12. Front-rear Slide Motor Malfunction

SEAT: AUTO ACCESS SEAT SYSTEM: 12: Front-rear Slide Motor Malfunction
12 - Front-rear Slide Motor Malfunction

DESCRIPTION

When the power seat switch assembly (front-rear slide switch) or No. 2 power seat switch assembly (front-rear slide switch) have been operated, the position control ECU assembly outputs driving voltage to drive the power seat motor assembly (front-rear slide motor).





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* When there is a malfunction in the auto access seat, use independent operation mode to ingress the auto access seat. In this case, until the auto access seat has completed the ingress operation, do not disconnect the cable from the negative battery terminal.
* When there is a malfunction in the auto access seat, before beginning the troubleshooting procedure, first perform initialization Auto Access Seat System and verify the auto access seat operation. If the seat is still malfunctioning, perform the troubleshooting procedure.
* After inspecting and repairing the auto access seat, be sure to perform initialization Auto Access Seat System.
* After performing initialization, be sure to inspect the operation of the auto access seat Operation Check.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU ASSEMBLY)

(a) Disconnect the Q10 power seat motor assembly (front-rear slide motor) connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





(c) Reconnect the power seat motor assembly (front-rear slide motor) connector.

NG -- CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU ASSEMBLY - FRONT-REAR SLIDE MOTOR)

OK -- REPLACE POWER SEAT MOTOR ASSEMBLY (FRONT-REAR SLIDE MOTOR) Disassembly

2. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU ASSEMBLY - FRONT-REAR SLIDE MOTOR)

(a) Disconnect the Q4 position control ECU assembly connector.

(b) Disconnect the Q10 power seat motor assembly (front-rear slide motor) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(d) Reconnect the power seat motor assembly (front-rear slide motor) connector.

(e) Reconnect the position control ECU assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE POSITION CONTROL ECU ASSEMBLY Disassembly