Diagnosis Procedure

DAYTIME RUNNING LIGHT RELAY CIRCUIT


Diagnosis Procedure

1.CHECK DAYTIME RUNNING LIGHT RELAY FUSE
Check that the following fuse is not fusing.





Is the fuse fusing?
YES - Replace the fuse after repairing the applicable circuit.
NO - GO TO 2.
2.CHECK DAYTIME RUNNING LIGHT RELAY-1 POWER SUPPLY
1. Remove daytime running light relay-1.
2. Check voltage between daytime running light relay-1 harness connector and the ground.





Is the measurement value normal?
YES - GO TO 3.
NO - Repair harnesses or connectors.
3.CHECK DAYTIME RUNNING LIGHT RELAY-1
Check daytime running light relay-1. Component Inspection (1)
Is the daytime running light relay-1 normal?
YES - GO TO 4.
NO - Replace daytime running light relay-1.
4.CHECK DAYTIME RUNNING LIGHT RELAY-1 CONTROL SIGNAL OUTPUT
CONSULT-III ACTIVE TEST
1. Turn the ignition switch OFF.
2. Install daytime running light relay-1.
3. Turn the ignition switch ON.
4. Select "DAYTIME RUNNING LIGHT" of BCM (HEAD LAMP) active test item.
5. With operating the test item, check voltage between IPDM E/R harness connector and the ground.





Is the measurement value normal?
YES - Check daytime running light relay-1 circuit. Component Inspection (1).
Fixed at 0 V - GO TO 5.
Fixed at battery voltage -Replace IPDM E/R.
5.CHECK DAYTIME RUNNING LIGHT RELAY-1 CONTROL SIGNAL OPEN CIRCUIT
1. Remove daytime running light relay-1.
2. Disconnect IPDM E/R harness connector.
3. Check continuity between IPDM E/R harness connector and daytime running light relay-1 harness connector.





Does continuity exist?
YES - GO TO 6.
NO - Repair the harnesses or connectors.
6.CHECK DAYTIME RUNNING LIGHT RELAY- CONTROL SIGNAL SHORT CIRCUIT
Check continuity between IPDM E/R harness connector and the ground.





Does continuity exist?
YES - Repair the harnesses or connectors.
NO - Replace IPDM E/R.