1999 TOYOTA CAMRY ECU

INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMS ±
IN±6
GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE±J1930 terms and abbreviations used in this manual in compliance with SAE
recommendations, as well as their Toyota equivalents.
SAE
ABBREVIATIONSSAE TERMSTOYOTA TERMS
( )±±ABBREVIATIONS
A/CAir ConditioningAir Conditioner
ACLAir CleanerAir Cleaner
AIRSecondary Air InjectionAir Injection (AI)
APAccelerator Pedal±
B+Battery Positive Voltage+B, Battery Voltage
BAROBarometric Pressure±
CACCharge Air CoolerIntercooler
CARBCarburetorCarburetor
CFIContinuous Fuel Injection±
CKPCrankshaft PositionCrank Angle
CLClosed LoopClosed Loop
CMPCamshaft PositionCam Angle
CPPClutch Pedal Position±
CTOXContinuous Trap Oxidizer±
CTPClosed Throttle Position±
DFIDirect Fuel Injection (Diesel)Direct Injection (DI)
DIDistributor Ignition±
DLC1
DLC2
DLC3Data Link Connector 1
Data Link Connector 2
Data Link Connector 31: Check Connector
2: Toyota Diagnosis Communication Link (TDCL)
3: OBD@@@@@: [g 2] Diagnostic Connector
DTCDiagnostic Trouble CodeDiagnostic Code
DTMDiagnostic Test Mode±
ECLEngine Control Level±
ECMEngine Control ModuleEngine ECU (Electronic Control Unit)
ECTEngine Coolant TemperatureCoolant Temperature, Water Temperature (THW)
EEPROMElectrically Erasable Programmable Read Only
MemoryElectrically Erasable Programmable Read Only Memory
(EEPROM),
Erasable Programmable Read Only Memory(EPROM)
EFEEarly Fuel EvaporationCold Mixture Heater (CMH), Heat Control Valve (HCV)
EGRExhaust Gas RecirculationExhaust Gas Recirculation (EGR)
EIElectronic IgnitionToyota Distributorless Ignition (TDI)
EMEngine ModificationEngine Modification (EM)
EPROMErasable Programmable Read Only MemoryProgrammable Read Only Memory (PROM)
EVAPEvaporative EmissionEvaporative Emission Control (EVAP)
FCFan Control±
FEEPROMFlash Electrically Erasable Programmable
Read Only Memory±
FEPROMFlash Erasable Programmable Read Only Memory±
FFFlexible Fuel±
FPFuel PumpFuel Pump
GENGeneratorAlternator
GNDGroundGround (GND)
HO2SHeated Oxygen SensorHeated Oxygen Sensor (HO2S)
IN016±02

INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMS ±
IN±7
IACIdle Air ControlIdle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature
ICMIgnition Control Module±
IFIIndirect Fuel InjectionIndirect Injection
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 Light
MSTManifold Surface Temperature±
MVZManifold Vacuum Zone±
NVRAMNon±Volatile Random Access Memory±
O2SOxygen SensorOxygen Sensor, O2 Sensor (O2S)
OBDOn±Board DiagnosticOn±Board Diagnostic (OBD)
OCOxidation Catalytic ConverterOxidation Catalyst Converter (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 Bypass±
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
TCMTransmission Control ModuleTransmission ECU (Electronic Control Unit)
TPThrottle PositionThrottle Position
TRTransmission Range±

AUTOMATIC TRANSAXLEVALVE BODY ±
AX±82
4. PLACE UPPER VALVE BODY WITH PLATE AND GAS-
KETS ON LOWER VALVE BODY
Hold the upper valve body, plate and gaskets securely so
they do not separate.
Align each bolt hole in the valve bodies with the gaskets
and plate.
5. INSTALL AND FINGER TIGHTEN BOLTS IN UPPER
VALVE BODY TO SECURE LOWER VALVE BODY
Install and finger tighten the 3 bolts.
HINT: Each bolt length is indicated below.
Bolt length:
Bolt A: 44 mm (1.732 in.)
Bolt B: 16 mm (0.630 in.)
6. INSTALL NO.2 LOWER VALVE BODY COVER GAS-
KETS, PLATE AND 3 CHECK BALLS
(a) Install the 3 check balls into the No.2 lower valve body
cover.

± BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE±3
2223 Author: Date:
HEADLIGHT AND TAILLIGHT SYSTEM (CANADA)
SymptomSuspect AreaSee page
Headlight does not light.
(Taillight is normal)1. Wire Harness±
Headlight does not light.
(Taillight does not light up)1. Wire Harness±
Only one side light does not light.
1. Headlight Bulb
2. HEAD LO (LH, RH) Fuse (E/G Room R/B No.2)
3. Wire Harness±
±
±
ºLo±Beamº does not light.
1. Headlight Bulb
2. HEAD LO (LH, RH) Fuse (E/G Room R/B No.2)
3. Headlight Control Relay (E/G Room J/B No.2)
4. Integration Relay (I/P J/B No.1)
5. Light Control Switch
6. Wire Harness±
±
BE±24
BE±14
BE±24
±
ºHi±Beamº does not light.
1. Headlight Bulb
2. ECU±B Fuse (E/G Room J/B No.2)
3. HEAD HI (LH, RH) Fuse (E/G Room J/B No.2)
4. DRL Fuse (E/G Room R/B No.2)
5. Daytime Running Light Relay No.2
(E/G Room R/B No.2)
6. Daytime Running Light Relay No.3
(E/G Room R/B No.2)
7. Daytime Running Light Relay No.4
(E/G Room R/B No.2)
8. Daytime Running Light Relay (Main)
9. Headlight Dimmer Switch
10.Wire Harness±
±
±
±
±
BE±24
±
BE±24
±
BE±24
BE±24
BE±24
±
ºFlashº does not light.
1. Headlight Bulb
2. ECU±B Fuse (E/G Room J/B No.2)
3. HEAD HI (LH, RH) Fuse (E/G Room J/B No.2)
4. DRL Fuse (E/G Room R/B No.2)
5. Daytime Running Light Relay No.2
(E/G Room R/B No.2)
6. Daytime Running Light Relay No.3
(E/G Room R/B No.2)
7. Daytime Running Light Relay No.4
(E/G Room R/B No.2)
8. Daytime Running Light Relay (Main)
9. Headlight Dimmer Switch
10.Wire Harness±
±
±
±
±
BE±24
±
BE±24
±
BE±24
BE±24
BE±24
±
ºAuto Turn±off Systemº does not operate.
1. GAUGE Fuse (I/P J/B No.1)
2. DOME Fuse (E/G Room J/B No.2)
3. Integration Relay (I/P J/B No.2)
4. Door Courtesy Switch (Driver's)
5. Ignition Switch
6. Wire Harness±
±
BE±14
BE±24
BE±14
±
Headlight does not light with engine running and light control SW
OFF.
1. Headlight Bulb
2. ECU±B Fuse (E/G Room J/B No.2)
3. GAUGE Fuse (I/P J/B No.1)
4. HEAD HI (LH, RH) Fuse (E/G Room J/B No.2)
5. Daytime Running Light Relay (Main)
6. Wire Harness
7. Other Parts*±
±
±
±
BE±24
±
±

BE±6
± BODY ELECTRICALBODY ELECTRICAL SYSTEM
2226 Author: Date:
Washer fluid does not operate.1. Washer Hose and Nozzle±

