Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Headlights System Check performed? | -- | Go to Step 2 | Go to Headlight System Check |
2 |
Does the headlamp switch operate properly? | -- | Go to Step 3 | Go to Step 8 |
3 |
Is battery voltage measured? | -- | Go to Step 4 | Go to Step 11 |
4 | Connect a fused jumper between the headlamp relay connector terminals D3 (ORN) and C1 (LT BLU). Do the low beams turn on? | -- | Go to Step 5 | Go to Step 12 |
5 |
Is battery voltage measured? | -- | Go to Step 7 | Go to Step 6 |
6 | Inspect CKT 10 (YEL) for an open between the underhood relay center and the PZM. Refer to Testing for Continuity in Wiring Systems. Is CKT 10 OK? | -- | Go to Step 23 | Go to Step 20 |
7 | Replace the body control module (PZM). Refer to Body Control Module Replacement in Body Control Systems. Is the body control module replacement complete? | -- | Go to Headlight System Check | -- |
8 |
Is the IPC headlamp switch input on? | -- | Go to Step 9 | Go to Step 10 |
9 | Inspect CKT 151 (BLK/WHT) for an open between the headlamp switch and S216. Refer to Testing for Continuity in Wiring Systems. Is CKT 151 OK? | -- | Go to Step 21 | Go to Step 20 |
10 | Inspect CKT 10 (YEL) for an open between the instrument cluster (IPC) and the headlamp switch. Refer to Testing for Continuity in Wiring Systems. Is CKT 10 OK? | -- | Go to Step 19 | Go to Step 20 |
11 | Repair the open in CKT 340 (ORN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Headlight System Check | -- |
12 |
Is battery voltage measured? | -- | Go to Step 13 | Go to Step 17 |
13 |
Is battery voltage measured? | -- | Go to Step 14 | Go to Step 18 |
14 | Connect a fused jumper between the high/low beam headlamp relay connector terminal C9 (ORN/BLK) and terminal C8 (TAN). Do the low beams turn on? | -- | Go to Step 16 | Go to Step 22 |
15 | Replace the high/low beam headlamp relay. Is the high/low beam headlamp relay replacement complete? | -- | Go to Headlight System Check | -- |
16 | Inspect CKT 1346 (LT BLU) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 1346 OK? | -- | Go to Step 15 | Go to Step 20 |
17 | Repair the open in CKT 40 (ORN/BLK) between S305 and the underhood relay center. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Headlight System Check | -- |
18 | Inspect CKT 1969 (BLK/WHT) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 1969 OK? | -- | Go to Step 7 | Go to Step 20 |
19 | Replace the instrument cluster IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Is the IPC replacement complete? | -- | Go to Headlight System Check | -- |
20 | Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Headlight System Check | -- |
21 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Is the headlamp switch replacement complete? | -- | Go to Headlight System Check | -- |
22 | Inspect CKT 12 (TAN) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 12 OK? | -- | Go to Step 23 | Go to Step 20 |
23 | Inspect CKT 352 (WHT) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 352 OK? | -- | Go to Step 24 | Go to Step 20 |
24 | Replace the headlamp relay. Is the headlamp relay replacement complete? | -- | Go to Headlight System Check | -- |
