POWER MIRROR CONTROL SYSTEM (w/ Retract Mirror) - Power Mirror Surface Position is not Memorized

SYSTEM DESCRIPTION

The outer rear view mirror assembly has a mirror position sensor. The position control ECU and switch sends instructions to the outer mirror control ECU. Then the outer mirror control ECU receives mirror information from the mirror position sensors, and memorizes the mirror positions.

INSPECTION PROCEDURE

1.CHECK DTC

Use the intelligent tester to check if the CAN communication system is functioning normally.

Result
Result	Proceed to
CAN DTC is not output	A
CAN DTC is output (for LHD)	B
CAN DTC is output (for RHD)	C

B

GO TO CAN COMMUNICATION SYSTEM ()

C

GO TO CAN COMMUNICATION SYSTEM ()

A

2.CHECK SEAT MEMORY SWITCH FUNCTION (SEAT POSITION MEMORY FUNCTION)

Check that the driver side seat can be moved using the seat memory switch.

OK:
Driver side seat can be moved using seat memory switch.

NG

GO TO POWER SEAT CONTROL SYSTEM ()

OK

3.CHECK SEAT MEMORY SWITCH FUNCTION (REGISTRATION OF SEAT MEMORY SWITCH)

Check that the memory operation is properly completed.

NOTICE:

The seat position will not be recorded if the seat memory SET switch and 2 or more of the seat memory switches (for example, seat memory switch 1 and seat memory switch 2) are pressed simultaneously.

If the operation fails, the mirror facing direction will not be memorized until the seat memory SET switch is turned off.

The mirror facing direction will not be memorized when the mirror is operated manually.

OK:
Driver side seat position can be memorized using seat memory switch (for Driver Side).

NG

Go to step 4

OK

SYSTEM IS OK

4.READ VALUE USING INTELLIGENT TESTER (MIRROR POSITION MEMORY)

Check the Data List for proper functioning of the mirror position memory ().

Mirror
Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
Mirror Memory No.1	Mirror position memorized in seat memory switch memory1 / ON or OFF	ON: Memorized OFF: Not memorized	-
Mirror Memory No.2	Mirror position memorized in seat memory switch memory2 / ON or OFF	ON: Memorized OFF: Not memorized	-
Mirror Memory No.3	Mirror position memorized in seat memory switch memory3 / ON or OFF	ON: Memorized OFF: Not memorized	-

OK:
On tester screen, each item changes between ON and OFF according to above chart.

NG

REPLACE OUTER MIRROR CONTROL ECU ()

OK

REPLACE POSITION CONTROL ECU AND SWITCH ()

MIRROR EXT

Land Cruiser URJ200 URJ202 GRJ200 VDJ200

POWER MIRROR CONTROL SYSTEM w/ Retract Mirror