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 any of the turn signal illuminated? | Go to Step 4 | Go to Step 3 |
3 | Place the turn signal switch in the RH On position and LH On position. Do the turn signals operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 9 |
4 | Are the turn signal lamps flashing? | Go to Step 10 | Go to Step 5 |
5 | Are only the front turn signals illuminated? | Go to Step 6 | Go to Step 7 |
6 | Test for a short to battery positive voltage in the affected front turn signal supply voltage input circuit of the body control module (BCM). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 8 |
7 | Test for a short to battery positive voltage in the turn signal supply voltage circuit of the affected rear turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 10 |
8 | Test for a short to battery positive voltage in the affected turn signal switch signal circuit of the BCM. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 11 |
9 | Replace the hazard lamp/turn signal lamp flasher. Refer to Hazard and Turn Signal Flasher Replacement . Did you complete the replacement? | Go to Step 12 | -- |
10 | Replace the turn signal switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column. Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the repair? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
