Step | Action | Yes | No | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console or Power Door Systems Connector End Views in Doors | |||||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information | ||||||||||
2 | Verify that the turn signal lamps and/or indicators are always ON or flashing. Do the turn signal lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||||
3 | Are only the turn signal indicators in the instrument panel cluster (IPC) always on or flashing? | Go to Step 8 | Go to Step 4 | ||||||||||
4 | Are only the turn signal lamps on one side of the vehicle always on or flashing? | Go to Step 5 | Go to Step 7 | ||||||||||
5 | Inspect the affected bulb/socket for an internal short, poor terminal contact, or a shorted filament. Was a problem found? | Go to Step 12 | Go to Step 6 | ||||||||||
6 | Test the following circuits of the affected lamps for a short to voltage:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 7 | ||||||||||
7 | Disconnect the multifunction turn signal switch. Do the affected turn signals and indicators still illuminate? | Go to Step 11 | Go to Step 9 | ||||||||||
8 | Inspect for poor connections at the IPC. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 11 | ||||||||||
9 | Inspect for poor connections at the multifunction turn signal switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 13 | ||||||||||
10 | Inspect for poor connections at the turn/hazard flasher. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 14 | ||||||||||
11 | Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the repair? | Go to Step 15 | -- | ||||||||||
12 | Replace or repair the affected bulb/socket. Did you complete the repair? | Go to Step 15 | -- | ||||||||||
13 | Replace the multifunction turn signal switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column. Did you complete the repair? | Go to Step 15 | -- | ||||||||||
14 | Replace the hazard/turn flasher. Refer Hazard and Turn Signal Flasher Replacement . Did you complete the repair? | Go to Step 15 | -- | ||||||||||
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||||||
