TOYOTA AVALON 2001 Service Repair Manual

I07299
LOCK
UNLOCK
UNLOCKLOCK
2
11
2
I07300
LOCK
UNLOCK
UNLOCKLOCK
4
343
I12847
21
UNLOCK
LOCK BE-84
- BODY ELECTRICALPOWER DOOR LOCK CONTROL SYSTEM
1688 Author
: Date
:
2001 AVALON (RM808U)
9. Rear LH Door:
INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the door lock link moves to UNLOCK position.
(b) Reverse the polarity and check that the door lock link
moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
10. Rear RH door:
INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
4 and the negative (-) lead to terminal 5, and check that
the door lock link moves to UNLOCK position.
(b) Reverse the polarity and check that the door lock link
moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
11. Using an ammeter:
INSPECT DRIVER'S DOOR PTC THERMISTOR OP-
ERATION
(a) Connect the negative (-) lead from the battery to terminal
2.
(b) Connect the positive (+) lead from the ammeter to termi-
nal 1 and the negative (-) lead to battery positive (+) termi-
nal, and check that the current changes from approxi-
mately 3.2 A to less than 0.5 A within 20 to 70 seconds.

I12848
2
1
LOCK
UNLOCK
I12849
5 6
UNLOCK
I12854
5
6
LOCK
I07307
2
1 UNLOCK
I07308
21 LOCK
- BODY ELECTRICALPOWER DOOR LOCK CONTROL SYSTEM
BE-85
1689 Author
: Date
:
2001 AVALON (RM808U)
(c) Disconnect the leads from terminals.
(d) 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 door lock moves to
the LOCK position.
If operation is not as specified, replace the door lock assembly.
12. Using an ammeter:
INSPECT PASSENGER'S DOOR PTC THERMISTOR
OPERATION
(a) Connect the negative (-) lead from the battery to terminal
6.
(b) Connect the negative (-) lead from the ammeter to termi-
nal 5 and the positive (+) lead to battery positive (+) termi-
nal, and check that the current changes from approxi-
mately 3.2 A to less than 0.5 A within 20 to 70 seconds.
(c) Disconnect the leads from terminals.
(d) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 6 and the negative (-)
lead to terminal 5, and check that the door lock moves to
the LOCK position.
If operation is not as specified, replace the door lock assembly.
13. Using an ammeter:
INSPECT REAR LH DOOR PTC THERMISTOR OP-
ERATION
(a) Connect the negative (-) lead from the battery to terminal
2.
(b) Connect the negative (-) lead from the ammeter to termi-
nal 1 and the positive (+) lead to battery positive (+) termi-
nal, and check that the current changes from approxi-
mately 3.2 A to less than 0.5 A within 20 to 70 seconds.
(c) Disconnect the leads from terminals.
(d) 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 door lock moves to
the LOCK position.
If operation is not as specified, replace the door lock assembly.

I07309
43 UNLOCK
I07310
43 LOCK
I12850
2 1
UNLOCK
I12851
21
LOCK
UNLOCK
I12852
5 6
UNLOCK
BE-86
- BODY ELECTRICALPOWER DOOR LOCK CONTROL SYSTEM
1690 Author
: Date
:
2001 AVALON (RM808U)
14. Using an ammeter:
INSPECT REAR RH PTC THERMISTOR OPERATION
(a) Connect the negative (-) lead from the battery to terminal
4.
(b) Connect the negative (-) lead from the ammeter to termi-
nal 3 and the positive (+) lead to battery positive (+) termi-
nal, and check that the current changes from approxi-
mately 3.2 A to less than 0.5 A within 20 to 70 seconds.
(c) Disconnect the leads from terminals.
(d) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 4 and the negative (-)
lead to terminal 3, and check that the door lock moves to
the LOCK position.
If operation is not as specified, replace the door lock assembly.
15. Using an ammeter with a current-measuring probe:
INSPECT DRIVER'S DOOR PTC THERMISTOR OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2.
(b) Attach a current-measuring probe to either the positive
(+) lead or the negative (-) lead, and check that the cur-
rent changes from approximately 3.2 A to less than 0.5 A
within 20 to 70 seconds.
(c) Disconnect the leads from terminals.
(d) Approximately 60 seconds later, reverse the polarity, and
check that the door lock moves to the LOCK position.
If operation is not as specified, replace the door lock assembly.
16. Using an ammeter with a current-measuring probe:
INSPECT PASSENGER'S DOOR PTC THERMISTOR
OPERATION
(a) Connect the positive (+) lead from the battery to terminal
5 and the negative (-) lead to terminal 6.
(b) Attach a current-measuring probe to either the positive
(+) lead or the negative (-) lead, and check that the cur-
rent changes from approximately 3.2 A to less than 0.5 A
within 20 to 70 seconds.

