1997 TOYOTA SUPRA relay

BE0DM-02
BE-2
- BODY ELECTRICALBODY ELECTRICAL SYSTEM
1980 Author
: Date
:
1997 SUPRA (RM502U)
PROBLEM SYMPTOMS TABLE
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
SymptomSuspect AreaSee page
Ignition switch is not set to each position.1. Ignition SwitchBE-13
ºKey unlock warning systemº does not operate.
1. GAUGE Fuse (J/B No.1)
2. Key Unlock Warning Switch
3. Door Courtesy Switch
4. Wire Harness
BE-13
BE-28
USA:
HEADLIGHT AND TAILLIGHT SYSTEM
SymptomSuspect AreaSee page
Headlight does not light. (Taillight is normal)
1. Headlight Bulb
2. HEAD (LH, RH) Fuse (R/B No.2)
3. Headlight Control Relay (R/B No.2)
4. Integration Relay
5. Headlight Dimmer Switch
6. Light Control Switch
7. Wire Harness
BE-17
BE-13
BE-17
BE-17
Headlight does not light. (Taillight does not light up)
1. Headlight Bulb
2. Integration Relay
3. Light Control Switch
4. Wire Harness
BE-13
BE-17
Only one side light does not light.
1. Headlight Bulb
2. HEAD (LH, RH) Fuse (R/B No.2)
3. Wire Harness
ºLo-Beamº does not light.1. Headlight Dimmer Switch
2. Wire HarnessBE-17
ºHi-Beamº does not light.1. Headlight Dimmer Switch
2. Wire HarnessBE-17
ºFlashº does not light.1. Headlight Dimmer Switch
2. Wire HarnessBE-17

- BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE-3
1981 Author
: Date
:
1997 SUPRA (RM502U)
CANADA:
HEADLIGHT AND TAILLIGHT SYSTEM
SymptomSuspect AreaSee page
Headlight does not light. (Taillight is normal)
1. Headlight Bulb
2. Headlight Control Relay (R/B No.2)
3. D.R.L. Relay
4. D.R.L. No.2 Relay (R/B No.2)
5. D.R.L. No.3 Relay
6. Integration Relay
7. Headlight Dimmer Switch
8. Light Control Switch
9. Wire Harness
BE-17
BE-17
BE-17
BE-17
BE-13
BE-17
BE-17
Headlight does not light.
(Taillight does not light up)
1. D.R.L. Relay
2. D.R.L. No.2 Relay (R/B No.2)
3. D.R.L. No.3 Relay
4. Integration Relay
5. Light Control Switch
6. Wire HarnessBE-17
BE-17
BE-17
BE-13
BE-17
Only one side light does not light.1. Headlight Bulb
2. Wire Harness
ºLo-Beamº does not light (ALL).1. Headlight Control Relay (R/B No.2)
2. Wire HarnessBE-17
ºLo-Beamº does not light (ONE SIDE).
1. Headlight Bulb
2. HEAD LH-LWR Fuse (R/B No.2)
3. HEAD RH-LWR Fuse (R/B No.2)
4. Wire Harness
ºHi-Beamº does not light (ALL).
1. D.R.L. Relay
2. D.R.L. No.2 Relay (R/B No.2)
3. D.R.L. No.3 Relay
4. Headlight Dimmer Switch
5. Wire HarnessBE-17
BE-17
BE-17
BE-17
ºHi-Beamº does not light (ONE SIDE).
1. Headlight Bulb
2. HEAD LH-UPR Fuse (R/B No.2)
3. HEAD RH-UPR Fuse (R/B No.2)
4. Wire Harness
ºFlashº does not light.
1. D.R.L. Relay
2. D.R.L. No.2 Relay (R/B No.2)
3. D.R.L. No.3 Relay
4. Headlight Dimmer Switch
5. Wire HarnessBE-17
BE-17
BE-17
BE-17
ºAuto Turn-of f Systemº dose not operate.
1. GAUGE Fuse (J/B No.1)
2. Integration Relay
3. Door Courtesy Switch (Driver's)
4. Wire Harness
BE-13
BE-28
Headlight does not light with light control SW in HEAD.
1. Integration Relay
2. D.R.L. Relay
3. D.R.L. No.2 Relay (R/B No.2)
4. D.R.L. No.3 Relay
5. Light Control Switch
6. Wire HarnessBE-13
BE-17
BE-17
BE-17
BE-17
Headlight does not go out with light control SW in OFF.1. Headlight Control Relay (R/B No.2)
2. Wire HarnessBE-17

