Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Do the turn signals operate properly? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Are all of the turn signal lamps and indicators inoperative? | Go to Step 5 | Go to Step 4 |
4 | Are only the turn signal indicators inoperative? | Go to Step 16 | Go to Step 9 |
5 | Check the TURN SIGNALS CORN LPS fuse for an open. Is the TURN SIGNALS CORN LPS fuse open? | Go to Step 25 | Go to Step 6 |
6 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 27 |
7 | Connect a test lamp between the ignition 1 positive supply voltage circuit of the hazard switch and the ground circuit of the hazard switch . Does the test lamp illuminate? | Go to Step 8 | Go to Step 23 |
8 |
Do the turn signal lamps illuminate? | Go to Step 17 | Go to Step 15 |
9 | Is a front turn signal inoperative? | Go to Step 10 | Go to Step 13 |
10 |
Does the test lamp flash ON and OFF? | Go to Step 14 | Go to Step 11 |
11 |
Does the test lamp flash ON and OFF? | Go to Step 12 | Go to Step 22 |
12 | Test for an open or for a high resistance in the supply voltage circuit of the inoperative front turn signal lamp. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 34 | Go to Step 21 |
13 |
Does the test lamp flash ON and OFF? | Go to Step 14 | Go to Step 28 |
14 | Connect a test lamp between the ground circuit of the inoperative turn signal lamp and supply voltage circuit of the inoperative turn signal lamp. Does the test lamp illuminate? | Go to Step 20 | Go to Step 26 |
15 | Test for an open or high resistance in the turn signal flasher signal circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 34 | Go to Step 18 |
16 |
Does the test lamp flash ON and OFF? | Go to Step 19 | 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 34 | Go to Step 30 |
18 | Inspect for poor connections at the turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 34 | Go to Step 29 |
19 | Inspect for poor connections at 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 34 | Go to Step 31 |
20 | Inspect for poor connections at the inoperative turn signal lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 34 | Go to Step 32 |
21 | Inspect for poor connections at the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 34 | Go to Step 33 |
22 | Repair the open or the high resistance in the front turn signal switch signal circuit of the BCM. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 34 | -- |
23 | Repair the open or high resistance in the ground circuit of the hazard switch. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 34 | -- |
24 | Repair an open or high resistance in the supply voltage circuit of the inoperative turn signal indicator. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 34 | -- |
25 | Repair the short to ground in the ignition 1 voltage circuit or the turn signal supply voltage circuit. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 34 | -- |
26 | Repair the open or high resistance in the ground circuit of the inoperative signal turn lamp. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 34 | -- |
27 | Repair the open or high resistance in the ignition 1 voltage circuit of the hazard switch. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 34 | -- |
28 | Repair the open or high resistance in the supply voltage circuit of the inoperative turn signal lamp. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 34 | -- |
29 | Replace the turn signal switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle . Did you complete the replacement? | Go to Step 34 | -- |
30 | Replace the hazard switch. Refer to Hazard Warning Switch Replacement . Did you complete the replacement? | Go to Step 34 | -- |
31 | Replace the instrument panel cluster (IPC). Refer to Instrument Cluster Replacement . Did you complete the repair? | Go to Step 34 | -- |
32 | Replace the inoperative turn signal 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 34 | -- |
33 |
Important: Preform the set up procedures for the body control module (BCM) . Refer to Body Control Module (BCM) Programming/RPO Configuration . Replace the BCM. Refer to Body Control Module Replacement . Did you complete the replacement? | Go to Step 34 | -- |
34 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
