2002 TOYOTA AVENSIS relay

B66773
DADBDN
Vehicle Front Side Vehicle Rear Side
DB
DA
DHDC
DN
DC
DH
Integration Relay
± WINDSHIELD/WINDOWGLASS/MIRRORPOWER WINDOW CONTROL SYSTEM
70±11
AVENSIS REPAIR MANUAL (RM1018E)
8. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSY (INTEGRATION RELAY)

B58556
Front Door
Courtesy Lamp
Switch
Pushed Free
Body Ground
70±12
± WINDSHIELD/WINDOWGLASS/MIRRORPOWER WINDOW CONTROL SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(a) Disconnect the DA, DB, DC, DH and DN J/B connectors.
(b) Check the voltage and resistance between each terminal of the wire harness side connectors and the
body ground.
Standard:
Tester ConnectionConditionSpecified Condition
DA±8 ± Body groundNo key inserted in ignition key cylinder
Ye s10 k
or higher
Below 1

DA±9 ± Body groundConstantBelow 1

B±13 ± Body groundDriver side door CLOSED
OPEN10 k
or higher
Below 1

DC±9 ± Body groundPassenger side door CLOSED
OPEN10 k
or higher
Below 1

DH±5 ± Body groundIgnition switch ON
Others10 to 14 V
0 V
DN±1 ± Body groundConstant10 to 14 V
If the result is not as specified, there may be a malfunction on the wire harness side or the J/B assy (integra-
tion relay) may have a malfunction.
(c) Reconnect the DA, DB, DC, DH and DN J/B connectors.
(d) Check the voltage of terminal 5 of the DH connector.
Standard:
Tester ConnectionConditionSpecified Condition
DH±5 ± Body groundIgnition switch ON
Others10 to 14 V
0 V
If the result is not as specified, there may be a malfunction on the wire harness side or the J/B assy (integra-
tion relay) may have a malfunction.
9. INSPECT FRONT DOOR COURTESY LAMP SWITCH
ASSY
(a) Remove the courtesy lamp switch.
(b) Check the switch resistance.
Standard:
Tester ConnectionSwitch PositionSpecified Condition
1 Body groundSwitch pushed10 k
or higher1 ± Body groundSwitch freeBelow 1

If the result is not as specified, replace the switch assy.

700TB±01
B67064
LHD Models
Defogger Wire
Liftback
Wagon
Defogger Wire
Defogger Wire
Hazard Warning Signal Switch Assy w/ Deicer:
FR DEICER Relay
Fuse Block Assy
w/ Deicer:
FR DIC Fuse
w/ Mirror Heater:
MIR HTR Fuse
Passenger Side R/B Assy
w/ Mirror Heater:
Outer Rear View Mirror Assy RH
w/ Mirror Heater:
Outer Rear View
Mirror Assy LH
Rear Window
Defogger Relay
70±46
± WINDSHIELD/WINDOWGLASS/MIRRORWINDOW DEFOGGER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
WINDOW DEFOGGER SYSTEM
LOCATION

B67246
RHD Models
Defogger Wire
Liftback
Wagon
Defogger Wire Defogger Wire
Hazard Warning Signal Switch Assy
Passenger Side R/B Assy
w/ Deicer:
FR DEICER Relay
Fuse Block Assy
w/ Deicer:
FR DIC Fuse w/ Mirror Heater:
Outer Rear View Mirror Assy RH
w/ Mirror Heater:
Outer Rear View Mirror Assy LH
w/ Mirror Heater:
MIR HTR Fuse
Rear Window
Defogger Relay
± WINDSHIELD/WINDOWGLASS/MIRRORWINDOW DEFOGGER SYSTEM
70±47
AVENSIS REPAIR MANUAL (RM1018E)

700TC±01
±
WINDSHIELD/WINDOWGLASS/MIRROR WINDOW DEFOGGER SYSTEM
70±49
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
SymptomSuspected AreaSee Page
w/ Deicer:
Front window deicer doos not operate.
(indicator lamp ON)1. FR DIC fuse
2. FR DICER relay
3. Front window deicer wire
4. wire harness68±1
70±50



w/ Deicer:
Front window deicer doos not operate.
(indicator lamp OFF)
1. FR DIC fuse
2. FR DICER relay
3. Front window deicer wire
4. Front wiper deicer switch
5. Wire harness68±1
70±50
70±50



Rear window defogger does not operate
(Indicator lamp ON)
1. RR DEF H±fuse
2. Rear window defogger relay
3. Rear window defogger wire
4. wire harness68±1
70±50



Rear window defogger does not operate
(Indicator lamp OFF)
1. RR DEF H±fuse
2. Rear window defogger relay
3. Hazard warning signal switch assy
4. Rear window defogger wire
5. Wire harness68±1
70±50
70±50




w/ Mirror Heater:
Mirror heater does not operate
(Indicator lamp ON)1. MIR HTR fuse
2. Outer rear view mirror assy
3. Wire harness68±1
70±50


w/ Mirror Heater:
Mirror heater does not operate
(Indicator lamp OFF)
1. MIR HTR fuse
2. Front wiper deicer switch (w/ Front wiper deicer switch)
3. Hazard warning signal switch assy (w/o front wiper deicer switch)
4. Outer rear view mirror assy
5. Wire harness68±1
70±50
70±50
70±50

B63722
Repair Point
Broken
Wire
Masking Tape
B63723
B68374
1 2
35
B68374
1 2
35
70±54
± WINDSHIELD/WINDOWGLASS/MIRRORWINDOW DEFOGGER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(h) If necessary, repair the defogger wire.
(1) Clean the broken wire tips with grease, wax and sili-
cone remover.
(2) Place the masking tape along the both sides of the
wire.
(3) Thoroughly mix the repair agent (Dupont paste No.
4817).
(4) Using a fine tip brush, apply a small amount of the
agent to the wire.
(5) After a few minutes, remove the masking tape.
NOTICE:
Do not repair the defogger wire again for at least 24 hours.
8. INSPECT FR WIPER DEICER RELAY (W/ DEICER)
(a) Inspect the resistance.
Standard:
Terminal Connection.Specified Condition
10 k
or higher10 k
or higher
3 ± 5Below 1

(When battery voltage is applied to terminals 1 and 2)
If the result is not as specified, replace the relay.
9. INSPECT DEFOGGER RELAY
(a) Inspect the resistance.
Standard:
Terminal No.Specified Condition
10 k
or higher10 k
or higher
3 ± 5Below 1

(When battery voltage is applied to terminals 1 and 2)
If the result is not as specified, replace the relay.

660CK±01
66±2
±
WIPER & WASHER WIPER AND WASHER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
1.FRONT WIPER AND WASHER SYSTEM (W/O AUTO WIPER SYSTEM)
SymptomSuspect AreaSee page
Front wipers and washers do not operate.
1. IG relay
2. WIP fuse
3. Windshield wiper switch assy
4. Wire harness or connector±
±
66±6 ±
Front wipers do not operate in LO or HI.
1. Windshield wiper switch assy
2. Windshield wiper motor assy
3. Wire harness or connector66±6
66±6±
Front wipers do not operate in INT.
1. Windshield wiper switch assy
2. Windshield wiper motor assy
3. Wire harness or connector66±6
66±6±
Front washer motor does not operate.
1 Windshield washer switch assy
2. Windshield washer motor assy
3. Wire harness or connector66±6
66±6±
Front wipers does not operate when washer switch in ON.
1. Windshield wiper switch assy
2. Windshield wiper motor assy
3. Wire harness or connector66±6
66±6±
Washer fluid does not operate.Washer hose and nozzle±

When front wiper switch is in HI position, the wiper blade is in
contact with the body.

When the front wiper switch is OFF, the wiper blade does not
retract or the retract position is wrong.
1. Windshield wiper motor assy
2. Front wiper arm installation position66±6
66±13
2. FRONT WIPER AND WASHER SYSTEM (W/ AUTO WIPER SYSTEM)
SymptomSuspect AreaSee page
Front wipers and washer do not operate.
1. IG1 relay
2. WIP fuse
3. Windshield wiper switch assy
4. Windshield wiper relay assy
5. Wire harness or connector±
±
66±6
66±6 ±
Front wipers does not operate in LO
(Auto wiper system is normal).Windshield wiper switch assy66±6
Front wipers does not operate in HI
(Auto wiper system is normal).1. Windshield wiper switch assy
2. Wire harness or connector66±6
±
Front washer motor does not operate.
1. Windshield wiper switch assy
2. Windshield washer motor assy
3. Wire harness or connector66±6
66±6±
Auto wiper system does not operate.
1. Windshield wiper switch assy
2. Windshield wiper relay assy
3. Rain sensor
4. Wire harness or connector66±6
66±6
66±4±

±
WIPER & WASHER WIPER AND WASHER SYSTEM
66±3
AVENSIS REPAIR MANUAL (RM1018E)
3. REAR WIPER AND WASHER SYSTEM
SymptomSuspect AreaSee page
Rear wiper and washers do not operate.
1. AMI fuse
2. RR WIP fuse
3. Windshield wiper switch assy
4. Wire harness or connector±
±
66±6 ±
Rear wiper does not operate in INT.
1. Windshield wiper switch assy
2. Rear wiper motor assy
3. Wire harness or connector66±6
66±6±
Rear washer motor does not operate.
1. Windshield washer switch assy
2. Rear washer motor assy
3. Wire harness or connector66±6
66±6±
Rear wiper does not operate when washer switch is in ON.
1. Windshield wiper switch assy
2. Rear wiper motor assy
3. Wire harness or connector66±6
66±6±
Rear washer fluid does not operate.Washer hose and nozzle±

When rear wiper switch is in ON position, the wiper blade is in
contact with the body.

When the wiper switch is OFF, the wiper blade does not retract
or the retract position is wrong.
1. Rear wiper motor assy
2. Rear wiper blade installation position66±6
66±17
4. HEADLAMP CLEANER SYSTEM
SymptomSuspect AreaSee page
Headlamp cleaner system does not operate.
1. H/CLN fuse
2. Headlamp cleaner switch assy
3. Windshield wiper switch assy (w/ HID)
4. Headlamp cleaner control relay
5. Intergeneration Relay
6. Wire harness or connector±
66±6
66±6
66±6 ±
±