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 appropriate turn signal lamps and/or indicators illuminate for each action? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Is only one turn signal lamp inoperative? | Go to Step 6 | Go to Step 4 |
4 | Is one or both of the turn signal indicators inoperative? | Go to Step 5 | Go to Step 7 |
5 |
Does the appropriate turn signal indicator illuminate and flash? | Go to Step 13 | Go to Step 11 |
6 |
Does the test lamp illuminate and flash? | Go to Step 14 | Go to Step 15 |
7 | Do the hazard lamps operate properly? | Go to Step 8 | Go to Hazard Lamps Inoperative |
8 |
Do the left turn lamps illuminate and flash? | Go to Step 9 | Go to Step 10 |
9 | Connect the 3-amp fused jumper wire between the left turn signal switch signal circuit of the turn signal/multifunction switch and the ground circuit of the turn signal/multifunction switch. Do the left turn lamps illuminate and flash? | Go to Step 12 | Go to Step 16 |
10 | Test the left turn signal switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 20 | Go to Step 13 |
11 | Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 20 | Go to Step 17 |
12 | Inspect for poor connections at the harness connector of the turn/headlamp/wiper switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 20 | Go to Step 18 |
13 | 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 . Did you find and correct the condition? | Go to Step 20 | -- |
14 | Repair an open or high resistance in the ground circuit of the inoperative lamp. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 20 | -- |
15 | Repair an open, high resistance, or short to ground in the inoperative turn signal supply voltage circuit. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 20 | -- |
16 | Repair an open or high resistance in the ground circuit of the turn signal/multifunction switch. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 20 | -- |
17 | Replace the IPC. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 20 | -- |
18 | Replace the turn signal/multifunction switch. Refer to Turn Signal Multifunction Switch Replacement . Did you complete the replacement? | Go to Step 20 | -- |
19 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 20 | -- |
20 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
