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 |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 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 . 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 . 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
. 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
. 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
. 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
. 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
and Wiring Repairs
. 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
. 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
. 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
. Did you complete the repair? |
Go to Step 21 | - |
| 17 | Replace the turn signal/multifunction switch. Refer to Turn Signal Multifunction Switch Replacement
. Did you complete the replacement? |
Go to Step 21 | - |
| 18 | Replace the IPC. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 21 | - |
| 19 | Replace the IPM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 21 | - |
| 20 | Replace the RIM. Refer to Control Module References
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 |