Inspection Procedure

1. Check the DATA LIST for proper function of the seat memory switch.

   D-SEAT 

   DATA LIST REFERENCE TABLE
   
   

   Item	Switch Position	Specified condition
   D-MIRR MEM M1	Driver side mirror position memorized in seat memory switch M1/NOT MEM or MEM	MEM: Memorized NOT MEM: Not memorized
   D-MIRR MEM M2	Driver side mirror position memorized in seat memory switch M2/NOT MEM or MEM
   P-MIRR MEM M1	Passenger side mirror position memorized in seat memory switch M1/NOT MEM or MEN
   P-MIRR MEM M2	Passenger side mirror position memorized in seat memory switch M2/NOT MEM or MEN

NG: Go to step   2 

OK: CHECK AND REPLACE OUTER MIRROR CONTROL ECU 

1. Remove the seat memory switch.
   Fig 1: Identifying Seat Belt Memory Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below when the switch is operated.

   Standard resistance 

   RESISTANCE REFERENCE TABLE
   
   

   Tester Connection	Switch Condition	Specified Condition
   3 - 4	"SET" switch ON	Below 1 Ω
   1 - 4	"1" switch ON	Below 1 Ω
   2 - 4	"2" switch ON	Below 1 Ω

NG: REPLACE SEAT MEMORY SWITCH 

OK: Go to next step. 

1. Disconnect the D15 and P22 switch connectors.
   Fig 2: Identifying Wire Harness (Seat Memory Switch - Multiplex Network Master Switch)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE REFERENCE TABLE
   
   

   Tester Connection	Condition	Specified Condition
   D15-2 (MMRY) - P22-3 (MM)	Always	Below 1 Ω
   D15-4 (1) - P22-13 (M1)	Always	Below 1 Ω
   D15-3 (2) - P22-17 (M2)	Always	Below 1 Ω
   D15-1 (E) - Body ground	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE POSITION CONTROL ECU & SWITCH ASSEMBLY