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 signal lamps operate properly? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 | ||||||
3 | Is only one of the turn signal lamps/indicators inoperative? | Go to Step 4 | Go to Step 5 | ||||||
4 |
Does the test lamp flash ON and OFF? | Go to Step 12 | Go to Step 8 | ||||||
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 14 | ||||||
6 | Connect a test lamp between the turn/hazard module supply voltage circuit of the turn/hazard flasher and the ground circuit of the turn signal/hazard flasher module. Does the test lamp illuminate? | Go to Step 7 | Go to Step 15 | ||||||
7 |
Do the left and right turn lamps illuminate with the proper switch position? | Go to Step 10 | Go to Step 9 | ||||||
8 | Test the turn signal lamps supply voltage circuit of the inoperative turn signal bulb for the following:
Refer to Circuit Testing and Wiring Repairs. Did you find and correct the condition? | Go to Step 19 | Go to Step 13 | ||||||
9 | Test the turn/hazard module signal circuit of the inoperative turn signal bulb for the following:
Refer to Circuit Testing and Wiring Repairs. Did you find and correct the condition? | Go to Step 19 | Go to Step 11 | ||||||
10 | Inspect for poor connections at the harness connector of the turn signal/hazard flasher module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs. Did you find and correct the condition? | Go to Step 19 | Go to Step 16 | ||||||
11 | Inspect for poor connections at the harness connector of 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 19 | Go to Step 17 | ||||||
12 | Inspect for poor connections at the inoperative turn signal bulb. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs. Did you find and correct the condition? | Go to Step 19 | Go to Step 18 | ||||||
13 | 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 19 | -- | ||||||
14 | Repair the following in the turn/hazard module supply voltage circuit of the turn signal/hazard flasher module:
Refer to Circuit Testing and Wiring Repairs. Did you complete the repair? | Go to Step 19 | -- | ||||||
15 | Repair an open or high resistance in the ground circuit of the turn signal/hazard flasher module. Refer to Circuit Testing and Wiring Repairs. Did you complete the repair? | Go to Step 19 | -- | ||||||
16 | Replace the turn signal/hazard flasher module. Refer to Hazard and Turn Signal Flasher Replacement. Did you complete the replacement? | Go to Step 19 | -- | ||||||
17 | Replace the turn signal switch. Refer to Turn Signal Multifunction Switch Replacement. Did you complete the replacement? | Go to Step 19 | -- | ||||||
18 | Replace the inoperative turn signal bulb. Did you complete the replacement? | Go to Step 19 | -- | ||||||
19 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |