Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics Connector End View Reference: Lighting Systems Connector End Views or Computer/Integrating Systems Connector End Views in Computer/Integrating Systems | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Do the daytime running lamps (DRL) headlamps operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Do you hear a click when you command the DRL relay ON and OFF? | Go to Step 6 | Go to Step 4 |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 14 |
5 |
Does the test lamp turn ON and OFF with each command? | Go to Step 11 | Go to Step 10 |
6 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 15 |
7 | Connect a 15-amp fused jumper between the battery positive voltage circuit of the DRL relay switch and the DRL supply voltage circuit. Do the DRL headlamps illuminate? | Go to Step 11 | Go to Step 8 |
8 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 16 |
9 |
Do the DRL headlamps illuminate? | Go to Step 13 | Go to Step 17 |
10 | Test for an open or high resistance in the control circuit of the DRL relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 21 | Go to Step 12 |
11 | Inspect for poor connections at the DRL relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 21 | Go to Step 19 |
12 | Inspect for poor connections at the DIM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 21 | Go to Step 20 |
13 | Inspect for poor connections at the DRL resistor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 21 | Go to Step 18 |
14 | Repair an open or high resistance in the battery positive voltage circuit of the DRL relay coil. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 21 | -- |
15 | Repair an open or high resistance in the battery positive voltage circuit of the DRL relay switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 21 | -- |
16 | Repair the open in the supply voltage circuit of the DRL resistor. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 21 | -- |
17 | Repair the open or high resistance in the signal circuit of the DRL resistor . Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 21 | -- |
18 | Replace the DRL resistor. Did you complete the replacement? | Go to Step 21 | -- |
19 | Replace the DRL relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 21 | -- |
20 | Replace the DIM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 21 | -- |
21 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |