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DTC B2615 > < DTC B3881 or B3882

Astra J

Daytime Running Lamps Malfunction

Diagnostic Instructions

•  Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
•  Review Strategy Based Diagnosis for an overview of the diagnostic approach.
•  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Diagnostic Fault Information



Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance

Left Daytime Running Lamp Relay Control
B260B 02*
B260B 04**
1
-

Right Daytime Running Lamp Relay Control
B260C 02*
B260C 04**
1
-

Left Daytime Running Lamp Control
1
1
2
-

Right Daytime Running Lamp Control
1
1
2
-

1. Daytime Running Lamps (DRL) inoperative

2. Daytime Running Lamps (DRL) always ON

* Daytime Running Lamps (DRL) inoperative

** Daytime Running Lamps (DRL) always ON
 

Circuit/System Description

Daytime Running Lamps (DRL) Without High Intensity Discharge (HID) Headlamps RPO T4A

The body control module (BCM) receives a signal from the rain sensor indicating a low or high ambient outside light level. The rain sensor contains the light sensor. Under daylight conditions the BCM grounds the daytime running lamps relay control circuit energizing the daytime running lamp relay left and daytime running lamp relay right. The now closed relay supplies voltage to the day time running lamps. If the headlamps are illuminated the DRL will not illuminate.

Daytime Running Lamps (DRL) With High Intensity Discharge (HID) Headlamps RPO T4F/T95

The BCM receives a signal from the rain sensor indicating a low or high ambient outside light level. The rain sensor contains the light sensor. Under daylight conditions the BCM supplies a battery voltage to the DRL.

Reference Information


Schematic Reference

Headlights/Daytime Running Lights (DRL) Schematics


Connector End View Reference

Component Connector End Views


Description and Operation

Exterior Lighting Systems Description and Operation


Electrical Information Reference


Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

Supply sufficient light to the rain sensor to simulate daylight conditions. With engine running the daytime running lamps should illuminate.

Circuit/System Testing

DRL Malfunction - without HID headlamps RPO T4A

1. Supply sufficient light to the rain sensor to simulate daylight conditions.
2. Ignition ON, headlamp switch in the AUTOMATIC LIGHT position.
3. Engine running, observe the headlamps. After a few seconds the low beams should be switched OFF and the daytime running lamps should be illuminated.
⇒ If the low beams are illuminated, replace the B117 Rain Sensor.
4. Ignition OFF, disconnect the appropriate daytime running lamp relay.
5. Ignition ON, verify that a test lamp does not illuminate between the control circuit terminal 87 and ground.
⇒ If the test lamp illuminates, test the control circuit for a short to voltage.
6. Verify that a test lamp illuminates between the B+ circuit terminal 86 and ground.
⇒ If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. If the circuit tests normal and the B+ circuit fuse is open, test the control circuit for a short to ground. If the circuit tests normal, test or replace the appropriate inoperative Daytime Running Lamp Relay.
7. Headlamp switch in HEADLIGHTS position. Verify that a test lamp illuminates between the B+ circuit terminal 30 and ground.
⇒ If the test lamp does not illuminate, test the B+ circuit for an open/high resistance.
8. Connect a test lamp between the B+ circuit terminal 86 and the control circuit terminal 85.
9. Command the appropriate Daytime Running Lamp test ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between the commanded states.
⇒ If the test lamp is always ON, test the control circuit for a short to ground. If the circuit tests normal, replace the K9 Body Control Module.
⇒ If the test lamp is always OFF, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
10. Ignition OFF, disconnect the harness connector at the appropriate headlamp.
11. Connect a 10 A fused jumper wire between the B+ circuit terminal 30 and the control circuit terminal 87.
12. Ignition ON, verify that a test lamp illuminates between the control circuit terminal 9 of the appropriate headlamp and ground.
⇒ If the test lamp does not illuminate, test the control circuit for a short to ground or an open/high resistance.
13. Ignition OFF, disconnect the negative terminal of the C1 Battery.
14. Test for less than 5 Ω between the appropriate headlamp ground circuit harness connector terminal 1 and ground.
⇒ If greater than the specified value, test the ground circuit for an open/high resistance.
15. Reconnect the negative terminal to the C1 Battery.
16. If all circuits test normal, test or replace the appropriate inoperative daytime running lamp or relay.

DRL Malfunction - with HID Headlamps RPO T95/T4F

1. Engine running idle.
2. Headlamp switch in the AUTOMATIC LIGHT position.
3. Supply sufficient light to the rain sensor to simulate daylight conditions.
4. Observe the headlamps. After a few seconds the low beams should be switched OFF and the daytime running lamps should be illuminated.
⇒ If the low beams are illuminated, replace the B117 Rain Sensor.
5. Ignition OFF, disconnect the harness connector of the appropriate inoperative headlamp.
6. Disconnect the negative terminal of the C1 Battery.
7. Test for less than 5 Ω between the appropriate headlamp ground circuit harness connector terminal 1 and ground.
⇒ If greater than the specified value, test the ground circuit for an open/high resistance.
8. Reconnect the negative terminal to the C1 Battery.
9. Connect a test lamp between the control circuit terminal 4 and ground.
10. Command the appropriate Front Park Lamp/Daytime Running Lamp test ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between the commanded states.
⇒ If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the K9 Body Control Module.
⇒ If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
11. If all circuits test normal, test or replace the appropriate inoperative daytime running lamp.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

•  Control Module References for BCM replacement, setup, and programming

DTC B2615 > < DTC B3881 or B3882