Diagnosis Procedure
- CHECK HEADLAMP AIMING MOTOR POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect headlamp aiming motor connector.
- Turn ignition switch ON.
- Check voltage between headlamp aiming motor harness connector and ground.
+
-
Voltage
Headlamp aiming motor
Connector
Terminal
RH
E26
1
Ground
Battery voltage
LH
E56
Is the inspection result normal?
YES
GO TO 2.
NO
Repair harness or connector between headlamp aiming motor and fuse.
- CHECK HEADLAMP AIMING MOTOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between headlamp aiming motor harness connector and ground.
Headlamp aiming motor
--
Continuity
Connector
Terminal
RH
E26
2
Ground
Existed
LH
E56
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK AIMING MOTOR DRIVE SIGNAL
With CONSULT
- Reconnect headlamp aiming motor connector.
- Turn ignition switch ON.
- Turn lighting switch 2ND.
- Select "LEVELIZER TEST" in "Active Test" mode of "ADAPTIVE LIGHT" using CONSULT.
- With operating the test items, check voltage between AFS control unit harness connector and ground.
+
-
Test item
Voltage
(Approx.)
AFS control unit
Connector
Terminal
E70
22
Ground
LEVELIZER TEST
Peak
8.75 V
Origin
3.75 V
Is the inspection result normal?
YES
GO TO 4.
NO
Fixed at 0 V: GO TO 5.
NO
Fixed at battery voltage: GO TO 6.
- CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT (OPEN)
- Turn ignition switch OFF.
- Disconnect AFS control unit connector and headlamp aiming motor connector.
- Check continuity between AFS control unit harness connector and headlamp aiming motor harness connector.
AFS control unit
Headlamp aiming motor
Continuity
Connector
Terminal
Connector
Terminal
RH
E70
22
E26
3
Existed
LH
E56
Is the inspection result normal?
YES
Replace front combination lamp. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT (SHORT TO GROUND)
- Turn ignition switch OFF.
- Disconnect AFS control unit connector and headlamp aiming motor connector.
- Check continuity between AFS control unit harness connector and ground.
AFS control unit
--
Continuity
Connector
Terminal
E70
22
Ground
Not existed
Is the inspection result normal?
YES
Replace AFS control unit. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT (SHORT TO BATTERY)
- Turn ignition switch OFF.
- Disconnect AFS control unit connector and headlamp aiming motor connector.
- Check voltage between AFS control unit harness connector and ground.
+
-
Voltage
(Approx.)
AFS control unit
Connector
Terminal
E70
22
Ground
0 V
Is the inspection result normal?
YES
Replace AFS control unit. Refer to Removal and Installation .
NO
Repair or replace harness.