Turn Signal Lamps and/or Indicators Inoperative
Turn Signal Lamps and/or Indicators Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Is only one turn signal lamp inoperative? | Go to Step 6 | Go to Step 4 |
| 4 | Is only one of the turn signal indicators inoperative? | Go to Step 5 | Go to Step 7 |
| 5 |
|
Go to Step 10 | Go to Step 14 |
| 6 |
|
Go to Step 15 | Go to Step 16 |
| 7 | Do the hazard lamps operate properly? | Go to Step 8 | Go to Hazard Lamps Inoperative |
| 8 |
|
Go to Step 12 | Go to Step 9 |
| 9 | Test the turn signal flasher signal circuit for an open, high resistance, or short to ground. Refer to Circuit Testing
andWiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 20 | Go to Step 13 |
| 10 | Inspect the bulb of the inoperative turn signal indicator. Replace if necessary. Did you find and correct the condition? |
Go to Step 20 | Go to Step 11 |
| 11 | Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 20 | Go to Step 17 |
| 12 | Inspect for poor connections at the harness connector of the headlamp/turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 20 | Go to Step 18 |
| 13 | Inspect for poor connections at the harness connector of the hazard switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 20 | Go to Step 19 |
| 14 | Repair an open, high resistance, or short to ground in the inoperative turn signal supply voltage circuit. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 20 | - |
| 15 | Repair an open or high resistance in the ground circuit of the inoperative lamp. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 20 | - |
| 16 | Repair an open, high resistance, or short to ground in the inoperative turn signal supply voltage circuit. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 20 | - |
| 17 | Replace the IPC. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? |
Go to Step 20 | - |
| 18 | Replace the headlamp/turn signal switch. Refer to Headlamp Switch Replacement . Did you complete the replacement? |
Go to Step 20 | - |
| 19 | Replace the hazard switch. Refer to Hazard Lamp Flasher Replacement . Did you complete the replacement? |
Go to Step 20 | - |
| 20 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |