Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Check the DRL Fuse. Is the fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 | Repair a short to ground in circuit 1239. Has the repair been made and the system rechecked? | -- | -- | |
3 | Check the HVAC fuse. Is the fuse open? | -- | Go to Step 4 | Go to Step 5 |
4 | Repair a short to ground in circuit 41. Has the repair been made? | -- | -- | |
5 | Check for any Diagnostic Trouble Codes (DTC's). Are there any DTC's present? | -- | Go to Step 6 | |
6 |
Do the front turn signal lamps turn on? | -- | Go to Step 19 | Go to Step 7 |
7 | Using a test light, backprobe between the DRL control module harness connector C2 terminal C and ground. Does the test light illuminate? | -- | Go to Step 9 | Go to Step 8 |
8 | Repair a poor connection or an open in circuit 1239. Has the repair been made? | -- | -- | |
9 | Using a test light, backprobe between the DRL control module harness connector C2 terminal F to ground. Does the test light illuminate? | -- | Go to Step 11 | Go to Step 10 |
10 | Repair a poor connection or an open in circuit 41 between S223 and the DRL control module harness connector C2 terminal F. Has the repair been made? | -- | -- | |
11 | Using a test light, backprobe between the DRL control module harness connector C2 terminal C and terminal A. Does the test light illuminate? | -- | Go to Step 13 | Go to Step 12 |
12 | Repair a poor connection or an open in circuit 1750 between the DRL control module and G201. Does the test light illuminate? | -- | -- | |
13 | Using a test light, backprobe between the DRL control module harness connector C2 terminal C and connector C1 terminal F. Does the test light illuminate? | -- | Go to Step 14 | Go to Step 12 |
14 | Using a test light, backprobe between B+ and the DRL control module harness connector C2 terminal E. Does the test light illuminate? | -- | Go to Step 15 | Go to Step 18 |
15 |
Does the test light illuminate? | -- | Go to Step 17 | Go to Step 16 |
16 | Adjust/replace the park indicator switch. Refer to Park Brake Cable Service/Adjustment . Has the repair been made? | -- | -- | |
17 | Repair a short to ground in circuit 1830. Has the repair been made and the system rechecked? | -- | -- | |
18 | Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Has the repair been made? | -- | -- | |
19 | Cover the DRL ambient light sensor. Do the low beam headlamps and the park lamps come on and the turn signal lamps go off? | -- | Go to Step 18 | Go to Step 20 |
20 | Disconnect the DRL ambient light sensor with a dark cloth. Do the low beam headlamps and the park lamps turn on? | -- | Go to Step 22 | Go to Step 21 |
21 | Using a DMM, check for continuity in circuit 1137 between the DRL ambient light sensor harness connector terminal B and the DRL module harness connector C2 terminal G. Is there continuity in circuit 1137? | -- | Go to Step 24 | Go to Step 23 |
22 | Replace the DRL ambient light sensor. Refer to Daytime Running Lamp (DRL) Ambient Light Sensor Replacement . Has the repair been made? | -- | -- | |
23 | Repair a poor connection or and open in circuit 1137. Has the repair been made? | -- | -- | |
24 | Using a DMM, check for continuity in circuit 1138 between the DRL ambient light sensor harness connector terminal A and the DRL module harness connector C2 terminal H. Is there continuity in circuit 1138? | -- | Go to Step 18 | Go to Step 25 |
25 | Repair a poor connection or an open in circuit 1138. Has the repair been made? | -- | -- |
