffective feed circuit. 3. Test and repair open front fog lamp feed 4. Ineffective switch. 4. Test and replace headlamp switch as 5. Ineffective instrument cluster 5. Use a diagnostic scan tool to test the 6. Ineffective TIPM inputs or 6. Use a diagnostic scan tool to test the 7. Ineffective CCN inputs or 7. Use a diagnostic scan tool to test the 7. Ineffective SCCM outputs. Use diagnostic scan tool to diagnose LIN PM LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION 8L - 73 |