Diagnosis Procedure
- CHECK DOOR MIRROR LH SENSOR SIGNAL
- Turn ignition switch to ACC.
- Check voltage between door mirror LH harness connector and ground.
(+)
(-)
Condition
Voltage (V)
(Approx.)
Door mirror LH
Connector
Terminal
D12
24
Ground
Door mirror
LH
Close to peak
3.4
Close to valley
0.6
23
Close to right edge
3.4
Close to left edge
0.6
Is the inspection result normal?
YES
GO TO 5
NO
GO TO 2
- CHECK DOOR MIRROR LH SENSOR CIRCUIT 1
- Turn ignition switch OFF.
- Disconnect automatic drive positioner control unit and door mirror LH connector.
- Check continuity between automatic drive positioner control unit harness connector and door mirror LH harness connector.
Automatic drive positioner control unit
Door mirror LH
Continuity
Connector
Terminal
Connector
Terminal
M63
6
D12
24
Yes
18
23
- Check continuity between automatic drive positioner control unit harness connector and ground.
Automatic drive positioner control unit
Ground
Continuity
Connector
Terminal
M63
6
No
18
Is the inspection result normal?
YES
GO TO 3
NO
Repair or replace harness.
- CHECK DOOR MIRROR LH SENSOR CIRCUIT 2
- Check continuity between automatic drive positioner control unit harness connector and door mirror LH harness connector.
Automatic drive positioner control unit
Door mirror LH
Continuity
Connector
Terminal
Connector
Terminal
M63
20
D12
21
Yes
21
22
- Check continuity between automatic drive positioner control unit harness connector and ground.
Automatic drive positioner control unit
Ground
Continuity
Connector
Terminal
M63
20
No
21
Is the inspection result normal?
YES
GO TO 4
NO
Repair or replace harness.
- Check continuity between automatic drive positioner control unit harness connector and door mirror LH harness connector.
- CHECK TILT MOTOR ADJUSTING OPERATION
- Connect automatic drive positioner control unit and door mirror LH.
- Turn ignition switch ON.
- Check tilt motor adjusting operation with memory function.
Is the operation normal?
YES
Replace door mirror actuator (built into door mirror LH). Refer to Removal and Installation .
NO
Replace automatic drive positioner control unit. Refer to Removal and Installation .
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
Is the inspection result normal?
YES
Replace automatic drive positioner control unit. Refer to Removal and Installation .
NO
Repair or replace the malfunctioning part.