Step | Action | Yes | No |
|---|---|---|---|
1 | Did you review the DRL circuit description and perform the necessary inspections? | Go to Step 2 | Go to Headlights/Daytime Running Lights (DRL) Circuit Description |
2 | With the dimmer switch in LOW, turn on the headlamps and observe the headlamps. Did the headlamps illuminate at full intensity? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Did the headlamps illuminate at full intensity? | Go to Step 4 | Go to Step 10 |
4 | With the headlamp switch in HEAD, test the ground circuit at cavity 5 for continuity. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find the circuit continuous? | Go to Step 8 | Go to Step 5 |
5 |
Did you find the circuit continuous? | Go to Step 6 | Go to Step 12 |
6 | Test the headlamp switch ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find correct the condition? | Go to Step 16 | Go to Step 7 |
7 | Test the headlamp relay control circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find correct the condition? | Go to Step 16 | Go to Step 9 |
8 | Test the battery positive voltage circuit to the headlamp relay for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find correct the condition? | Go to Step 16 | Go to Step 9 |
9 | Replace the headlamp relay. Refer to Headlamp Relay Replacement. Did you complete the repair? | Go to Step 16 | -- |
10 | Test the ground circuit to the headlamp relay for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find correct the condition? | Go to Step 16 | Go to Step 11 |
11 |
Did you find the circuit continuous? | Go to Step 13 | Go to Step 12 |
12 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the repair? | Go to Step 16 | -- |
13 | Connect a 3 amp fused jumper from C216 cavity 13 to ground and observe the headlamps. Did the headlamps illuminate? | Go to Step 14 | Go to Step 15 |
14 | Test the low beam control circuit to the headlamp relay for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find correct the condition? | Go to Step 16 | -- |
15 | Test the low beam control circuit to the headlamp switch for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find correct the condition? | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
