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  |