I12853
5 6
LOCK
I07317
21 UNLOCK
I07308
21 LOCK
I07319
4
3
UNLOCK
I07310
43 LOCK
- BODY ELECTRICALPOWER DOOR LOCK CONTROL SYSTEM
BE-87
1691 Author
: Date
:
2001 AVALON (RM808U)
(c) Disconnect the leads from terminals.
(d) Approximately 60 seconds later, reverse the polarity, and
check that the door lock moves to the LOCK position.
If operation is not as specified, replace the door lock assembly.
17. Using an ammeter with a current-measuring probe:
INSPECT REAR LH DOOR PTC THERMISTOR OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2.
(b) Attach a current-measuring probe to either the positive
(+) lead or the negative (-) lead, and check that the cur-
rent changes from approximately 3.2 A to less than 0.5 A
within 20 to 70 seconds.
(c) Disconnect the leads from terminals.
(d) Approximately 60 seconds later, reverse the polarity, and
check that the door lock moves to the LOCK position.
If operation is not as specified, replace the door lock assembly.
18. Using an ammeter with a current-measuring probe:
INSPECT REAR RH DOOR PTC THERMISTOR OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
3 and the negative (-) lead to terminal 4.
(b) Attach a current-measuring probe to either the positive
(+) lead or the negative (-) lead, and check that the cur-
rent changes from approximately 3.2 A to less than 0.5 A
within 20 to 70 seconds.
(c) Disconnect the leads from terminals.
(d) Approximately 60 seconds later, reverse the polarity, and
check that the door lock moves to the LOCK position.
If operation is not as specified, replace the door lock assembly.

BE0IJ-03
I12855
Driver Side Junction Block

Door No.1 Fuse

Body ECUIgnition Switch
Front Door Lock Assembly

Door Lock Motor

Door Unlock Detection Motor

Door Key Lock and Unlock Switch
Rear Door Lock Assembly

Door Lock Motor

Door Unlock Detection Switch
Power Window Master Switch

Door Lock Control Switch

Driver Door ECU
- BODY ELECTRICALPOWER DOOR LOCK CONTROL SYSTEM
BE-81
1685 Author
: Date
:
2001 AVALON (RM808U)
POWER DOOR LOCK CONTROL SYSTEM
LOCATION

BE1E8-01
I04167
Left/Right Adjustment Switch
Mirror Switch
10
1
BE-1 14
- BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
1718 Author
: Date
:
2001 AVALON (RM808U)
INSPECTION
1. W/O Memory:
INSPECT LEFT SIDE MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
UP3 - 4, 7 - 8Continuity
DOWN3 - 8, 4 - 7Continuity
LEFT4 - 9, 7 - 8Continuity
RIGHT4 - 7, 8 - 9Continuity
2. INSPECT RIGHT SIDE MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
UP2 - 4, 7 - 8Continuity
DOWN2 - 8, 4 - 7Continuity
LEFT4 - 10, 7 - 8Continuity
RIGHT4 - 7, 8 - 10Continuity
If continuity is not as specified, replace the switch.
If continuity is as specified. inspect the switch circuit.
3. W/ Memory:
INSPECT LEFT SIDE MIRROR SWITCH CONTINUITY
Switch positionTester connectionResistance (W)
LEFE8 - 9100
RIGHT8 - 90
Illumination5 - 6Continuity
If continuity as specified, replace the switch.
4. w/ Memory:
INSPECT MIRROR SWITCH RESISTANCE
HINT:

Set the Left/Right abjustment switch to either position on
the left or right.

Measure resistance between terminals 7 and 9 at each
switch position, as shown in the chart.
Switch PositionResistance (W)
UPApprox. 100
RIGHT250
DOWN470
LEFT800
If resistance as specified, replace the switch.

