Inspection Procedure

FUNCTION CHECK (OPERATION)
1. Check whether the manual operation is normal by using the power seat switch.
1. NG: FLOW CHART 1
2. OK: GO TO NEXT STEP.
FUNCTION CHECK (MEMORY)
1. Check whether the power seat memory function is normal.
1. NG: FLOW CHART 2
2. OK: GO TO NEXT STEP.

FUNCTION CHECK (REPRODUCING OPERATION)

Check whether the reproducing operation works under any of the following conditions.

FUNCTION CHECK CHART

Condition
IG ON, P RANGE
IG ON, N RANGE, vehicle stopped
Driver's door open, no key inserted in key switch

When the reproducing operation does not work under all the conditions, proceed to "A".
When the reproducing operation works under one of the conditions, proceed to "B".

B: CHECK AND REPLACE POSITION CONTROL ECU ASSY (See TERMINALS OF ECU )
A: GO TO NEXT STEP.

CHECK WIRE HARNESS

Check the continuity of the wire harness between seat ECU and the position control sensor with a malfunctioning part detected by the ECU data.

Fig 1: Checking Continuity Of Wire Harness Between Seat ECU & Position Control Sensor

G03386959

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION CHART

Tester connection (Connector B <--> Position control sensor)	Specified condition
P21-6 <--> Terminal 3 of defective position sensor	Continuity
P21-13 <--> Terminal 2 of defective position sensor	Continuity
P21-3 <--> Terminal 1 of position sensor for front vertical	Continuity
P21-4 <--> Terminal 1 of position sensor for lifter	Continuity
P21-5 <--> Terminal 1 of position sensor for reclining	Continuity
P21-14 <--> Terminal 1 of position sensor for slide	Continuity

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE POSITION CONTROL SENSOR