2001 TOYOTA AVALON Service Repair Manual

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BE-74
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
1678 Author
: Date
:
2001 AVALON (RM808U)
4. INSPECT POWER MAIN RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 - 2Continuity
Apply B+ between
terminals 1 and 2.3 - 5Continuity
If continuity is not as specified, replace the relay.
5. Driver 's Door:
INSPECT POWER WINDOW MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the motor turns clockwise.
(b) Reverse the polarity, check that the motor turns counter-
clockwise.
If operation is not as specified, replace the motor.
NOTICE:
Since the jam protection may not work properly be sure to
conduct procedures described in ºHOW TO RESET POW-
ER MOTOR (RESET AND PULSE SWITCH)º after this in-
spection.
6. Front Passenger's Door:
INSPECT POWER WINDOW MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, and check that
the motor turns clockwise.
(b) Reverse the polarity, check that the motor turns counter-
clockwise.
If operation is not as specified, replace the motor.

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- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
BE-75
1679 Author
: Date
:
2001 AVALON (RM808U)
7. Rear Left Side Door:
INSPECT POWER WINDOW MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, and check that
the motor turns clockwise.
(b) Reverse the polarity, check that the motor turns counter-
clockwise.
If operation is not as specified, replace the motor.
8. Rear Right Side Door:
INSPECT POWER WINDOW MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the motor turns clockwise.
(b) Reverse the polarity, check that the motor turns counter-
clockwise.
If operation is not as specified, replace the motor.
9. Driver 's door:
INSPECT POWER WINDOW MOTOR PTC THERM-
ISTOR OPERATION
(a) Disconnect the connector from the power window motor.
(b) Connect the positive (+) lead from the ammeter to termi-
nal 2 on the wire harness side connector and the negative
(-) lead to negative terminal of the battery.
(c) Connect the positive (+) lead from the battery to terminal
1 on the wire harness side connector, and raise the win-
dow to the fully position.

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BE-76
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
1680 Author
: Date
:
2001 AVALON (RM808U)
(d) Continue to apply voltage, and check that the current
changes to less than 1 A with 4 to 90 seconds.
(e) Disconnect the leads from terminals.
(f) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 2 and negative (-) lead
to terminal 1, and check that the window begins to de-
scended.
If operation is not as specified, replace the motor.
10. Front Passenger's door:
INSPECT POWER WINDOW MOTOR PTC THERM-
ISTOR OPERATION
(a) Disconnect the connector from the power window motor.
(b) Connect the positive (+) lead from the ammeter to termi-
nal 1 on the wire harness side connector and the negative
(-) lead to negative terminal of the battery.
(c) Connect the positive (+) lead from the battery to terminal
2 on the wire harness side connector, and raise the win-
dow to the fully position.
(d) Continue to apply voltage and check that the current
changes to less than 1 A within 4 to 90 seconds.
(e) Disconnect the leads from the terminals.
(f) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 1 and the negative (-)
lead to terminal 2, and check that the window begins to
descend.
If operation is not as specified, replace the motor.
11. Rear LH door:
INSPECT POWER WINDOW MOTOR PTC THERM-
ISTOR OPERATION
(a) Disconnect the connector from the power window motor.
(b) Connect the positive (+) lead from the ammeter to termi-
nal 2 on the wire harness side connector and the negative
(-) lead to negative terminal of the battery.
(c) Connect the positive (+) lead from the battery to terminal
2 on the wire harness side connector, and raise the win-
dow to the fully position.