N21376
Wire Harness Side
123 4 56 78910
h-10-1-c
N13659
6
5
I13295
1
2
I13296
1
2
- BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
BE-1 15
1719 Author
: Date
:
2001 AVALON (RM808U)
5. INSPECT MIRROR SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the con-
nector on the wire harness side.
Tester connectionConditionSpecified condition
8 - GroundConstantContinuity
4 - GroundIgnition switch position LOCKNo voltage
4 - GroundIgnition switch position ACC or ONBattery voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
6. INSPECT MIRROR SWITCH INDICATOR LIGHT OP-
ERATION
Connect the positive (+) lead from the battery to terminal 5 and
the negative (-) lead to terminal 6, and check that the indicator
light does not light up, replace the switch.
7. w/o Mirror defogger and driving position memory:
INSPECT MIRROR MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the mirror turns to the left side.
(b) Reverse the polarity, and check that the mirror turns to the
right side.

I13297
12
I13298
12
I13299
12
I13300
12
I13301
42
BE-1 16
- BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
1720 Author
: Date
:
2001 AVALON (RM808U)
(c) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, and check that
the mirror turns upward.
(d) Reverse the polarity, and check that the mirror turns
downward.
If operation is not as specified, replace the mirror assembly.
8. w/ Mirror Defogger:
INSPECT MIRROR MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the mirror turns to the left side.
(b) Reverse the polarity, and check that the mirror turns
downward.
If operation is not as specified, replace the mirror assembly.
(c) Connect the positive (+) lead from the battery to terminal
4 and the negative (-) lead to terminal 2, and check that
the mirror turns upward.

I13302
42
I133037 12
I13304
12
I13305
12
I13306
12
- BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
BE-1 17
1721 Author
: Date
:
2001 AVALON (RM808U)
(d) Reverse the polarity, and check that the mirror turns
downward.
If operation is not as specified, replace the mirror assembly.
9. w/ Driving position memory:
INSPECT MIRROR POSITION MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the mirror turns to the left side.
(b) Reverse the polarity, and check that the mirror turns
downward.
If operation is not as specified, replace the mirror assembly.
(c) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, and check that
the mirror turns upward.
(d) Reverse the polarity, and check that the mirror turns
downward.
If operation is not as specified, replace the mirror assembly.

I13309
9 62
3
7
I13310
9 62
3
7
I13311
8 62
7
1
I13312
8 62
7
1
I07530
SW1 SW2 SET Switch
BE-1 18
- BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
1722 Author
: Date
:
2001 AVALON (RM808U)
10. w/ Driving position memory:
INSPECT MIRROR POSITION SENSORS OPERATION
HINT:
Strip off the vinyl tape of the connector and remove terminals
2, 3, 6, 7 and 9 from the connector housing.
(a) Connect a series of three 1.5 V dry cell batteries.
(b) Connect the positive (+) lead from the dry cell batteries to
terminal 7 and the negative (-) lead to terminal 6.
(c) Connect the positive (+) lead from the voltmeter to termi-
nal 9 and the negative (-) lead to terminal 6.
(d) Apply Battery voltage to terminals 2 and 3, then check
that the voltage gradually changes according to the table
below while the mirror moves between the uppermost
position and lowermost position.
Mirror
positionLowermostMirror
positionUppermost
Voltage2.8 - 5.0Changes
gradually0 - 1.8
If voltage value is not as specified, replace the motor assembly.
(e) Disconnect the 4 leads of the battery and voltmeter.
(f) Connect the positive (+) lead from the voltmeter to termi-
nal 8 and negative (-) lead to terminal 6.
(g) Apply Battery voltage to terminals 2 and 1, then inspect
that the voltage gradually changes according to the table
below while the mirror moves between the left-most posi-
tion and right-most position.
Mirror
positionLeft-mostMirror
positionRight-most
Voltage
LEFT2.8 - 5.0Changes
gradually0 - 1.8
Voltage
RIGHT0 - 1.8Changes
gradually2.8 -5.0
If voltage value is not as specified, replace the motor assembly.
11. INSPECT DRIVING POSITION MEMORY AND RE-
TURN SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
SET switch ON3 - 4Continuity
Return SW1 ON2 - 3Continuity
Return SW2 ON1 - 3Continuity
If continuity is not as specified, replace the switch.