In wiper switch HI 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. *1Wiper Switch
2. Wire HarnessBE±40
±
COMBINATION METER
METER, GAUGES AND ILLUMINATION:
SymptomSuspect AreaSee page
Tachometer, Fuel Gauge and Engine Coolant Temperature Gauge
do not operate.1. GAUGE Fuse (I/P J/B No.1)
2. Meter Circuit Plate
3. Wire Harness±
BE±46
±
Speedometer does not operate.
1. No.1 Vehicle Speed Sensor
2. Meter Circuit Plate
3. Wire HarnessBE±47
BE±46
±
Tachometer does not operate.
1. Igniter (5S±FE)
(1MZ±FE)
2. Meter Circuit Plate
3. Wire HarnessIG±1
IG±1
BE±46
±
Fuel Gauge does not operate or abnormal operation.
1. Fuel Receiver Gauge
2. Fuel Sender Gauge
3. Meter Circuit Plate
4. Wire HarnessBE±47
BE±47
BE±46
±
Engine Coolant Temperature Gauge does not operate or abnormal
operation
1. Engine Coolant Temperature Receiver Gauge
2. Engine Coolant Temperature Sender Gauge
3. Meter Circuit Plate
4. Wire HarnessBE±47
BE±47
BE±46
±
All illumination lights do not light up.
1. TAIL Fuse (I/P J/B No.1)
2. Light Control Rheostat
3. Wire Harness±
BE±47
±
Brightness does not change even when rheostat turned.1. Bulb
2. Wire Harness±
±
Only one illumination light does not light up.1. Bulb
2. Wire Harness±
±
COMBINATION METER
WARNING LIGHTS:
SymptomSuspect AreaSee page
Warning lights do not light up. (Except Discharge, Open Door and
SRS)1. GAUGE Fuse (I/P J/B No.1)
2. Meter Circuit Plate
3. Wire Harness±
BE±46
±
Low Oil Pressure warning light does not light up.
1. Bulb
2. Low Oil Pressure Warning Switch
3. Meter Circuit Plate
4. Wire Harness±
BE±47
BE±46
±
Fuel Level warning light does not light up.
1. Bulb
2. Fuel Level Warning Switch
3. Meter Circuit Plate
4. Wire Harness±
BE±47
BE±46
±
ABS warning light does not light up.
1. Bulb
2. ABS ECU
3. Wire Harness±
IN±31
±

± BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE±7
2227 Author: Date:
Seat Belt warning light does not light up.
1. Bulb
2. Seat Belt Buckle Switch
3. Integration Relay (I/P J/B No.1)
4. Wire Harness±
BE±47
BE±47
±
Discharge warning light does not light up.
1. IGN Fuse (I/P J/B No.1)
2. Bulb
3. Wire Harness
4. Generator (5S±FE)
(1MZ±FE)±
±
±
CH±1
CH±1
Light Failure warning light does not light up.
1. Bulb
2. Light Failure Sensor
3. Bulb Check Relay
4. Wire Harness
5. Taillight system±
BE±37
BE±47
±
BE±24
Brake warning light does not light up.
1. Bulb
2. Parking Brake Switch
3. Brake Fluid Level Warning Switch
4. Bulb Check Relay
5. Meter Circuit Plate
6. Wire Harness±
BE±47
BE±47
BE±47
BE±46
±
SRS Warning light does not light up.
1. ECU±B Fuse (E/G Room J/B No.2)
2. Bulb
3. Airbag Sensor Assembly
4. Meter Circuit Plate
5. Wire Harness±
±
DI±626
BE±46
±
Open Door warning light does not light up.
1. DOME Fuse (E/G Room J/B No.2)
2. Bulb
3. Door Courtesy Switch
4. Meter Circuit Plate
5. Wire Harness±
±
BE±32
BE±46
±
Washer Level warning light does not light up.
1. Bulb
2. Washer Fluid Level Warning Switch
3. Meter Circuit Plate
4. Wire Harness±
BE±47
BE±46
±
COMBINATION METER
INDICATOR LIGHTS:
SymptomSuspect AreaSee page
O/D OFF indicator light does not light up.
1. Bulb
2. O/D OFF Switch (A140E)
(A541E)
3. Meter Circuit Plate
4. Wire Harness±
DI±431
DI±487
BE±46
±
Cruise Control indicator light does not light up.
1. Bulb
2. Cruise Control ECU
3. Meter Circuit Plate
4. Wire Harness±
IN±31
BE±46
±
High beam indicator light does not light up.
1. Bulb
2. Meter Circuit Plate
3. Wire Harness
4. Headlight System±
BE±46
±
BE±22
Turn indicator light does not light up.
1. Bulb
2. Meter Circuit Plate
3. Wire Harness
4. Turn Signal and Hazard Warning System±
BE±46
±
BE±29