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2001 AVALON (RM808U)
(d) Continue to apply voltage and check that the current
changes to less than 1 A within 4 to 90 seconds.
(e) Disconnect the leads from the terminals.
(f) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 1 and the negative (-)
lead to terminal 2, and check that the window begins to
descend.
If operation is not as specified, replace the motor.
12. Rear RH Door:
INSPECT POWER WINDOW MOTOR PTC THERM-
ISTOR OPERATION
(a) Disconnect the connector from the power window motor.
(b) Connect the positive (+) lead from the ammeter to termi-
nal 2 on the wire harness side connector and the negative
(-) lead to negative terminal of the battery.
(c) Connect the positive (+) lead from the battery to terminal
1 on the wire harness side connector, and raise the win-
dow to the fully position.
(d) Continue to apply voltage and check that the current
changes to less than 1 A within 4 to 90 seconds.
(e) Disconnect the leads from the terminals.
(f) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 2 and the negative (-)
lead to terminal 1, and check that the window begins to
descend.
If operation is not as specified, replace the motor.
13. INSPECT JAM PROTECTION FUNCTION
NOTICE:
Never, ever be caught any part of your body when check-
ing.
HINT:
In case of performing resetting of the limit switch, do checking
after repeating up and down of the glass with automatic opera-
tion.
(a) Confirmation of AUTO up operation:
Confirm that the window will be fully close with AUTO up
operation.
(b) Checking of the operation of the jam protection function:
(1) Move up the window with AUTO up operation and
check that the window will go down when it touches
the handle of the hammer stetted.
(2) Confirm that the window will then stop going down
about 200 mm .
HINT:
In case of removing the glass, glass guide, regulator and etc.
be sure to perform checking of the jam protection function.

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BE-78
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
1682 Author
: Date
:
2001 AVALON (RM808U)
14. Driver 's Door (Window Up):
INSPECT JAM PROTECTION LIMIT SWITCH OPERA-
TION
(a) Connect the negative (-) lead from the ohmmeter to ter-
minal 5 and the positive (+) lead to terminal 4.
(b) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2.
(c) Check that the continuity exists when the window goes
up.
(d) Check that the no continuity exists when the window is in
the fully closed position.
If operation is not as specified, replace the motor.
NOTICE:
If connecting the wire harness wrongly, the sensor might
be damaged so caution is necessary.
15. Driver 's Door (Window Down):
INSPECT JAM PROTECTION LIMIT SWITCH OPERA-
TION
(a) Connect the negative (-) lead from the ohmmeter to ter-
minal 5 and the positive (+) lead to terminal 4.
(b) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1.
(c) Check that the continuity exists when the window goes
down.
(d) Check that the no continuity exists when the window is in
the fully opened position.
If operation is not as specified, replace the motor.
NOTICE:
If connecting the wire harness wrongly, the sensor might
be damaged so caution is necessary.
16. Driver 's Door:
INSPECT JAM PROTECTION PULSE SWITCH OP-
ERATION
(a) Connect the positive (+) lead from the TOYOTA electrical
tester to terminal 3 and the negative (-) lead to terminal
5.
(b) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2.
(c) Check that pulse is generated during the motor running.

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2001 AVALON (RM808U)
(d) Reverse the polarity and check that pulse is generated.
If operation is not as specified, replace the motor.
NOTICE:
If connecting the wire harness wrongly, the sensor might
be damaged so caution is necessary.
17. INSPECT JAM PROTECTION FUNCTION
NOTICE:
Never, ever be caught any part of your body when check-
ing.
HINT:
In case of performing resetting of the limit switch, do checking
after repeating up and down of the glass with automatic opera-
tion.
(a) Confirmation of AUTO up operation:
Confirm that the window will be fully close with AUTO up
operation.
(b) Checking of the operation of the jam protection function:
(1) Move up the window with AUTO up operation and
check that the window will go down when it touches
the handle of the hammer stetted.
(2) Confirm that the window will then stop going down
about 200 mm.
HINT:
In case of removing the glass, glass guide, regulator and etc.
be sure to perform checking of the jam protection function.
If the jam protection is not function properly, adjust power win-
dow motor reset switch and pulse switch.

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I12534
Driver Side Junction Block

FL P/W, FR P/W, RL P/W, RR P/W Fuse

Power Main Relay

Body ECU
Front Power Window MotorIgnition SwitchPower Window Switch
(Passenger Door ECU)
Rear Power Window Motor
Power Window Master Switch
(Driver Door ECU)
Rear Power Window Switch
BE-72
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
1676 Author
: Date
:
2001 AVALON (RM808U)
LOCATION