BE-4
- BODY ELECTRICALBODY ELECTRICAL SYSTEM
1982 Author
: Date
:
1997 SUPRA (RM502U) Taillight does not light with light control SW in TAIL.
1. Taillight Relay (J/B No.1)
2. Integration Relay
3. Light Control Switch
4. Wire HarnessBE-17
BE-13
BE-17
Taillight does not go out with light control SW in OFF.
1. Taillight Relay (J/B No.1)
2. Integration Relay
3. Light Control switch
4. Wire HarnessBE-17
BE-13
BE-17
Headlight and Taillight do not light with engine running and light
control SW in OFF.
1. GAUGE Fuse (J/B No.1)
2. Generator L Terminal
3. D.R.L. Relay
4. D.R.L. No.2 Relay (R/B No.2)
5. D.R.L. No.3 Relay
6. Parking Brake Switch
7. Wire Harness
BE-17
BE-17
BE-17
BE-43
FOG LIGHT SYSTEM
SymptomSuspect AreaSee page
Fog light does not light with light control SW HEAD.
(Headlight is normal.)
1. FOG Fuse (R/B No.2)
2. HEAD Fuse (R/B No.2)
3. Fog Light Relay (R/B No.2)
4. Fog Light Switch
5. Wire Harness
BE-23
BE-23
Fog light does not light with light control SW HEAD.
(Headlight does not light)1. Headlight and Taillight system
2. Wire HarnessBE-15
Only one light does not light.1. Bulb
2. Wire Harness
TURN SIGNAL HAZARD WARNING SYSTEM
SymptomSuspect AreaSee page
ºHazardº and ºTurnº do not light up.
1. Hazard Warning Switch
2. Turn Signal Flasher
3. Wire HarnessBE-26
BE-26
The flashing frequency is abnormal.
1. Bulb
2. Turn Signal Flasher
3. Wire Harness
BE-26
Hazard warning light does not light up.
(Turn is normal.)1. HAZ-HORN Fuse (R/B No.2)
2. Wire Harness
Hazard warning light does not light up in one direction.1. Hazard Warning Switch
2. Wire HarnessBE-26
Turn signal does not light up.
(Combination meter, wiper and washer do not operate.)
1. TURN Fuse (J/B No.1)
2. Ignition Switch
3. Turn Signal Switch
4. Wire Harness
BE-13
BE-26
Turn signal does not light up.
1. TURN Fuse (J/B No.1)
2. Turn Signal Switch
3. Wire Harness
BE-26
Turn signal does not light up in one direction.1. Turn Signal Switch
2. Wire HarnessBE-26
Only one bulb does not light up.1. Bulb
2. Wire Harness

- BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE-5
1983 Author
: Date
:
1997 SUPRA (RM502U)
INTERIOR LIGHT SYSTEM
SymptomSuspect AreaSee page
Only one light does not light up.1. Bulb
2. Wire Harness
Interior light does not light up (All).
1. DOME Fuse (R/B No.2)
2. Integration Relay
3. Wire Harness
BE-28
ºIlluminated Entry Systemº does not operate.
1. Integration Relay
2. Door Courtesy Switch
3. Door Key Lock and Unlock Switch
4. Door Unlock Detection Switch
5. Wire HarnessBE-28
BE-28
DI-656
DI-638
Front personal light does not light up.
1. Bulb
2. Front Personal Light
3. Wire Harness
BE-28
Luggage room light does not light up.1. Bulb
2. Luggage Room Light Switch
BE-28
BACK-UP LIGHT SYSTEM
SymptomSuspect AreaSee page
Back Up Light does not light up.
1. Bulb
2. GAUGE Fuse (J/B No.1)
3. Ignition Switch
4. Back-up Light Switch (M/T)
5. Park/Neutral Position Switch (A/T)
6. Wire Harness
BE-13
BE-31
DI-354
DI-423
Back Up Light remains always on.1. Wire Harness
Only one light does not light up.1. Bulb
2. Wire Harness
STOP LIGHT SYSTEM
SymptomSuspect AreaSee page
Stop light does not light up.
1. Bulb
2. STOP Fuse (J/B No.1)
3. Stop Light Switch
4. Wire Harness
BE-33
Stop light remains always on.1. Stop Light Switch
2. Wire HarnessBE-33
Only one light does not light up.1. Bulb
2. Wire Harness

