Headlamps Inoperative - Low Beams. Chevrolet Metro 1999

For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Daytime Running Lamp (DRL) System Check? | -- | Go to Step 2 | Go to Daytime Running Lights (DRL) System Check

2

1. Turn the ignition switch to the ON position.
2. Turn the light switch to the OFF position.
3. Backprobe the DRL control module using a J 39200 from cavity 5 to ground.
4. Measure the voltage.

Is the measured voltage greater than the specified range?

B+

Go to Step 3

Go to Step 4

3

1. Backprobe the DRL control module connector using a J 39200 from cavity 7 to B+.
2. Measure the voltage.

Is the measured voltage greater than the specified range?

B+

Go to Step 5

Go to Step 6

4 | Repair the open in the BLK/WHT wire that is between the junction block and the DRL control module. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Daytime Running Lights (DRL) System Check | --

5

1. Disengage the parking brake.
2. Backprobe the DRL control module using a J 39200 from cavity 3 to B+.
3. Measure the voltage.

Is the measured voltage greater than the specified range?

B+

Go to Step 7

Go to Step 8

6 | Repair the open in the BLK wire the DRL control module and G 201. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Daytime Running Lights (DRL) System Check | --

7

1. Start the engine.
2. Backprobe the DRL control module connector using a J 39200 from cavity 4 to ground.
3. Measure the voltage.

Is the measured voltage greater than or equal to the specified value?

B+

Go to Step 10

Go to Charging System Check in Engine Electrical

8 | Inspect for a short to ground in the PPL or in the RED/YEL wire between the DRL control module and the parking-brake switch. Is the connection OK? | -- | Go to Step 9 | Go to Step 12
9 | Replace the parking brake. Refer to Park Brake Lever Assembly Replacement in Park Brake. Is the repair complete? | -- | Go to Daytime Running Lights (DRL) System Check | --
10 | Inspect for an open in the RED/WHT wire that is between the DRL control module and S 104. Is the connection OK? | -- | Go to Step 11 | Go to Step 12
11 | Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Is the repair complete? | -- | Go to Daytime Running Lights (DRL) System Check | --
12 | Repair the wire. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Daytime Running Lights (DRL) System Check | --