HEADLAMP (HI) CIRCUIT

IPDM E/R AUTO ACTIVE TEST

1. Activate IPDM E/R auto active test. Refer to Diagnosis Description.
2. Check that the headlamp switches to the high beam.

CONSULT-III ACTIVE TEST

1. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2. With operating the test items, check that the headlamp (HI) is turned ON.
   

   Hi	: Headlamp (HI) ON
   Off	: Headlamp (HI) OFF

   
   
   NOTE：
   ON/OFF is repeated 1 second each.
   

YES>>Headlamp (HI) circuit is normal.

NO>>Refer to Diagnosis Procedure.

CONSULT-III ACTIVE TEST

1. Turn the ignition switch OFF.
2. Disconnect the front combination lamp connector.
3. Turn the ignition switch ON.
4. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
5. With operating the test items, check the voltage between the IPDM E/R harness connector and the ground.
   

   Terminals				Test item	Voltage (Approx.)
   (+)			(−)
   IPDM E/R			Ground	EXTERNAL LAMPS
   Connector		Terminal
   RH	E8	89		Hi	Battery voltage
   				Off	0 V
   LH		90		Hi	Battery voltage
   				Off	0 V

   
   

YES>>GO TO 2.

NO>>GO TO 3.

1. Turn the ignition switch OFF.
2. Disconnect the IPDM E/R connector.
3. Check continuity between the IPDM E/R harness connector and the front combination lamp harness connector.
   

   IPDM E/R			Front combination lamp		Continuity
   Connector		Terminal	Connector	Terminal
   RH	E8	89	E58	7	Existed
   LH		90	E28	7

   
   

YES>>

• GO TO 5. (Without daytime running light system)
  
• GO TO 6. (With daytime running light system)
  

NO>>Repair the harnesses or connectors.

1. Turn the ignition switch OFF.
2. Check that the following fuses are not fusing.
   

   Unit	Location	Fuse No.	Capacity
   Headlamp HI (RH)	IPDM E/R	#55	10 A
   Headlamp HI (LH)	IPDM E/R	#54	10 A

   
   

YES>>GO TO 4.

NO>>Replace IPDM E/R.

1. Disconnect the IPDM E/R connector.
2. Check continuity between the IPDM E/R harness connector terminal and the ground.
   

   IPDM E/R			Ground	Continuity
   Connector		Terminal
   RH	E8	89		Not existed
   LH		90

   
   

YES>>Repair the harnesses or connectors. And then replace the fuse.

NO>>Replace the fuse. (Replace IPDM E/R if the fuse is fusing again.)

Check continuity between the front combination lamp harness connector and the ground.

Front combination lamp			Ground	Continuity
Connector		Terminal
RH	E58	3		Existed
LH	E28	3

YES>>Replace the headlamp (HI) bulb. (Bulb socket is abnormally.)

NO>>Repair the harnesses or connectors.

Check continuity between the front combination lamp LH harness connector and the ground.

Front combination lamp			Ground	Continuity
Connector		Terminal		Existed
LH	E28	3

YES>>GO TO 7.

NO>>Repair the harnesses or connectors.

1. Remove the daytime running light relay.
2. Check continuity between the front combination lamp RH harness connector and the daytime running light relay harness connector.
   

   Front combination lamp			Daytime running light relay		Continuity
   Connector		Terminal	Connector	Terminal	Existed
   RH	E58	3	E84	3

   
   

YES>>GO TO 8.

NO>>Repair the harness or connector.

Check continuity between the daytime running light relay harness connector and the ground.

Daytime running light relay			Ground	Continuity
Connector		Terminal		Existed
E84		4

YES>>GO TO 9.

NO>>Repair the harness or connector.

Check the daytime running light relay. Refer to Component Inspection.

YES>>Replace the headlamp (HI) bulb. (Bulb socket is abnormally.)

NO>>Replace the daytime running light relay.