Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT SEAT MEMORY SWITCH

Disconnect the seat memory switch connector.

Measure the resistance according to the value(s) in CONNECTOR TERMINAL RESISTANCE SPECIFICATION .

Standard:

CONNECTOR TERMINAL RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
1 - 4	SET switch pushed	Below 1 Ω
2 - 4	SW1 switch pushed	Below 1 Ω
3 - 4	SW2 switch pushed	Below 1 Ω

Fig 1: Inspecting Seat Memory Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE SEAT MEMORY SWITCH

OK: GO TO NEXT STEP.

CHECK HARNESS AND CONNECTOR (MEMORY SEAT ECU - SEAT MEMORY SWITCH)

Disconnect the front power seat switch connector.

Measure the resistance according to the value(s) in CONNECTOR TERMINAL RESISTANCE SPECIFICATION .

Standard:

CONNECTOR TERMINAL RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
S30-4 (E) - Body ground	Always	Below 1 Ω
S30-1 (MRY) - P28-5 (MMRY)	Always	Below 1 Ω
S30-3 (M2) - P28-6 (SW2)	Always	Below 1 Ω
S30-2 (M1) - P28-2 (SW1)	Always	Below 1 Ω

Fig 2: Disconnecting Front Power Seat Switch Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE )