
05-1574 DIAGNOSTICS - POWER WINDOW CONTROL SYSTEM (W/ JAM
PROTECTION) 059YW-04
MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT REAR
RH
CIRCUIT DESCRIPTION
If the manual UP/DOWN function does not operate, the power window motor, the regulator switch or the wire
harness may be malfunctioning.
WIRING DIAGRAM
P39
P43 Power Window Regulator
Power Window Regulator Switch Assy Rear (Rear RH)
Motor Assy RH (Rear RH)
2 G 2 D
1 R 4 U
L 3 B
From Power Window Relay
R-B 5 SU
To Power Window Master Switch (Ground)
B 1 SD
To Power Window Master Switch (Ground)
B62900
INSPECTION PROCEDURE
1 CHECK WIRE HARNESS (POWER SOURCE)
(a) Disconnect the P39 regulator switch connector.
Wire Harness Side
(b) Turn the ignition switch ON.
P39
(c) Check the voltage between the terminal of the wire har-
Power Window Regulator
Switch Assy Rear (Rear RH)
ness side connector and the body ground.
Standard:
Terminal No. Condition Specified Condition
P39-3 - Body ground Ignition switch ON 10 to 14 V
NG REPAIR OR REPLACE HARNESS AND
B67300 CONNECTOR (REGULATOR SWITCH - RELAY)
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1757
DIAGNOSTICS - POWER WINDOW CONTROL SYSTEM (W/ JAM 05-1575
PROTECTION)
2 INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR RH)
(a) Remove the regulator switch.
(b) Check the resistance between the switch terminals when
the switch is operated, as shown in the table below.
Standard:
Terminal No. Regulator Switch Specified Condition
1 - 2, 3 - 4 UP
1 - 2, 4 - 5 OFF Below 1
2 - 3, 4 - 5 DOWN
B66766
NG REPLACE POWER WINDOW REGULATOR
SWITCH ASSY REAR (REAR RH)
OK
3 CHECK WIRE HARNESS (REGULATOR SWITCH - MOTOR) (REGULATOR
SWITCH - BODY GROUND)
(a) Disconnect the P43 motor connector.
Wire Harness Side (b) Check the resistance between the wire harness side con-
nectors.
Standard:
P39
Terminal No. Specified Condition
Power Window Regulator
P39-2 (D) - P43-2
Switch Assy Rear (Rear RH) Below 1
P39-4 (U) - P43-1
(c) Check the resistance between the P39 regulator switch
connector and body ground.
Standard:
Terminal No. Specified Condition
P43 P39-2 (D) - Body ground
Power Window Regulator 10 k or higher
P39-4 (U) - Body ground
Motor Assy RH (Rear RH)
NG REPAIR OR REPLACE HARNESS AND
B66779 CONNECTOR
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1758
05-1576 DIAGNOSTICS - POWER WINDOW CONTROL SYSTEM (W/ JAM
PROTECTION)
4 INSPECT POWER WINDOW REGULATOR MOTOR ASSY RH (REAR RH)
(a) Remove the motor (See page 75-48 ).
Motor Gear
Clockwise
(b) Apply battery voltage to connector terminals 1 and 2.
(c) Check that the motor smoothly rotates.
NOTICE:
Do not apply battery voltage to any terminals except termi-
nals 1 and 2.
Counterclockwise Standard:
Terminal No. Specified Condition
B69020 Battery positive (+) 1
Motor gear rotates counterclockwise
Battery negative (-) 2
Battery positive (+) 2
Motor gear rotates clockwise
Battery negative (-) 1
NG REPLACE POWER WINDOW REGULATOR
MOTOR ASSY RH (REAR RH)
OK
REPAIR OR REPLACE HARNESS AND CONNECTOR (MASTER SWITCH - REGULATOR SWITCH)
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1759