11. Reclining Motor Malfunction

SEAT: AUTO ACCESS SEAT SYSTEM: 11: Reclining Motor Malfunction
11 - Reclining Motor Malfunction

DESCRIPTION

When the power seat switch assembly (reclining switch) or No. 2 power seat switch assembly (reclining switch) have been operated, the position control ECU assembly outputs driving voltage to drive the rear seat with adjuster frame assembly LH (reclining 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 R5 rear seat with adjuster frame assembly LH (reclining motor) connector.





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

Standard Voltage:





Text in Illustration





(c) Reconnect the rear seat with adjuster frame assembly LH (reclining motor) connector.

NG -- CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU ASSEMBLY - RECLINING MOTOR)

OK -- REPLACE REAR SEAT WITH ADJUSTER FRAME ASSEMBLY LH (RECLINING MOTOR) Disassembly

2. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU ASSEMBLY - RECLINING MOTOR)

(a) Disconnect the Q3 position control ECU assembly connector.

(b) Disconnect the R5 rear seat with adjuster frame assembly LH (reclining motor) connector.

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

Standard Resistance:





(d) Reconnect the rear seat with adjuster frame assembly LH (reclining motor) connector.

(e) Reconnect the position control ECU assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE POSITION CONTROL ECU ASSEMBLY Disassembly