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Turn Signal Lamps

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
TURN SIGNAL LAMP DIAGNOSIS

CONDITION  POSSIBLE CAUSES  CORRECTION 
ONE TURN SIGNAL LAMP DOES NOT ILLUMINATE 1. Ineffective or missing bulb. 1. Test and replace turn signal bulb as required.
2. Ineffective ground circuit. 2. Test and repair open ground circuit as required.
3. Ineffective feed circuit. 3. Test and repair open right or left turn signal feed circuit as required.
4. Ineffective TIPM inputs or outputs. 4. Use a diagnostic scan tool to test the TIPM inputs and outputs as required. Refer to the appropriate diagnostic information.
5. Ineffective CCN inputs or outputs. 5. Use a diagnostic scan tool to test the TIPM inputs and outputs as required. Refer to the appropriate diagnostic information.
6. Ineffective SCCM inputs or outputs. 6. Use diagnostic scan tool to diagnose LIN data bus. Refer to the appropriate diagnostic information. Check CCN for DTC's.
ALL RIGHT SIDE AND/OR ALL LEFT SIDE TURN SIGNAL LAMPS DO NOT FLASH 1. Ineffective switch. 1. Test and replace left multi-function switch or SCCM as required.
2. Ineffective feed circuit. 2. Test and repair open right or left turn signal feed circuit as required.
3. Ineffective CCN inputs or outputs. 3. Use a diagnostic scan tool to test the CCN inputs and outputs as required. Refer to the appropriate diagnostic information.
4. Ineffective TIPM inputs or outputs. 4. Use a diagnostic scan tool to test the TIPM inputs and outputs as required. Refer to the appropriate diagnostic information.
ALL RIGHT SIDE OR ALL LEFT SIDE TURN SIGNALS FLASH TOO RAPIDLY (MORE THAN 100 FLASHES PER MINUTE) 1. Ineffective or missing bulb. 1. Test and replace faulty bulb as required.
2. Ineffective ground circuit. 2. Test and repair open ground circuit as required.
3. Ineffective feed circuit. 3. Test and repair open right or left turn signal feed circuit as required.