Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
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 only one of the turn signal indicators inoperative? | Go to Step 5 | Go to Step 7 |
5 |
Does the test lamp illuminate and flash? | Go to Step 10 | Go to Step 18 |
6 |
Does the test lamp illuminate and flash? | Go to Step 19 | Go to Step 20 |
7 | Do the hazard lamps operate properly? | Go to Step 8 | Go to Hazard Lamps Inoperative |
8 |
Does the test lamp illuminate? | Go to Step 12 | Go to Step 9 |
9 | Test the turn signal flasher signal circuit for an open, high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 17 |
10 | Inspect the bulb of the inoperative turn signal indicator for an open filament. Did you find an inoperative bulb? | Go to Step 23 | Go to Step 11 |
11 | Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 24 | Go to Step 21 |
12 |
Is the resistance within specification? | Go to Step 13 | Go to Step 22 |
13 |
Does the test lamp illuminate and flash? | Go to Step 15 | Go to Step 14 |
14 | Test the headlamp switch voltage supply circuit for an open/high resistance or a short to ground. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 21 | -- |
15 | With the DMM test the headlamp switch turn signal circuits for less than 1.0 ohms between the headlamp switch voltage supply terminal and the left/right turn signal terminal with the turn signal switch in the proper position. Is the reading within specification? | Go to Step 16 | Go to Step 20 |
16 | Repair an open/high resistance or short to ground in the appropriate turn signal switch signal circuit. Did you complete the repair? | Go to Step 24 | -- |
17 | Inspect for poor connections at the harness connector of the hazard switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 24 | -- |
18 | 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 24 | -- |
19 | 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 24 | -- |
20 | 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 24 | -- |
21 | Replace the IPC. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 24 | -- |
22 | Replace the hazard switch. Did you complete the replacement? | Go to Step 24 | -- |
23 | Replace the inoperative turn signal indicator bulb. Refer to Instrument Cluster Bulb Replacement . Did you complete the replacement? | Go to Step 24 | -- |
24 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |