Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |
2 | Do the turn signals operate properly? | Go to Step 3 | Go to Step 4 |
3 | Press the brake pedal. Does the high mount stop lamp operate properly? | Go to Step 8 | Go to Step 12 |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 6 |
5 | Connect a test lamp between the battery positive voltage (B+) circuit of the turn/hazard flasher module and the ground circuit of the turn/hazard flasher module. Does the test lamp illuminate? | Go to Step 9 | Go to Step 7 |
6 | Repair the battery positive voltage (B+) circuit of the turn/hazard flasher module. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete repair? | Go to Step 18 | -- |
7 | Repair the ground circuit of the turn/hazard flasher module. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete repair? | Go to Step 18 | -- |
8 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 10 |
9 | Inspect for poor connections at the turn/hazard flasher module. 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 18 | Go to Step 11 |
10 | Repair the stoplamp switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete repair? | Go to Step 18 | -- |
11 | Replace the turn/hazard flasher module. Refer to Hazard and Turn Signal Flasher Replacement . Did you complete replacement? | Go to Step 18 | -- |
12 | Probe the feed circuit of the stoplamp/automatic transmission shift lock control switch with a test lamp that is connected to a good ground. Does the test lamp illuminate? | Go to Step 13 | Go to Step 16 |
13 |
Does the test lamp illuminate? | Go to Step 17 | Go to Step 14 |
14 | Inspect for poor connections at the stoplamp/automatic transmission shift lock control 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 18 | Go to Step 15 |
15 | Replace the stoplamp/automatic transmission shift lock control switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Did you complete replacement? | Go to Step 18 | -- |
16 | Repair the stoplamp/automatic transmission shift lock control switch feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete repair? | Go to Step 18 | -- |
17 | Repair the stoplamp/automatic transmission shift lock control switch load circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete repair? | Go to Step 18 | -- |
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