BE±8
± BODY ELECTRICALBODY ELECTRICAL SYSTEM
2228 Author: Date:
Shift indicator lights do not light up.
1. Bulb
2. Meter Circuit Plate
3. Park/Neutral Position Switch (A140E)
(A541E)
4. Wire Harness±
BE±46
DI±424
DI±479
±
Only one shift indicator does not light up.1. Bulb
2. Meter Circuit Plate±
BE±46
Malfunction indicator light does not light up.
1. Bulb
2. ECM
3. Meter Circuit Plate
4. Wire Harness±
±
BE±46
±
SLIP indicator light does not light up.
1. Bulb
2. Traction ECU
3. Meter Circuit Plate
4. Wire Harness±
±
BE±46
±
TRAC OFF indicator light does not light up.
1. Bulb
2. Traction ECU
3. Meter Circuit Plate
4. Wire Harness±
±
BE±46
±
Security indicator light does not light up.
1. Bulb
2. Security ECU
3. Meter Circuit Plate
4. Wire Harness±
±
BE±46
±
Indicator lights do not light up. (Except Turn, Hi±beam and
security)1. GAUGE Fuse (I/P J/B No.1)
2. Wire Harness±
±
DEFOGGER SYSTEM
SymptomSuspect AreaSee page
All defogger systems do not operate.
1. DEFOG M±Fuse (I/P J/B No.1)
2. HTR Fuse (I/P J/B No.1)
3. Defogger Relay (I/P J/B No.1)
4. Defogger Switch
5. Wire Harness±
±
BE±56
BE±56
±
Rear window defogger does not operate.
1. Defogger Wire
2. Choke Coil
3. Wire HarnessBE±56
±
±
Mirror defogger does not operate.
1. MIR/HTR Fuse (I/P J/B No.1)
2. Mirror Defogger
3. Wire Harness±
BE±56
±
POWER WINDOW CONTROL SYSTEM
SymptomSuspect AreaSee page
Power window does not operate (ALL).
(Power Door Lock does not operate)1. POWER M±Fuse (I/P J/B No.1)
2. Power Main Relay (I/P J/B No.1)
3. Wire Harness±
BE±60
±
Power window does not operate (ALL).
(Power Door Lock is normal)1. Ignition Switch
2. Power Window Master Switch
3. Wire HarnessBE±14
BE±60
±
ºOne Touch Power Window Systemº does not operate.1. Power Window Master SwitchBE±60
Only one window glass does not move.
1. Power Window Master Switch
2. Power Window Switch
3. Power Window Motor
4. Wire HarnessBE±60
BE±60
BE±60
±
ºWindow Lock Systemº does not operate.1. Power Window Master SwitchBE±60

BE0A4±02
I08436
Daytime ResisterE/G Room J/B No.2

HEAD LH Fuse (USA)

HEAD RH Fuse (USA)

HEAD LH (UPR) Fuse (CANADA)

HEAD RH (UPR) Fuse (CANADA)

DOME Fuse

ECU±B Fuse

Headlight Control Relay
E/G Room R/B No.2 (CANADA)

HEAD LH (LWR) Fuse

HEAD RH (LWR) Fuse

DRL No.2 Fuse

Daytime Running Light Relay No.4
Headlight
Instrument Panel J/B No.1

GAUGE Fuse

TAIL Fuse

Taillight Control Relay

Integration Relay
Daytime Running
Light RelayIgnition Switch
Combination Switch

Light Control Switch

Headlight Dimmer Switch
Door Courtesy Switch
Light Failure Sensor
Taillight
Automatic Light
Control Sensor
BE±22
± BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
2242 Author: Date:
HEADLIGHT AND TAILLIGHT SYSTEM
LOCATION