If only the right front turn signal is inoperative check for an open CTSY fuse in the I/P fuse block. If the fuse is open refer to Courtesy Lamps 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 | |||||
2 |
Do the turn signals and indicators operating properly? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 | ||||
3 | Is only one lamp inoperative? | Go to Step 4 | Go to Step 6 | ||||
4 | Place a test lamp between the supply voltage and ground circuits at the inoperative lamp socket or connector. Does the test lamp illuminate when the turn signal is activated? | Go to Step 14 | Go to Step 5 | ||||
5 | Test for an open or high resistance in the supply voltage circuit or ground circuit of the inoperative lamp. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 10 | ||||
6 | With a scan tool, activate each turn signal with the body control module (BCM) output control function. Do all lamps operate correctly? | Go to Step 8 | Go to Step 7 | ||||
7 | Are only the instrument panel (I/P) turn signal indicators inoperative? | Go to Step 11 | Go to Step 9 | ||||
8 | Test for one of the following conditions. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition? | Go to Step 15 | Go to Step 12 | ||||
9 | Test for a short to ground in the supply voltage circuits of the inoperable lamps. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 10 | ||||
10 | Test for a poor connection at the harness connector at the BCM, driver door switch, or passenger door switch as applicable. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 13 | ||||
11 | Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 15 | -- | ||||
12 | Replace the multifunction turn signal switch. Refer to Turn Signal Multifunction Switch Replacement . Is the replacement complete? | Go to Step 15 | -- | ||||
13 | Replace the BCM, driver door switch, or passenger door switch as applicable. Refer to Control Module References for replacement, setup, and programming. Did you complete the repair? | Go to Step 15 | -- | ||||
14 | Replace the inoperative turn signal lamp. Refer to the appropriate replacement procedure. Did you complete the repair? | Go to Step 15 | -- | ||||
15 |
Do the turn signal lamps and indicators operate properly? | System OK | Go to Step 3 |