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 the turn signals and indicators operating properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are all of the turn signals and indicators inoperative? | Go to Step 4 | Go to Step 5 |
4 | Press the hazard switch to the ON position. Do all of the hazard lamps operate? | Go to Step 6 | Go to Step 14 |
5 | Are only the instrument panel (I/P) turn signal indicators inoperative? | Go to Step 12 | Go to Step 8 |
6 |
Do the left turn signal lamps illuminate? | Go to Step 13 | Go to Step 7 |
7 | Test for an open, poor connection, or a short to battery positive voltage in the ground circuit of the turn signal switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 15 |
8 | Are only the hazard lamps inoperative? | Go to Hazard Lamps Inoperative | Go to Step 9 |
9 | Are both the front and rear turn signal lamps inoperative on one side? | Go to Step 10 | Go to Step 16 |
10 |
Do the turn signal lamps illuminate? | Go to Step 13 | Go to Step 11 |
11 | Test for a poor connection, an open, or a short to battery positive voltage in inoperative turn signal switch circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 21 | Go to Step 15 |
12 | Replace the instrument panel cluster (IPC). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 21 | -- |
13 | Replace the multifunction turn signal switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column. Is the replacement complete? | Go to Step 21 | -- |
14 | Test for a poor connection, an open, or a short to ground in the Turn/Hazard Fuse 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 21 | Go to Step 15 |
15 | 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 21 | -- |
16 |
Does the test lamp flash? | Go to Step 17 | Go to Step 19 |
17 | Using a test lamp connected to the turn signal supply voltage circuit, probe the turn signal lamp ground circuit. Does the test lamp flash? | Go to Step 20 | Go to Step 18 |
18 | Repair a poor connection, an open, or a short to battery positive voltage in the ground circuit of the turn signal lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 21 | -- |
19 | Test for a poor connection, an open, or a short to ground in the turn signal lamp voltage supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 21 | Go to Step 15 |
20 | Replace the inoperative turn signal lamp. Did you complete the repair? | Go to Step 21 | -- |
21 |
Do the turn signal lamps and indicators operate properly? | System OK | Go to Step 3 |
