Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH: Procedure

CHECK HARNESS AND CONNECTOR (POWER WINDOW SWITCH (REAR LH SIDE) - MOTOR (REAR LH SIDE))

Disconnect the S5 power window switch connector.
Disconnect the O9 motor connector.

Fig 1: Identifying Power Window Switch S5 Connector & Window Motor O9 Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard resistance

Tester Connection	Condition	Specified Condition
S5-4 (A) - O9-4 (AUTO)	Always	Below 1 Ω
S5-4 (A) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT POWER WINDOW SWITCH (for Rear LH Side)

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

Fig 2: Identifying Power Window Switch (Rear LH Side) Connector Terminals

Standard resistance

Tester Connection	Switch Condition	Specified Condition
4 (A) - 5 (E)	AUTO UP / DOWN operation	Below 1 Ω

NG → See step 4

OK → See step 3

REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to REMOVAL - Step 21
REPLACE POWER WINDOW SWITCH (for Rear LH Side). Refer to REMOVAL - Step 7