relay TOYOTA AVENSIS 2002 Workshop Manual

01±40
± INTRODUCTIONTERMS
AVENSIS REPAIR MANUAL (RM1018E)Abbreviations Meaning
OEMOriginal Equipment Manufacturing
OHCOverhead Camshaft
OHVOverhead Valve
OPTOption
ORVROn±board Refilling Vapor Recovery
O/SOversize
P & BVProportioning And Bypass Valve
PCSPower Control System
PCVPositive Crankcase Ventilation
PKBParking Brake
PPSProgressive Power Steering
PTCPositive Temperature Coefficient
PSPower Steering
PTOPower Take±Off
P/WPower Window
R & PRack And Pinion
RAMRandom Access Memory
R/BRelay Block
RBSRecirculating Ball Type Steering
R/FReinforcement
RFSRigid Front Suspension
RHRight±Hand
RHDRight±Hand Drive
RLYRelay
ROMRead Only Memory
RrRear
RRSRigid Rear Suspension
RWDRear±Wheel Drive
SDNSedan
SENSensor
SICSStarting Injection Control System
SOCState Of Charge
SOHCSingle Overhead Camshaft
SPECSpecification
SPISingle Point Injection
SRSSupplemental Restraint System
SSMSpecial Service Materials
SSTSpecial Service Tools
STDStandard
STJCold±Start Fuel Injection
SWSwitch
SYSSystem
T/ATransaxle
TACHTachometer
TBIThrottle Body Electronic Fuel Injection
TCTurbocharger
TCCSTOYOTA Computer±Controlled System
TCVTiming Control Valve
TDCTop Dead Center
TEMP.Temperature
TEMSTOYOTA Electronic Modulated Suspension

± INTRODUCTIONTERMS
01±43
AVENSIS REPAIR MANUAL (RM1018E) HO2S
Heated Oxygen SensorHeated Oxygen Sensor (HO2S)
IACIdle Air ControlIdle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature
ICMIgnition Control Module±
IFIIndirect Fuel InjectionIndirect Injection (IDL)
IFSInertia Fuel±Shutoff±
ISCIdle Speed Control±
KSKnock SensorKnock Sensor
MAFMass Air FlowAir Flow Meter
MAPManifold Absolute PressureManifold Pressure Intake Vacuum
MCMixture Control
Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDPManifold Differential Pressure±
MFIMultiport Fuel InjectionElectronic Fuel Injection (EFI)
MILMalfunction Indicator LampCheck Engine Lamp
MSTManifold Surface Temperature±
MVZManifold Vacuum Zone±
NVRAMNon±Volatile Random Access Memory±
O2SOxygen SensorOxygen Sensor, O2 Sensor (O2S)
OBDOn±Board DiagnosticOn±Board Diagnostic System (OBD)
OCOxidation Catalytic ConverterOxidation Catalyst Convert (OC), CCo
OPOpen LoopOpen Loop
PAIRPulsed Secondary Air InjectionAir Suction (AS)
PCMPowertrain Control Module±
PNPPark/Neutral Position±
PROMProgrammable Read Only Memory±
PSPPower Steering Pressure±
PTOXPeriodic Trap OxidizerDiesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAMRandom Access MemoryRandom Access Memory (RAM)
RMRelay Module±
ROMRead Only MemoryRead Only Memory (ROM)
RPMEngine SpeedEngine Speed
SCSuperchargerSupercharger
SCBSupercharger BypassE±ABV
SFISequential Multiport Fuel InjectionElectronic Fuel Injection (EFI), Sequential Injection
SPLSmoke Puff Limiter±
SRIService Reminder Indicator±
SRTSystem Readiness Test±
STScan Tool±
TBThrottle BodyThrottle Body
TBIThrottle Body Fuel InjectionSingle Point Injection
Central Fuel Injection (Ci)
TCTurbochargerTurbocharger
TCCTorque Converter ClutchTorque Converter

650SQ±01
65±2
±
LIGHTING LIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
1. HEADLIGHT SYSTEM
SymptomSuspect AreaSee page
Only one headlamp comes on.
1. Bulb
2. H±LP LL, H±LP RL fuse
3. Light control computer (w/ HID)
4. Harness or connector±
±
±
±
Headlamp does not come on (All).
1. H±LP LL, H±LP RL fuse
2. H±HP relay
3. Headlamp dimmer switch assy
4. Harness or connector
5. Integration relay (w/ Daytime running light system)±
±
65±9 ±
±
ºHI±Beamº does not come on (All).
1. Bulb
2. H±LP HI LH, H±LP HI RH fuse
3. DIM relay (w/ Daytime running light system)
4. Headlamp dimmer switch assy
5. Harness or connector
6. Integration relay (w/ Daytime running light system)±
±
±
65±9 ±
±
ºHI±Beamº does not come on (One side).1. Bulb
2. Harness or connector±
±
ºFlashº does not come on.
(Headlamp and Hi±Beam is normal)1. Headlamp dimmer switch assy
2. Harness or connector
3. Integration relay (w/ Daytime running light system)65±9
±
±
Headlamp is dark.1. Bulb
2. Harness or connector±
±
Tail lamp does not come on (All).
1. TAIL fuse
2. TAIL relay
3. Headlamp dimmer switch assy
4. Harness or connector
5. Integration relay (w/ Daytime running light system)±
±
65±9 ±
±
Only one tail lamp comes on.1. Bulb
2. Harness or connector±
±
Rear combination light does not come on.1. Bulb
2. Harness or connector±
±
Daytime running light system does not operate.
1. Headlamp dimmer switch assy
2. Ignition switch
3. Harness or connector
4. Integration relay65±9±
±
±
2. FOG LAMP SYSTEM
SymptomSuspect AreaSee page
Front fog lamp does not come on with light control switch in TAIL
or HEAD position.
1. FR FOG fuse
2. FR FOG relay
3. Headlamp dimmer switch assy
4. Harness or connector±
±
65±9 ±
Only one front fog lamp does not come on.1. Bulb
2. Harness or connector±
±
Rear fog lamp does not come on with light control switch in HEAD
position.
1. RR FOG fuse
2. RR FOG relay
3. Headlamp dimmer switch assy
4. Harness or connector±
±
65±9 ±
Only one rear fog lamp does not come on.1. Bulb
2. Harness or connector±
±

±
LIGHTING LIGHTING SYSTEM
65±3
AVENSIS REPAIR MANUAL (RM1018E)
3. TURN SIGNAL AND HAZARD WARNING SYSTEM
SymptomSuspect AreaSee page
ºHazardº and ºTurnº do not come on.
1. HAZARD fuse
2. GAUGE2 fuse
3. IG1 relay
4. Ignition switch
5. Turn signal flasher relay
6. Harness or connector±
±
±
±
65±5
±
Hazard warning light does not come on.
(Turn is normal)1. Hazard warning switch
2. Harness or connector65±9±
Turn signal does not come on.
(Hazard is normal)1. Headlamp dimmer switch (turn signal switch)
2. Harness or connector65±9±
Turn signal does not come on in one direction.1. Headlamp dimmer switch (turn signal switch)
2. Harness or connector65±9±
Only one bulb does not come on.1. Bulb
2. Harness or connector±
±
4. ILLUMINATED ENTRY SYSTEM
SymptomSuspect AreaSee page
Illumination lamp of Multiplex body ECU control does not come
on.
1. Ignition switch
2. Door courtesy switch
3. Door lock position switch
4. Harness or connector
5. Integration relay±
65±9
05±1534 ±
±
Illumination lamp of Multiplex body ECU control does not go off.
1. Ignition switch
2. Door courtesy switch
3. Door lock position switch
4. Harness or connector
5. Integration relay±
65±9
05±1534 ±
±
5. HEADLIGHT BEAM LEVEL CONTROL SYSTEM (W/O HID)
SymptomSuspect AreaSee page
Headlight beam level control system does not operate (All).
1. TAIL relay
2. Headlamp leveling switch
3. Harness or connector±
65±9 ±
Headlight beam level control system does not operate (One side).
1. Headlamp leveling switch
2. Headlight beam level control actuator
3. Harness or connector65±9
65±5±
6. HEADLIGHT BEAM LEVEL CONTROL SYSTEM (W/ HID)
SymptomSuspect AreaSee page
Headlight beam level control system does not operate (All).
1. GAUGE2 fuse
2. Ignition switch
3. Speed sensor signal circuit
4. Height control sensor sub±assy
5. Headlamp leveling ECU assy
6. Harness or connector±
±
±
65±9
65±5 ±
Headlight beam level control system does not operate (One side).
1. Headlamp leveling ECU assy
2. Headlight beam level control actuator
3. Harness or connector65±5
65±5±
Beam level warning light comes on.
1. Height control sensor sub±assy
2. Headlamp leveling ECU assy
3. Harness or connector65±9
65±5±

65±4
± LIGHTINGLIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
7. OTHERS
SymptomSuspect AreaSee page
Vanity light does not operate.1. Bulb
2. Harness s or connector±
±
Instrument panel illumination does not operate (All).
1. TAIL relay
2. PANEL fuse
3. Harness or connector
4. Integration relay (w/ DRL)±
±
±
±
Stop light does not operate (All).
1. STOP fuse
2. Stop light switch
3. Harness or connector±
±
±
Back up lamp does not come on (All).
1. GAUGE fuse
2. IG1 relay
3. Back up lamp switch assy (M/T)
4. Park/neutral position switch (A/T)
5. Harness or connector±
±
±
±
±

