Diagnosis Procedure - For Canada
- CHECK HEADLAMP (LO) FUSES
- Turn the ignition switch OFF.
- Check that the following fuses are not open.
Unit
Location
Fuse No.
Capacity
Headlamp LO (LH)
IPDM E/R
40
15A
Headlamp LO (RH)
IPDM E/R
41
15A
Is the fuse open?
YES
Replace the fuse after repairing the affected circuit.
NO
GO TO 2.
- CHECK LOW BEAM BULB
Check the applicable low beam bulb to be sure the proper bulb standard is in use and the bulb is not open.
Is the bulb OK?
YES
GO TO 3.
NO
Replace the bulb.
- CHECK HEADLAMP (LO) OUTPUT VOLTAGE
- Turn the ignition switch OFF.
- Disconnect the front combination lamp connector E11 or E107.
- Turn the ignition switch ON.
- Turn the low beam headlamps ON.
- With the low beam headlamps ON, check the voltage between the front combination lamp connector and ground.
(+)
(-)
Voltage
(Approx.)
Connector
Terminal
LH
E11
4
Ground
Battery voltage
RH
E107
4
Is battery voltage present?
YES
GO TO 9.
NO
GO TO 4 (front combination lamp LH).
GO TO 5 (front combination lamp RH).
- CHECK HEADLAMP (LO) CIRCUIT FOR OPEN
- Turn the ignition switch OFF.
- Disconnect IPDM E/R connectors E123.
- Check continuity between the IPDM E/R harness connectors E123 and the front combination lamp harness connector E11.
Connector
Terminal
Connector
Terminal
Continuity
LH
E123
52
E11
4
Yes
Does continuity exist?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Repair the harnesses or connectors.
- CHECK DAYTIME RUNNING LIGHT RELAY 2 TO FRONT COMBINATION LAMP RH CIRCUIT FOR OPEN
- Disconnect daytime running light relay 2 connector E104.
- Check continuity between the daytime running light relay 2 harness connector E104 and the front combination lamp RH harness connector E107.
Connector
Terminal
Connector
Terminal
Continuity
E104
5
E107
4
Yes
Does continuity exist?
YES
GO TO 6.
NO
Repair the harnesses or connectors.
- CHECK DAYTIME RUNNING LIGHT RELAY 2 VOLTAGE CIRCUIT
- With the low beam headlamps ON, check the voltage between the daytime running light relay 2 connector E104 and ground.
(+)
(-)
Voltage
(Approx.)
Connector
Terminal
E104
1
Ground
Battery voltage
3
Is battery voltage present?
YES
GO TO 7.
NO
GO TO 8.
- CHECK DAYTIME RUNNING LIGHT RELAY 2 GROUND CIRCUIT
Check continuity between the daytime running light relay 2 harness connector E104 and ground.
Connector
Terminal
--
Continuity
E104
2
Ground
Yes
Does continuity exist?
YES
Replace daytime running light relay 2.
NO
Repair the harness or connector.
- CHECK IPDM E/R TO DAYTIME RUNNING LIGHT RELAY 2 CIRCUIT FOR OPEN
- Disconnect IPDM E/R connectors E121 or E123.
- Check continuity between the daytime running light relay 2 harness connector E104 and the IPDM E/R connector E121 or E123.
Connector
Terminal
Connector
Terminal
Continuity
E104
1, 3
E121
26 (with VQ40DE)
Yes
E123
54 (with VK56VD)
Does continuity exist?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Repair the harnesses or connectors.
- CHECK FRONT COMBINATION LAMP (LO) GROUND CIRCUIT
Check continuity between the front combination lamp harness connector and ground.
Connector
Terminal
--
Continuity
LH
E11
2
Ground
Yes
RH
E107
2
Does continuity exist?
YES
Replace malfunctioning lamp.
NO
Repair the harness or connector (front combination lamp LH).
GO TO 10 (front combination lamp RH).
- CHECK FRONT COMBINATION LAMP RH TO DAYTIME RUNNING LIGHT RELAY 1 GROUND CIRCUIT
- Disconnect daytime running light relay 1 connector E103.
- Check continuity between the daytime running light relay 1 harness connector E103 and the front combination lamp RH harness connector E107.
Connector
Terminal
Connector
Terminal
Continuity
E103
3
E107
2
Yes
Does continuity exist?
YES
GO TO 11.
NO
Repair the harnesses or connectors.
- CHECK DAYTIME RUNNING LIGHT RELAY 1 GROUND CIRCUIT
Check continuity between the daytime running light relay 1 harness connector E103 and ground.
Connector
Terminal
--
Continuity
E103
4
Ground
Yes
Does continuity exist?
YES
Replace daytime running light relay 1.
NO
Repair the harness or connector.