Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 | Verify that the headlamp leveling is inoperative. Does the headlamp leveling operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Inspect the IGN E fuse in the underhood fuse block. Is the fuse good? | -- | Go to Step 5 | Go to Step 4 |
4 | Disconnect all components on all circuits fed off of the IGN E fuse and test the circuit for a short to ground. Refer to Power Distribution Schematics and Circuit Testing in Wiring Systems. Was a problem found? | -- | Go to Step 5 | Go to Step 7 |
5 | Locate and repair the circuit shorted to ground. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 20 | -- |
6 | Test each component and replace the shorted component fed off of the IGN E fuse circuit causing the short to ground. Refer to Circuit Testing in Wiring Systems. Is the repair complete? | -- | Go to Step 20 | -- |
7 | With ignition switch in RUN, connect a test lamp from ground to terminal 3 of the headlamp leveling actuator connector (RH/LH). Refer to Circuit Testing in Wiring Systems. Does the lamp light? | -- | Go to Step 9 | Go to Step 8 |
8 | Locate and repair open circuit in CKT 639 (PNK) from headlamp leveling actuator to underhood fuse block. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 20 | -- |
9 | Connect a J 39200 Digital Multimeter (DMM) from ground to terminal 1 of the headlamp actuator connector (RH/LH) and check for continuity. Refer to Circuit Testing in Wiring Systems. Is there continuity? | -- | Go to Step 11 | Go to Step 10 |
10 | Locate and repair open circuit in CKT 350 (BLK) from headlamp actuator to G102 ground. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 20 | -- |
11 | Connect a DMM from ground to terminal 2 of the headlamp leveling actuator connector (RH/LH) and adjust the headlamp leveling switch from highest to lowest setting. Refer to Circuit Testing in Wiring Systems. Does the DMM indicate within the specified range? | 2.0 V-8.0 V | Go to Step 12 | Go to Step 13 |
12 | Replace headlamp leveling actuator (RH/LH) as applicable. Refer to Headlamp Motor/Actuator Replacement . Is the repair complete? | -- | Go to Step 20 | -- |
13 | Connect a J 39200 DMM from ground to terminal 31A of the headlamp leveling switch and check for continuity. Refer to Circuit Testing in Wiring Systems. Is there continuity? | -- | Go to Step 15 | Go to Step 14 |
14 | Locate and repair open in CKT 1850 from switch to G203 ground. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 20 | -- |
15 | Connect a test lamp from ground to terminal 56B of the headlamp leveling switch connector. Refer to Circuit Testing in Wiring Systems. Does the lamp light? | -- | Go to Step 17 | Go to Step 16 |
16 | Locate and repair the open in CKT 639 (PNK) between the switch and the underhood fuse block. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 20 | -- |
17 | Connect a test lamp from ground to terminal G of the headlamp leveling switch connector. Refer to Circuit Testing in Wiring Systems. Does the lamp light? | -- | Go to Step 19 | Go to Step 18 |
18 | Replace headlamp leveling switch. Refer to Headlamp Leveling Switch Replacement . Is the repair complete? | -- | Go to Step 20 | -- |
19 | Locate and repair the open in CKT 189 (DK GRN) between the switch and the headlamp leveling actuator (RH/LH). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 20 | -- |
20 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
