Step | Action | Value(s) | Yes | No | ||||
---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Diagnostic System Check? | -- | Go to Step 2 | |||||
2 | Is the Center High Mount Stop Lamp (CHMSL) inoperative? | -- | Go to Step 4 | Go to Step 3 | ||||
3 | Is the RH or LH stoplamp inoperative? | -- | Go to Step 9 | |||||
4 |
Does the test lamp light? | -- | Go to Step 5 | Go to Step 6 | ||||
5 | Using a DMM, test for continuity on CKT 1350 (BLK) cavity B to ground. Is there continuity? | -- | Go to Step 7 | Go to Step 8 | ||||
6 | Repair the open in CKT 17 (WHT) between the CHMSL and S200. Is the repair complete? | -- | Go to Step 18 | -- | ||||
7 | Replace the CHMSL. Refer to High Mount Stop Lamp Replacement . Is the repair complete? | -- | Go to Step 18 | -- | ||||
8 | Replace the open in CKT 1350 (BLK) between the CHMSL and S319. Is the repair complete? | -- | Go to Step 18 | -- | ||||
9 | Using a test light, back probe CKT 17 (WHT) connector C201 cavity A1 and the turn/hazard switch to ground. Does the test lamp light? | -- | Go to Step 11 | Go to Step 10 | ||||
10 | Repair open in CKT 17 (WHT) between turn/hazard switch and splice S200. Is the repair complete? | -- | Go to Step 18 | -- | ||||
11 | Using a test light, backprobe CKT 19 (DK GRN) cavity E6 and CKT 18 (YEL) cavity E7 at the turn/hazard switch to ground. Does the test lamp light on both circuits? | -- | Go to Step 13 | Go to Step 12 | ||||
12 | Replace the turn/hazard switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle . Is the repair complete? | -- | Go to Step 18 | -- | ||||
13 |
Does the test lamp light? | -- | Go to Step 14 | Go to Step 15 | ||||
14 | Using a DMM, check the following CKT's for continuity:
Is there continuity? | -- | Go to Step 16 | Go to Step 17 | ||||
15 | Repair open in CKT 19 (DK GRN) or CKT 18 (YEL) between the inoperative stoplamp and the turn/hazard switch. Is the repair complete? | -- | Go to Step 18 | -- | ||||
16 | Replace stoplamp. Refer to Tail Lamp Replacement . Is the repair complete? | -- | Go to Step 18 | -- | ||||
17 | Repair open in CKT 1450 (BLK) between the right side stoplamp to splice S403 or CKT 1350 (BLK) between the left side stoplamp to splice S319. Is the repair complete? | -- | 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 |
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Lighting Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 3 |
3 | Locate and repair open in CKT 17 (WHT) between connector and S400. Is the repair complete? | -- | Go to Step 7 | -- |
4 | Using a DMM test CKT 1350 or 1450 from inoperative stop lamp or CHMSL to ground. Is there continuity? | -- | Go to Step 5 | Go to Step 6 |
5 | Replace the inoperative lamp. Refer to High Mount Stop Lamp Replacement or Tail Lamp Replacement . Is the repair complete? | -- | Go to Step 7 | -- |
6 | Locate and repair open in CKT 1350 (BLK) or CKT 1450 (BLK) between inoperative stoplamp or CHMSL and S319 or S403. Is the repair complete? | -- | Go to Step 7 | -- |
7 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |