TOYOTA AVALON 2001 Service Repair Manual
Manufacturer: TOYOTA, Model Year: 2001, Model line: AVALON, Model: TOYOTA AVALON 2001Pages: 1897, PDF Size: 26.61 MB
Page 291 of 1897
I12556
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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.
Page 292 of 1897
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- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
BE-77
1681 Author: Date:
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.
Page 293 of 1897
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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.
Page 294 of 1897
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- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
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1683 Author: Date:
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.
Page 295 of 1897
BE0IH-03
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
Page 296 of 1897
BE02C-1 1
The window moves down during the up operation.1
With ignition switch ON, when performing the auto-up operation,
if the factor which increases the sliding resistance of window
glass near the inverse position is recognized.
Disassemble the door and replace or repair the
component.
Reset the limit switch.
If power window regulator and motor operate smoothly.
Ye s
No
Check or repair door glass run and window guide
frame.
Replace the driver door control ECU with the normal one
removed from another seat. Sliding resistance check:
Power window motor reset:
Check operation power window control is normal.
Remove power window regulator assembly.
When raising the assembled window glass by hand if the glass slides
smoothly without being caught.
Ye s Sliding resistance check:
Unit check:
Install power window regulator and reset the limit switch.
Power window motor reset: *1
Check operation power window control is normal.
Power window motor faulty.
Ye s
No
Normal.
(After checking the operation repeatedly, perform the
function check.)
No
Driver door control ECU faulty.Ye s
No
HINT: When difference of descending time comparing
to the opposite window is recognized, there seems to
be an error on sliding components (door glass run
and window regulator.)
BE-70
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
1674 Author: Date:
2001 AVALON (RM808U)
POWER WINDOW CONTROL SYSTEM
TROUBLESHOOTING
Page 297 of 1897
2The DOWN function does not work though some other objects are caught in the power window glass.
Is the system in the jam protection function operating
condition?
The AUTO UP operation works with the ignition
switch ON. (One-touch operation)Normal (Perform function check)
Normal
(After performing operation check repeatedly,
conduct the function check.) Is the power window outside the jam protection func-
tion operating area?
< Out of the operating area >
Area around the fully closed position
Reset the limit switch.
*2
Does the power window operate normally?
Master switch defective.No
Ye s
Ye s
No No Ye s
- BODY ELECTRICALPOWER WINDOW CONTROL SYSTEM
BE-71
1675 Author: Date:
2001 AVALON (RM808U)
Page 298 of 1897
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1ON
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ON BE-122
- BODY ELECTRICALSEAT HEATER SYSTEM
1726 Author: Date:
2001 AVALON (RM808U)
INSPECTION
1. A/C control panel assembly:
INSPECT DRIVERS SEAT HEATER SWITCH OPERA-
TION
(a) Connect the positive (+) lead from the battery to terminal
1, 2 and negative (-) lead to terminal 24, 25.
(b) Connect the positive (+) lead from the battery to terminal
12 through a 1.4 W test bulb.
(c) Turn the drivers seat heater switch ON and check that the
test bulb and indicator light turn ON.
If operation is not as specified, proceed to the next inspection.
2. A/C control panel assembly:
INSPECT PASSENGER SEAT HEATER SWITCH OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
1, 2 and negative (-) lead to terminal 24, 26.
(b) Connect the positive (+) lead from the battery to terminal
13 through a 1.4 W test bulb.
(c) Turn the passenger seat heater switch ON and check that
the test bulb and indicator light turn ON.
If operation is not as specified, proceed to the next inspection.
Page 299 of 1897
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Connector ºAº Connector ºBº
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- BODY ELECTRICALSEAT HEATER SYSTEM
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1727 Author: Date:
2001 AVALON (RM808U)
3. INSPECT SEAT CUSHION HEATER CONTINUITY
(a) Disconnect the seat back heater from the seat cushion
heater.
(b) Heat the 2 thermostats with a light and check that there
is no continuity above 50 °C (122 °F) between terminals
A1 and B2, A2 and B1.
(c) Cool the 2 thermostats below 40 °C (104 °F) between ter-
minals A1 and B2, A2 and B1.
If continuity is not as specified, replace the seat heater.
4. INSPECT SEAT BACK CONTINUITY
Check that there is continuity between terminals 1 and 2.
If continuity is not as specified, replace the seat back pad.
5. INSPECT IGNITION 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.
Page 300 of 1897
BE0IV-05
I13483
Instrument Panel Junction Block
SEAT HTR Fuse
Ignition Main Relay
Seat Heater
Seat Cushion
Seat Heater
Seat BackIgnition SwitchHeater Control Panel
Seat Heater Switch
- BODY ELECTRICALSEAT HEATER SYSTEM
BE-121
1725 Author: Date:
2001 AVALON (RM808U)
SEAT HEATER SYSTEM
LOCATION