Diagnosis Procedure
- CHECK DAYTIME RUNNING LIGHT RELAY FUSES
- Turn ignition switch OFF.
- Check that the following fuses are not blown (open).
Unit
Location
Fuse No.
Capacity
Daytime running light relay
[Switch side (Daytime running light RH)]
IPDM E/R
#58
10 A
Daytime running light relay
[Switch side (Daytime running light LH)]
Daytime running light relay
(Coil side)
Fuse block (J/B)
#11
Is the fuse blown (open)?
YES
Replace the blown fuse after repairing the affected circuit if a fuse is blown (open).
NO
GO TO 2.
- CHECK DAYTIME RUNNING LIGHT RELAY POWER SUPPLY
- Remove daytime running light relay.
- Check voltage between daytime running light relay harness connector and ground.
+
-
Voltage
Daytime running light relay
Connector
Terminal
Switch side
(Daytime running light RH)
E50
7
Ground
Battery voltage
Switch side
(Daytime running light LH)
5
Coil side
2
Is the inspection result normal?
YES
GO TO 4.
NO
Switch side: GO TO 3.
NO
Coil side: Check battery power supply circuit. Refer to Wiring Diagram - BATTERY POWER SUPPLY - .
- CHECK DAYTIME RUNNING LIGHT RELAY (SWITCH SIDE) POWER SUPPLY CIRCUIT
- Disconnect IPDM E/R connector.
- Check continuity between daytime running light relay harness connector and IPDM E/R harness connector.
Daytime running light relay
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
Switch side
(Daytime running light RH)
E50
7
E7
48
Existed
Switch side
(Daytime running light LH)
5
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation .
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 5.
NO
Replace daytime running light relay.
- CHECK DAYTIME RUNNING LIGHT RELAY CONTROL SIGNAL
With CONSULT
- Install daytime running light relay.
- Turn ignition switch ON.
- Select "HEAD LAMP" of "BCM" using CONSULT.
- Select "DAYTIME RUNNING LIGHT" in "Active Test" mode.
- With operating the test item, check voltage between IPDM E/R harness connector and ground.
+
-
Test item
Voltage
IPDM E/R
Connector
Terminal
E5
23
Ground
DAYTIME RUNNING LIGHT
On
0 - 1 V
Off
9 - 16 V
Is the inspection result normal?
YES
GO TO 8.
NO
Fixed at 0 - 1 V: GO TO 7.
NO
Fixed at 9 - 16 V: GO TO 6.
- CHECK DAYTIME RUNNING LIGHT REQUEST SIGNAL
With CONSULT
- Select "DTRL REQ" in "Data Monitor" mode of "IPDM E/R" using CONSULT.
- With operating the daytime running light ON condition, check the monitor status.
Monitor item
Condition
Monitor status
DTRL REQ
Daytime running light
ON condition
On
OFF condition
Off
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Replace BCM. Refer to Removal and Installation .
- CHECK DAYTIME RUNNING LIGHT RELAY CONTROL SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Remove daytime running light relay.
- Disconnect IPDM E/R connector.
- Check continuity between daytime running light relay harness connector and IPDM E/R harness connector.
Daytime running light relay
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E50
1
E5
23
Existed
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK DAYTIME RUNNING LIGHT POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Remove daytime running light relay.
- Disconnect front combination lamp connector.
- Check continuity between daytime running light relay harness connector and front combination lamp harness connector.
Daytime running light relay
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E50
6
E49
1
Existed
LH
3
E48
Is the inspection result normal?
YES
GO TO 9.
NO
Repair or replace harness.
- CHECK DAYTIME RUNNING LIGHT GROUND CIRCUIT
Check continuity between front combination lamp harness connector and ground.
Front combination lamp
--
Continuity
Connector
Terminal
RH
E49
4
Ground
Existed
LH
E48
Is the inspection result normal?
YES
Replace the corresponding front combination lamp. Refer to Removal and Installation .
NO
Repair or replace harness.