Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001A4F001X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): Driving Position Memory Switch Circuit (w/ Memory); 2007 MY LX470 [08/2006 -        ]

Driving Position Memory Switch Circuit (w/ Memory)

DESCRIPTION

The body ECU (Main) detects the condition of the driving position memory switch, and sends the information to the power seat control ECU, tilt and telescopic ECU and mirror control ECU via the multiplex communication circuit.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

CHOOSE DIAGNOSIS METHOD

(a) Choose the diagnosis method.

Method:

Method

Proceed to

Using intelligent tester

A

Not using intelligent tester

B
B

GO TO STEP 3

A

2.

READ VALUE USING INTELLIGENT TESTER (POWER SEAT MEMORY SWITCH)

(a) Connect the intelligent tester to the DLC3.

(b) Check that the power seat memory switches operate using the DATA LIST 2007 MY LX470 [08/2006 -        ]; SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): DATA LIST / ACTIVE TEST .

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

NG

3.

CHECK DRIVING POSITION MEMORY SWITCH

(a) Check driving position memory switch 2007 MY LX470 [08/2006 -        ]; MIRROR: POWER MIRROR CONTROL SYSTEM: INSPECTION+ .

NG

REPLACE DRIVING POSITION MEMORY SWITCH

OK

4.

CHECK WIRE HARNESS (SWITCH - ECU AND BODY GROUND)
NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE