Inspection Procedure

CHECK SEAT MEMORY SWITCH FUNCTION (SEAT POSITION MEMORY FUNCTION)
1. Check that the driver side seat can be moved using the driving position memory switch.
  OK: Driver side seat can be moved using driving position memory switch.
1. NG: Go to FRONT POWER SEAT CONTROL SYSTEM (See PROBLEM SYMPTOMS TABLE )
2. OK: Go to next step.
CHECK SEAT MEMORY SWITCH FUNCTION (REGISTRATION OF SEAT MEMORY SWITCH)
1. Check that the memory operation is properly completed. A buzzer sounds when the door mirror position and mirror facing direction are memorized.
  NOTE:
  - If the SET, M1 and M2 switches are pressed simultaneously, the mirror facing direction will not be memorized.
  - If the operation fails, the mirror facing direction will not be memorized until the SET switch is turned off.
  - The mirror facing direction will not be memorized when the mirror is operated manually.
    OK: Driver side seat can be memorized using seat memory switch (driver side).
1. NG: Go to step 3
2. OK: NORMAL
READ DATA LIST (SEAT MEMORY FUNCTION)
1. Check DATA LIST for proper functioning of the seat memory function.
  Position control ECU assy (driver side):
  
  Fig 1: Seat Memory Function Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK:
  
  On tester screen, each item changes between MEM and NOT MEM according to Fig 1 .
1. NG: Go to step 4
2. OK: REPLACE POSITION CONTROL ECU ASSY (DRIVER SIDE)

CHECK WIRE HARNESS (SEAT MEMORY SWITCH - MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU))

Measure the resistance of the wire harness side connectors.

Standard:

SEAT MEMORY SWITCH - MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU)

Fig 2: Checking Wire Harness (Seat Memory Switch - Multiplex Network Door ECU Fron LH (Driver Door ECU))