Diagnosis Procedure - For USA
- CHECK HEADLAMP (HI) FUSES
- Turn the ignition switch OFF.
- Check that the following fuses are not open.
Unit
Location
Fuse No.
Capacity
Headlamp HI (LH)
IPDM E/R
35
10A
Headlamp HI (RH)
IPDM E/R
34
10A
Is the fuse open?
YES
Replace the fuse after repairing the affected circuit.
NO
GO TO 2.
- CHECK HIGH BEAM BULB
Check the applicable high 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 (HI) OUTPUT VOLTAGE
- Disconnect the front combination lamp connector E11 or E107.
- Turn the ignition switch ON.
- Turn the high beam headlamps ON.
- With the high beam headlamps ON, check the voltage between the front combination lamp connector and ground.
(+)
(-)
Voltage
(Approx.)
Connector
Terminal
LH
E11
1
Ground
Battery voltage
RH
E107
1
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 (HI) CIRCUIT FOR OPEN
- Turn the ignition switch OFF.
- Disconnect IPDM E/R connector E123.
- Check continuity between the IPDM E/R harness connector E123 and the front combination lamp LH harness connector E11.
Connector
Terminal
Connector
Terminal
Continuity
E123
55
E11
1
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 E102.
- Check continuity between the daytime running light relay 2 harness connector E102 and the front combination lamp RH harness connector E107.
Connector
Terminal
Connector
Terminal
Continuity
E102
5
E107
1
Yes
Does continuity exist?
YES
GO TO 6.
NO
Repair the harnesses or connectors.
- CHECK DAYTIME RUNNING LIGHT RELAY 2 VOLTAGE CIRCUIT
- With the high beam headlamps ON, check the voltage between the daytime running light relay 2 connector E102 and ground.
(+)
(-)
Voltage
(Approx.)
Connector
Terminal
E102
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 E102 and ground.
Connector
Terminal
--
Continuity
E102
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 connector E123.
- Check continuity between the daytime running light relay 2 harness connector E102 and the IPDM E/R connector E123.
Connector
Terminal
Connector
Terminal
Continuity
E102
1
E123
56
Yes
3
Does continuity exist?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Repair the harnesses or connectors.
- CHECK FRONT COMBINATION LAMP (HI) 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.