I30905
I30905
E64835
65±10
± LIGHTINGLIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(b) Inspect illumination operation.
(1) Connect the positive (+) lead from the battery to the
terminal 8 and negative (±) lead to the terminal 9,
then check that the illumination comes on.
3. FRONT DOOR COURTESY LAMP SWITCH ASSY
(a) Check that there is continuity between the terminal and the switch body when the switch is operated.
Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
4. REAR DOOR COURTESY LAMP SWITCH ASSY
(a) Check that there is continuity between the terminal and the switch body when the switch is operated.
Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
5. BACK DOOR LOCK ASSY (WAGON MODELS)
(a) Inspect back door courtesy lamp switch operation.
(1) Check that there is continuity between the terminal
1 and the terminal 2 when the back door is open and
closed.
Standard:
Back door is open: No continuity
Back door is closed: Continuity
6. BACK DOOR LOCK ASSY (LIFTBACK MODELS)
(a) Inspect back door courtesy lamp switch operation.
(1) Check that there is continuity between the terminal
1 and the terminal 2 when the back door is open and
closed.
Standard:
Back door is open: No continuity
Back door is closed: Continuity
7. HEADLAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity

B16200
B16200
B16200
E64835
E68131
± LIGHTINGLIGHTING SYSTEM
65±11
AVENSIS REPAIR MANUAL (RM1018E)
8. TAIL LAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
9. FOG LAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
10. REAR FOG LAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
11. RUNNING LIGHT RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
12. TRANSPONDER KEY AMPLIFIER
(a) Inspect key cylinder operation.
(1) Connect the battery positive (+) lead to the terminal
2 and the battery negative (±) lead to the terminal
6, and check that the indicator light comes on.

720JF±01
B67299
LHD Models
RHD ModelsInstrument Panel J/B Assy

SEAT HTR Relay

S±HTR Fuse
Instrument Panel J/B Assy

SEAT HTR Relay

S±HTR Fuse
72±34
± SEATSEAT HEATER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
SEAT HEATER SYSTEM
LOCATION

720JG±01
72±36
±
SEAT SEAT HEATER SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
SymptomSuspected AreaSee Page
Seat heaters do not operate
(Seat is not warmed up)
1. SEAT HTR relay
2. S±HTR fuse
3. Seat heater switch
4. Seat heater control sub±assy LH
5. Seat heater control sub±assy RH
6. Front seat cushion heater assy LH
7. Front seat cushion heater assy RH
8. Front seatback heater assy LH
9. Front seatback heater assy RH
10.Wire harness72±34
72±37
72±34
72±34
72±37
72±34
72±34
72±34
72±37
72±34
72±37
72±34
72±37
72±34
72±37

Temperature of seat heater cannot be adjusted
1. Seat heater switch
2. Seat heater control sub±assy LH
3. Seat heater control sub±assy RH
4. Wire harness72±34
72±37
72±34
72±34

B70436
12
B70436
12
1 2
B68349
AB
1 2
B68349
AB
B68374
21
5
3
± SEATSEAT HEATER SYSTEM
72±39
AVENSIS REPAIR MANUAL (RM1018E)
3. INSPECT SEPARATE TYPE FRONT SEATBACK COV-
ER LH
(a) Check the resistance of the seatback heater.
Tester ConnectionSpecified Condition
1 ± 2Below 1 
If the result is not as specified, replace the seatback cover.
4. INSPECT SEPARATE TYPE FRONT SEATBACK COV-
ER RH
(a) Check the resistance of the seatback heater.
Tester ConnectionSpecified Condition
1 ± 2Below 1 
If the result is not as specified, replace the seatback cover.
5. INSPECT SEPARATE TYPE FRONT SEAT CUSHION
COVER LH
(a) Check the resistance of the seat cushion heater.
Tester ConnectionSpecified Condition
A±1 ± B±1
A±2 ± A±3Below 1 
A±4 ± B±2
If the result is not as specified, replace the seat cushion cover.
6. INSPECT SEPARATE TYPE FRONT SEAT CUSHION
COVER RH
(a) Check the resistance of the seat cushion heater.
Tester ConnectionSpecified Condition
A±1 ± B±1
A±2 ± A±3Below 1 
A±4 ± B±2
If the result is not as specified, replace the seat cushion cover.
7. INSPECT RELAY (SEAT HTR)
(a) Check the resistance of the relay.
Standard:
Tester ConnectionSpecified Condition
10 kor higher
3 ± 5Below 1 
(When battery voltage is applied to terminals 1 and 2)
If the result is not as specified, replace the relay.