Daytime Running Lamps (DRL) Headlamps Inoperative. Opel Sintra 1999

For 1990-2009 cars

## Daytime Running Lamps (DRL) Headlamps Inoperative Domestic

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Inspect the DRL fuse. Is the fuse open? | -- | Go to Step 2 | Go to Step 3
2 | Repair a short to ground in CKT 1839. Is the repair complete? | -- | Go to Exterior Lights System Check | --
3 | Inspect the HVAC/DRL fuse. Is the fuse open? | -- | Go to Step 4 | Go to Step 5
4 | Repair a short to ground in CKT 241. Is the repair complete? | -- | Go to Exterior Lights System Check | --
5 | Check for any diagnostic trouble codes (DTCs). Are there any DTCs present? | -- | Go to Diagnostic System Check - Body Control System | Go to Step 6

6

1. Turn the ignition to the RUN position.
2. Release the park brake.
3. Apply a bright light to the DRL ambient light sensor.

Do the front turn signal lamps light?

--

Go to Step 18

Go to Step 7

7 | Use a test lamp in order to backprobe between the DRL control module harness connector C2 terminal C and ground. Did the test lamp light? | -- | Go to Step 9 | Go to Step 8

8

Repair the following conditions in CKT 1839:

• | A faulty connection

• | An open circuit

Is the repair complete?

--

Go to Exterior Lights System Check

--

9 | Use a test lamp in order to backprobe between the DRL control module harness connector C2 terminal F and ground. Did the test lamp light? | -- | Go to Step 11 | Go to Step 10

10

Repair the following conditions in CKT 241 between S264 and the DRL control module harness connector C2 terminal F:

• | A faulty connection

• | An open circuit

Is the repair complete?

--

Go to Exterior Lights System Check

--

11 | Use a test lamp in order to backprobe between the DRL control module harness connector C2 terminal C and terminal A. Did the test lamp light? | -- | Go to Step 13 | Go to Step 12

12

Repair the following conditions in CKT 1450 between the DRL control module and G200:

• | A faulty connection

• | An open

Is the repair complete?

--

Go to Exterior Lights System Check

--

13 | Use a test lamp in order to backprobe between B+ and the DRL control module harness connector C2 terminal E. Did the test lamp light? | -- | Go to Step 14 | Go to Step 17

14

1. Disconnect the parking brake indicator switch.
2. Use a test lamp in order to backprobe between B+ and the DRL control module harness connector C2 terminal E.

Did the test lamp light?

--

Go to Step 16

Go to Step 15

15

1. Adjust or replace the parking brake indicator switch. Refer to Parking Brake Indicator Switch Replacement in Park Brake.
2. Inspect the system.

Is the repair complete?

--

Go to Exterior Lights System Check

--

16

1. Repair a short to ground in CKT 1134.
2. Inspect the system.

Is the repair complete?

--

Go to Exterior Lights System Check

--

17

1. Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement .
2. Inspect the system.

Is the repair complete?

--

Go to Exterior Lights System Check

--

18 | Cover the DRL ambient light sensor. Does the low beam headlamps and the park lamps turn on, and the turn signal lamps turn off? | -- | Go to Step 17 | Go to Step 19
19 | Disconnect the DRL ambient light sensor. Do the low beam headlamps and park lamps turn on? | -- | Go to Step 21 | Go to Step 20
20 | Use a digital multimeter (DMM) in order to verify continuity in CKT 1137 between the DRL ambient light sensor harness connector terminal B and the DRL control module harness connector C2 terminal G. Is there continuity in CKT 1137? | -- | Go to Step 23 | Go to Step 22
21 | Replace the DRL ambient light sensor. Refer to Daytime Running Lamp (DRL) Ambient Light Sensor Replacement . Is the repair complete? | -- | Go to Exterior Lights System Check | --

22

Repair the following conditions in CKT 1137:

• | A faulty connection

• | An open circuit

Is the repair complete?

--

Go to Exterior Lights System Check

--

23 | Use a DMM in order to verify continuity in CKT 1138 between the DRL ambient light senor harness connector terminal A and the DRL control module harness connector C2 terminal H. Is there continuity in CKT 1138? | -- | Go to Step 17 | Go to Step 24

24

Repair the following conditions in CKT 1138:

• | A faulty connection

• | An open circuit

Is the repair complete?

--

Go to Exterior Lights System Check

--

## Daytime Running Lamps (DRL) Headlamps Inoperative Export

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---

1

1. Turn the ignition switch to RUN.
2. Using a test lamp, backprobe the DRL control module connector C2 terminal F to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 2

2

Repair the following conditions in CKT 241:

• | an open

• | a poor connection

Has the repair been made and the system rechecked?

--

Go to Headlight System Check

--

3 | Using a test lamp, backprobe the DRL control module connector C2 terminal F to terminal B. Does the test lamp light? | -- | Go to Step 5 | Go to Step 4

4

Repair the following conditions in CKT 1450 between the DRL control module connector C2 terminal B and S230:

• | an open

• | a poor connection

Has the repair been made and the system rechecked?

--

Go to Headlight System Check

--

5 | Using a test lamp, backprobe the DRL control module connector C1 terminal D to terminal B. Does the test lamp light? | -- | Go to Step 7 | Go to Step 6

6

Repair the following conditions in CKT 2340:

• | an open

• | a poor connection

Has the repair been made and the system rechecked?

--

Go to Headlight System Check

--

7 | Start the engine, allow to idle. Is the LOW OIL Indicator ON? | -- | Go to Step 8 | Go to Step 9
8 | Inspect for a short to ground in CKT 31. If OK, replace the engine oil pressure indicator switch. Has the repair been made and the system rechecked? | -- | Go to Headlight System Check | --
9 | Using a test lamp, backprobe the DRL control module connector C1 terminal E to ground. Does the test lamp light? | -- | Go to Step 11 | Go to Step 10
10 | Replace the DRL control module. Has the repair been made and the system rechecked? | -- | Go to Headlight System Check | --

11

Repair the following conditions in CKT 12 between S261 and the DRL control module connector C1 terminal E:

• | an open

• | a poor connection

Has the repair been made and the system rechecked?

--

Go to Headlight System Check

--