Step | Action | Value(s) | Yes | No | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||||||||||||||||||
2 | Verify that the DRL headlamps are inoperative. Do the DRL headlamps operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||||||||||||||
3 | Use the Scan Tool to inspect for the following related Body Control Module (BCM) Data/ Input parameters and Output controls. Refer to Scan Tool Data List in Body Control System for typical values and definitions.
Did you find and correct a problem? | -- | Go to Step 10 | Go to Step 4 | ||||||||||||||||||||
4 | Turn the headlamp switch to the HEAD position. Do the headlamps operate properly in the LO position? | -- | Go to Step 5 | |||||||||||||||||||||
5 | Turn the headlamp dimmer switch to the HI position. Do the headlamps operate properly in the HI position? | -- | Go to Step 6 | |||||||||||||||||||||
6 | If the vehicle is equipped with fog lamps turn the Fog Lamp switch to the ON position. Do the fog lamps operate properly? | -- | Go to Step 7 | |||||||||||||||||||||
7 |
Is continuity present? | -- | Go to Step 9 | Go to Step 8 | ||||||||||||||||||||
8 | Locate and repair the open or high resistance in CKT 592 (LT GRN/BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- | ||||||||||||||||||||
9 | Replace the DRL Relay. Is the repair complete? | -- | Go to Step 10 | -- | ||||||||||||||||||||
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
Step | Action | Value(s) | Yes | No | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||||||||||||||
2 | Verify that the DRL headlamps are inoperative. Do the DRL headlamps operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||||||||||
3 | Use the Scan Tool to inspect for the following related Body Control Module (BCM) Data/ Input parameters and Output controls. Refer to Scan Tool Data List in Body Control System for typical values and definitions.
Did you find and correct a problem? | -- | Go to Step 11 | Go to Step 4 | ||||||||||||||||
4 | Turn the headlamp switch to the HEAD position. Do the High beam headlamps operate properly? | -- | Go to Step 5 | |||||||||||||||||
5 | Inspect the IGN E 10A fuse in the Underhood Fuse Block. Is the fuse open? | -- | Go to Step 6 | Go to Step 8 | ||||||||||||||||
6 |
Is continuity present? | -- | Go to Step 7 | Go to Step 10 | ||||||||||||||||
7 | Repair the short to ground in CKT 639 (PNK) or the associated
components. Refer to
Wiring Repairs
in Wiring Systems and
Is the repair complete? | -- | Go to Step 11 | -- | ||||||||||||||||
8 | With the key in RUN, engine off, and the Headlamp Switch in the AUTO position, check for continuity to ground from terminal 1 at the DRL Relay connector in the Underhood Fuse Block. Refer to Circuit Testing in Wiring Systems. Is continuity present? | -- | Go to Step 10 | Go to Step 9 | ||||||||||||||||
9 | Locate and repair open in CKT 592 (LT GRN/BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 11 | -- | ||||||||||||||||
10 | Replace the DRL Relay. Is the repair complete? | -- | Go to Step 11 | -- | ||||||||||||||||
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
Step | Action | Value(s) | Yes | No | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||||||||||||||
2 | Verify that the DRL headlamps are inoperative. Do the DRL headlamps operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||||||||||
3 | Use the Scan Tool to inspect for the following related Body Control Module (BCM) Data/ Input parameters and Output controls. Refer to Scan Tool Data List in Body Control System for typical values and definitions.
Did you find and correct a problem? | -- | Go to Step 13 | Go to Step 4 | ||||||||||||||||
4 | Turn the headlamp switch to the HEAD position. Do the low beam headlamps operate properly? | -- | Go to Step 5 | |||||||||||||||||
5 |
Is the specified voltage present? | B+ | Go to Step 8 | Go to Step 6 | ||||||||||||||||
6 | Inspect for open, high resistance or short to ground in CKT 639 (PNK). Refer to Circuit Testing in Wiring Systems. Was a problem found? | -- | Go to Step 7 | Go to Step 11 | ||||||||||||||||
7 | Repair open, high resistance or short to ground in CKT 639 (PNK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
8 | With the Headlamp Switch in the AUTO position, use the J 39200 DMM to check for continuity to ground from terminal 1 at the DRL Relay connector. Refer to Circuit Testing in Wiring Systems. Is continuity present? | -- | Go to Step 10 | Go to Step 9 | ||||||||||||||||
9 | Locate and repair open or high resistance in CKT 592 (LT GRN/BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
10 |
Is continuity present? | -- | Go to Step 11 | Go to Step 12 | ||||||||||||||||
11 | Replace the DRL Relay. Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
12 | Locate and repair the open or high resistance in CKT 525 (YEL) between S202 and the DRL (ZR2) Relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
13 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |