Diagnosis Procedure
- CHECK DAYTIME RUNNING LIGHT RELAY FUSE
- Turn ignition switch OFF.
- Check that the following fuse is not blown:
Unit
Fuse No.
Capacity
Daytime running light relay
50
10A
Is the inspection result normal?
YES
GO TO 2
NO
Replace the blown fuse after repairing the affected circuit.
- CHECK DAYTIME RUNNING LIGHT RELAY POWER SUPPLY
- Remove daytime running light relay.
- Check voltage between daytime running light relay harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Daytime running light relay
Connector
Terminal
E222
2
Ground
Battery voltage
5
Is the inspection result normal?
YES
GO TO 3
NO
Repair or replace harness.
- CHECK DAYTIME RUNNING LIGHT RELAY
Check daytime running light relay. Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 4
NO
Replace daytime running light relay.
- CHECK DAYTIME RUNNING LIGHT RELAY CONTROL SIGNAL OUTPUT
CONSULT
- Install daytime running light relay.
- Turn ignition switch ON.
- Select "EXTERNAL LAMPS" in "Active Test" mode of "IPDM E/R".
- While operating the test item, check voltage between IPDM E/R harness connector and ground.
(+)
(-)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
E201
85
Ground
EXTERNAL LAMPS
Hi
0 V
Off
Battery voltage
Is the inspection result normal?
YES
Daytime running light relay circuit is OK.
NO
GO TO 5
NO
Replace IPDM E/R. Refer to Removal and Installation .
- CHECK DAYTIME RUNNING LIGHT RELAY CONTROL SIGNAL CIRCUIT (OPEN)
- Turn ignition switch OFF.
- Remove daytime running light relay.
- Disconnect IPDM E/R harness connector.
- Check continuity between IPDM E/R harness connector and daytime running light relay harness connector.
IPDM E/R
Daytime running light relay
Continuity
Connector
Terminal
Connector
Terminal
E201
85
E222
1
Yes
Is the inspection result normal?
YES
GO TO 6
NO
Repair or replace harness.
- CHECK DAYTIME RUNNING LIGHT RELAY CONTROL SIGNAL CIRCUIT (SHORT)
Check continuity between IPDM E/R harness connector and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
E201
85
No
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Repair or replace harness.