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 | |
2 |
Are the turn signals and indicators operating properly? | 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 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 . 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 . 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 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 . Is the replacement complete? | Go to Step 21 | -- |
14 | Test for a poor connection, an open, or a short to ground in the LT and RT T/SIG fuse circuit of the body control module (BCM). Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 15 |
15 | Replace the BCM. Refer to Control Module References 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 . 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 . 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 |