Step | Action | Yes | No | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Displays and Gages Connector End Views | |||||||||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |||||||||||||||
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 | 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 1 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.
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 10 | Go to Step 9 | ||||||||||||||
8 | Inspect for poor connections at the instrument panel cluster (IPC). Refer to Circuit Testing and Wiring Repairs. 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. 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. Did you find and correct the condition? | Go to Step 15 | Go to Step 14 | ||||||||||||||
11 | Replace the IPC. Refer to Control Module References 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. Did you complete the replacement? | Go to Step 15 | -- | ||||||||||||||
14 | Replace the hazard/turn flasher. Refer Hazard and Turn Signal Flasher Replacement . Did you complete the replacement? | 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 | ||||||||||||||
