Turn Signal Lamps and/or Indicators Inoperative
Turn Signal Lamps and/or Indicators Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Are only the turn signal indicators in the instrument panel cluster (IPC) inoperative? | Go to Step 15 | Go to Step 3 |
| 3 | Is only one turn signal lamp inoperative? | Go to Step 4 | Go to Step 5 |
| 4 | Test the inoperative turn signal lamp supply voltage circuit for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 16 |
| 5 |
|
Go to Step 12 | Go to Step 6 |
| 6 |
|
Go to Step 7 | Go to Step 8 |
| 7 |
|
Go to Step 9 | Go to Step 8 |
| 8 | Test the turn signal switch supply voltage circuit for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 10 |
| 9 | Test the turn signal/multifunction switch ground circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 11 |
| 10 | Inspect for poor connections at the C3 harness connector of the instrument panel module (IPM). 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 21 | Go to Step 19 |
| 11 | Inspect for poor connections at the C1 harness connector of the turn signal/multifunction 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 21 | Go to Step 17 |
| 12 | Test the ground circuits of the turn signal lamps for opens or high resistances. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 13 |
| 13 | Test the supply voltage circuits of the turn signal lamps for opens or high resistances. Refer to Circuit Testing
andWiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 14 |
| 14 | Inspect for poor connections at the harness connector of the RIM. 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 21 | Go to Step 20 |
| 15 | 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 21 | Go to Step 18 |
| 16 | Locate and repair an open or high resistance in the ground circuit of the inoperative turn signal lamp. Refer to Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 21 | - |
| 17 | Replace the turn signal/multifunction switch. Refer to Turn Signal Multifunction Switch Replacement
in Steering Wheel and Column. Did you complete the replacement? |
Go to Step 21 | - |
| 18 | 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 21 | - |
| 19 | Replace the IPM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 21 | - |
| 20 | Replace the RIM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 21 | - |
| 21 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |