Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information | ||||||
2 |
Do the appropriate turn signal lamps and/or indicators illuminate for each action? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||
3 | Is only one turn signal lamp inoperative? | Go to Step 4 | Go to Step 7 | ||||||
4 | Is the inoperative lamp a turn signal indicator? | Go to Step 5 | Go to Step 6 | ||||||
5 |
Does the test lamp illuminate and flash. | Go to Step 15 | Go to Step 18 | ||||||
6 | Test the supply voltage and ground circuits of the inoperative lamp for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 14 | ||||||
7 | Is only one complete side inoperative, including front and rear turn signals and indicator? | Go to Step 8 | Go to Step 9 | ||||||
8 | Test the right or left turn signal lamp supply voltage circuit for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 16 | ||||||
9 | Are the turn signals inoperative while the hazard flashers operate properly? | Go to Step 10 | Go to Step 12 | ||||||
10 | Test the accessory voltage circuit of the hazard flasher switch for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 11 | ||||||
11 | Test the turn signal relay signal circuit for high resistance or an open between the turn signal switch and S200. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 16 | ||||||
12 | Test the turn signal relay signal circuit and the turn signal relay control circuit for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 13 | ||||||
13 | Test the ground circuit of the turn signal relay for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 17 | ||||||
14 | Inspect for poor connections at the harness connector of the inoperative lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 19 | ||||||
15 | Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 20 | ||||||
16 | Inspect for poor connections at the harness connector of the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 21 | ||||||
17 | Inspect for poor connections at the harness connector of the turn signal relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 22 | ||||||
18 | Repair the following in the inoperative turn signal supply voltage circuit:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- | ||||||
19 | Replace the inoperative lamp. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement or Tail Lamp Assembly and /or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement . Did you complete the replacement? | Go to Step 23 | -- | ||||||
20 | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 23 | -- | ||||||
21 | Replace the headlamp switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column. Did you complete the replacement? | Go to Step 23 | -- | ||||||
22 | Replace the turn signal relay. Did you complete the replacement? | Go to Step 23 | -- | ||||||
23 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||
