For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the entire DRL System Check performed? | -- | Go to Step 2 | Go to Daytime Running Lights (DRL) System Check
2 |

1. Disconnect the DRL module connector C1.
2. Connect a test light between terminal D of the DRL module connector and ground.

Does the test light illuminate?

--

Go to Step 3

Go to Step 4

3 | Connect a fused jumper between terminal F and terminal D of the DRL module connector C1. Do the headlamps turn on? |  | Go to Step 5 | Go to Step 6
4 | Inspect for an open in circuit 1372 between the headlamp switch and the DRL module. Does an open exist? |  | Go to Step 7 | Go to Step 8
5 | Replace the DRL module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Is the repair complete? |  | Go to Step 9 | --
6 | Repair the open in circuit 10 between the DRL module and S227. Is the repair complete? |  | Go to Step 9 | --
7 | Repair the poor connection or open in circuit 1372. Is the repair complete? |  | Go to Step 9 | --
8 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Is the repair complete? |  | Go to Step 9 | --
9 |

1. Turn the ignition switch to the OFF position.
2. Reconnect all connectors/components removed.

Have all repairs been made?

Go to Daytime Running Lights (DRL) System Check

--