BE-6
- BODY ELECTRICALBODY ELECTRICAL SYSTEM
1984 Author
: Date
:
1997 SUPRA (RM502U)
WIPER AND WASHER SYSTEM
SymptomSuspect AreaSee page
Wipers and washers do not operate.
1. WIPER Fuse (J/B No.1)
2. Ignition Switch
3. Wiper and Washer Switch
4. Wire Harness
BE-13
BE-35
Front wiper does not operate.
1. Front Wiper and Washer Switch
2. Front Wiper Motor
3. Wire HarnessBE-35
BE-35
Rear wiper does not operate.
1. Rear Wiper and Washer Switch
2. Rear Wiper Motor and Relay
3. Wire HarnessBE-35
BE-35
Front washer does not operate.
1. Front Wiper and Washer Switch
2. Washer Motor
3. Wire HarnessBE-35
BE-35
Rear washer does not operate.
1. Rear Wiper and Washer Switch
2. Washer Motor
3. Wire HarnessBE-35
BE-35
COMBINATION METER
METER, GAUGES AND ILLUMINATION:
SymptomSuspect AreaSee page
Tachometer, Fuel Gauge and Engine Coolant Temperature
Gauge do not operate.1. GAUGE Fuse (J/B No.1)
2. Meter Circuit
3. Wire Harness
BE-40
Speedometer does not operate.
1. Vehicle Speed Sensor
2. Meter Circuit
3. Wire HarnessBE-43
BE-40
Tachometer does not operate.
1. Igniter
2. ECM
3. Meter Circuit
4. Wire Harness
DI-1
DI-145
BE-40
Fuel Gauge does not operate or abnormal operation.
1. Fuel Receiver Gauge
2. Fuel Sender Gauge
3. Meter Circuit
4. Wire HarnessBE-43
BE-43
BE-40
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
4. Wire HarnessBE-43
BE-43
BE-40
All illumination lights do not light up.
1. TAIL Fuse (J/B No.1)
2. Light Control Rheostat
3. Meter Circuit
4. Wire Harness
BE-43
BE-40
Only one illumination light does not light up.1. Bulb
2. Meter Circuit
BE-40

- BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE-7
1985 Author
: Date
:
1997 SUPRA (RM502U)
WARNING LIGHTS:
SymptomSuspect AreaSee page
Warning lights do not light up.
(Except Discharge and Door Open)
1. Bulb
2. IGN Fuse (J/B No.1)
3. Ignition Switch
4. Meter Circuit
5. Generator
6. Wire Harness
BE-13
BE-40
Brake Warning Light does not light up.
1. Bulb
2. Brake Fluid Level Warning Switch
3. Parking Brake Switch
4. Bulb Check Relay
5. Meter Circuit
6. Wire Harness
BE-43
BE-43
BE-40
Seat Belt Warning Light does not light up.
1. Bulb
2. Seat Belt Buckle Switch
3. Integration Relay
4. Meter Circuit
5. Wire Harness
BE-43
BE-13
BE-40
Engine Oil Level Warning Light does not light up.
1. Bulb
2. Engine Oil Level Warning Switch
3. Meter Circuit
4. Wire Harness
BE-43
BE-40
Low Oil Pressure Warning Light does not light up.
1. Bulb
2. Low Oil Pressure Warning Switch
3. Meter Circuit
BE-43
BE-40
Door Open Warning Light does not light up.
1. Bulb
2. DOME Fuse (R/B No.2)
3. Door Courtesy Switch
4. Luggage Room Light Switch
5. Integration Relay
6. Meter Circuit
7. Wire Harness
BE-28
BE-28
BE-13
BE-40
Master Warning Light does not light up.
1. Bulb
2. Telltale Light Circuit
3. Meter Circuit
4. Wire Harness
BE-40
BE-40
INDICATOR LIGHTS:
SymptomSuspect AreaSee page
SRS Indicator Light does not light up.
1. Bulb
2. Center Airbag Sensor
3. Wire Harness
DI-555
ABS Indicator Light does not light up.
1. Bulb
2. Traction ECU
3. Wire Harness
DI-499
Malfunction Indicator Light does not light up.
1. Bulb
2. ECM
3. Wire Harness
DI-1
DI-145
TRAC OFF Indicator Light does not light up.
1. Bulb
2. Traction Solenoid Relay
3. Traction ECU
4. Wire Harness
DI-499
DI-499

- BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE-9
1987 Author
: Date
:
1997 SUPRA (RM502U)
DEFOGGER SYSTEM
SymptomSuspect AreaSee page
All defogger systems do not operate.
1. GAUGE Fuse (J/B No.1)
2. DEFOG Fuse (J/B No.1)
3. Defogger Relay (R/B No.4)
4. Defogger Switch
5. A/C Amplifier
6 Wire Harness
BE-56
BE-56
DI-71 1
Rear window defogger does not operate.1. Defogger Wires
2. Wire HarnessBE-56
Mirror defogger does not operate.
1. MIR-HTR Fuse (J/B No.1)
2. Mirror Defogger
3. Wire Harness
BE-56
POWER WINDOW CONTROL SYSTEM
SymptomSuspect AreaSee page
Power window does not operate.
(Power door lock does not operate.)
1. POWER Fuse (R/B No.2)
2. DOOR Fuse (J/B No.1)
3. Ignition Switch
4. Power Window Master Switch
5. Wire Harness
BE-13
BE-60
Power Window does not operate.
(Power door lock is normal.)
1. GAUGE Fuse (J/B No.1)
2. Power Main Relay (J/B No.1)
3. Ignition Switch
4. Power Window Master Switch
5. Wire Harness
BE-60
BE-13
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
Illumination does not light up.1. Power Window Master SwitchBE-60
POWER SEAT CONTROL SYSTEM
SymptomSuspect AreaSee page
Power seat does not operate.
1. POWER Fuse (R/B No.2)
2. DOOR Fuse (J/B No.1)
3. Power Seat Switch
4. Wire Harness
BE-65
ºSlide operationº does not operate.
1. Power Seat Switch
2. Sliding Motor
3. Wire HarnessBE-65
BE-65
ºReclining operationº does not operate.
1. Power Seat Switch
2. Reclining Motor
3. Wire HarnessBE-65
BE-65

BE1L3-01
Z09193
Z14750
OFF
ON
N16845
- BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCHBE-13
1991 Author
: Date
:
1997 SUPRA (RM502U)
INSPECTION
1. INSPECT IGNITION SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
LOCK-No continuity
ACC5 - 7Continuity
ON4 - 5 - 7, 2 - 3Continuity
START4 - 7 - 8, 1 - 2 - 3Continuity
If continuity is not as specified, replace the switch.
2. INSPECT KEY UNLOCK WARNING SWITCH CONTI-
NUITY
ConditionTester connectionSpecified condition
SW OFF
(Key removed)-No continuity
SW ON (Key set)1 - 2Continuity
If continuity is not as specified, replace the switch.
3. Key Unlock Warning System:
INSPECT INTEGRATION RELAY OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1, the negative (-) lead to terminals 5 and 10..
(b) Check the buzzer sounds when the negative (-) lead from
the battery is connected to terminal 6..
If operation is not as specified, replace the relay.