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 |
|
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Are all of the turn signals and indicators inoperative? | Go to Step 5 | Go to Step 4 |
| 4 | Are only the turn signal indicators inoperative? | Go to Step 12 | Go to Step 7 |
| 5 |
|
Go to Step 6 | Go to Step 20 |
| 6 |
|
Go to Step 10 | Go to Step 21 |
| 7 |
|
Go to Step 19 | Go to Step 8 |
| 8 | Test the inoperative turn signal supply voltage circuit for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 9 |
| 9 | Test the inoperative turn signal ground circuit for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 10 |
| 10 |
|
Go to Step 11 | Go to Step 22 |
| 11 |
|
Go to Step 16 | Go to Step 13 |
| 12 |
|
Go to Step 18 | Go to Step 14 |
| 13 | Test the inoperative turn signal switch signal circuit for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 17 |
| 14 | Test the turn signal lamps supply voltage circuit for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 15 |
| 15 | Test the IPC ground circuit for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 16 |
| 16 | Inspect for poor connections at the harness connector of the turn signal/hazard flasher module. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 23 |
| 17 | Inspect for poor connections at the harness connector of the multifunction, turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 24 |
| 18 | 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 27 | Go to Step 25 |
| 19 | Inspect for poor connections at the inoperative turn signal bulb. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 27 | Go to Step 26 |
| 20 | Repair the open, high resistance or short to ground in the turn signal/hazard flasher module supply voltage circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 27 | - |
| 21 | Repair the open or high resistance in the turn signal/hazard flasher module ground circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 27 | - |
| 22 | Repair the open in the ignition 1 voltage circuit of the multifunction, turn signal switch. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 27 | - |
| 23 | Replace the turn signal/hazard flasher module. Refer to Hazard and Turn Signal Flasher Replacement
. Did you complete the replacement? |
Go to Step 27 | - |
| 24 | Replace the multifunction, turn signal switch. Refer to Turn Signal Multifunction Switch Replacement
. Did you complete the replacement? |
Go to Step 27 | - |
| 25 | Replace the IPC. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 27 | - |
| 26 | Replace the inoperative turn signal bulb. Refer to Park/Turn Signal Lamp Bulb Replacement
and Tail Lamp Replacement
. Did you complete the replacement? |
Go to Step 27 | - |
| 27 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |