Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK DAYTIME RUNNING LIGHT RELAY VOLTAGE SUPPLY
- Turn the ignition switch OFF.
- Disconnect the daytime running light relay harness connector E4.
- Turn the ignition switch ON.
- Check the voltage between the following daytime running light relay harness connector E4 terminals and ground.
(+) (-) Voltage Connector Terminal E4 2 Ground Battery voltage 5 7
Is the inspection results normal?
YES
GO TO STEP 3 .
NO
GO TO STEP 2 .
- CHECK DAYTIME RUNNING LIGHT RELAY CIRCUIT
- Turn the ignition switch OFF.
- Disconnect IPDM E/R harness connector E121.
- Check continuity between the IPDM E/R harness connector E121 and the daytime running light relay harness connector E4.
Daytime running light relay IPDM E/R Continuity Connector Terminal Connector Terminal E4 2 E121 14 Yes 5 7 - Check continuity between the IPDM E/R harness connector E121 and ground.
Connector Terminal (-) Continuity E121 14 Ground No
Is the inspection results normal?
YES
Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace the harnesses or connectors.
- CHECK DAYTIME RUNNING LAMP RELAY COIL CIRCUIT
- Check continuity between the IPDM E/R harness connector E218 and daytime running light relay harness connector E4.
IPDM E/R Daytime running light relay Continuity Connector Terminal Connector Terminal E218 85 E4 1 Yes - Check continuity between the IPDM E/R harness connector E218 and ground.
Connector Terminal Ground Continuity E218 85 No
Does continuity exist?
YES
GO TO 4.
NO
Repair or replace the harnesses or connectors.
- Check continuity between the IPDM E/R harness connector E218 and daytime running light relay harness connector E4.
- CHECK DAYTIME RUNNING LIGHT RELAY
Check the daytime running light relay. Refer to COMPONENT INSPECTION .
Is the inspection results normal?
YES
GO TO 5.
NO
Replace relay.
- CHECK DAYTIME RUNNING LAMP CIRCUIT FOR OPEN
- Turn the ignition switch OFF.
- Disconnect the front combination lamp harness connector E234 or E239 in question.
- Check continuity between the daytime running light relay harness connector E4 and the front combination lamp harness connector E234 or E239.
Front combination lamp Daytime running light relay Continuity Connector Terminal Connector Terminal LH E234 7 E4 6 Yes RH E239 3
Is the inspection results normal?
YES
GO TO 6.
NO
Repair or replace the harnesses or connectors.
- CHECK DAYTIME RUNNING LAMP GROUND CIRCUIT FOR OPEN
- Turn the ignition switch OFF.
- Disconnect front combination lamp harness connector E234 or E239 in question.
- Check continuity between the front combination lamp harness connector E234 or E239 terminal 3 and ground.
Connector Terminal (-) Continuity LH E234 3 Ground Yes RH E239
Does continuity exist?
YES
Inspection End.
NO
Repair or replace the harnesses or connectors.