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 |
Do the turn signal lamps and indicators operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are only the turn signal indicators in the instrument panel cluster (IPC) inoperative? | Go to Step 13 | Go to Step 4 |
4 | Are all turn signal lamps inoperative? | Go to Step 5 | Go to Step 10 |
5 | Place the hazard switch in the ON position. Do all hazard lamps operate properly? | Go to Step 6 | Go to Step 14 |
6 |
Do the left turn signal lamps illuminate? | Go to Step 7 | Go to Step 8 |
7 |
Do the right turn signal lamps illuminate? | Go to Step 9 | Go to Step 8 |
8 | Test for an open, high resistance, or short to battery voltage in the turn signal switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 19 | Go to Step 14 |
9 | Test the turn signal/multifunction switch ground circuit for an open, high resistance, or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 19 | Go to Step 12 |
10 | Test the inoperative turn signal lamp supply voltage circuit for an open, high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 19 | Go to Step 11 |
11 | Locate and repair an open, high resistance, or short to battery voltage in the ground circuit of the inoperative turn signal lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 19 | Go to Step 15 |
12 | Inspect for poor connections at the 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 19 | Go to Step 16 |
13 | 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 19 | Go to Step 17 |
14 | Inspect for poor connections at the harness connector of the body control module (BCM). 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 19 | Go to Step 18 |
15 | Replace the inoperative turn signal lamp. Refer to Headlamp, Fog Lamp, Turn Signal Lamp, Side Marker Lamp Replacement - Front and Tail Lamp, Turn Signal Lamp, High Mount Stop Lamp, License Lamp, Backup Lamp Replacement - Rear . Did you complete the repair? | Go to Step 19 | -- |
16 | 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 19 | -- |
17 | Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the repair? | Go to Step 19 | -- |
18 | 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 19 | -- |
19 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
