1997 TOYOTA SUPRA headlight bulb
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BE0DL-01
- BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE-1
1979 Author: Date:
1997 SUPRA (RM502U)
BODY ELECTRICAL SYSTEM
PRECAUTION
Take care to observe the doing precautions when performing inspections or removal and replacement of
body electrical related parts.
1. HEADLIGHT SYSTEM
Halogen bulbs have pressurized gas inside and require special handling. They can burst if scratched or
dropped. Hold a bulb only by its plastic or metal case.
Don't touch the glass part of a bulb with bare hands.
2. SRS (SUPPLEMENTAL RESTRAINT SYSTEM)
The SUPRA is equipped with an SRS (Supplemental Restraint System) such as the driver airbag and front
passenger airbag. Failure to carry out service operation in the correct sequence could cause the SRS to
unexpectedly deploy during servicing, possibly leading to a serious accident. Before servicing (including re-
moval or installation of parts, inspection or replacement), be sure to read the precautionary notices in the
RS section.
3. AUDIO SYSTEM
If the negative (-) terminal cable is disconnected from the battery, the preset AM, FM 1 and FM 2 sta-
tions stored in memory are erased, so be sure to note the stations and reset them after the battery
terminal is reconnected.
If the negative (-) terminal cable is disconnected from the battery, the ºANTI-THEFT SYSTEMº will
operate when the cable is reconnected, but the radio, tape player and CD player will not operate. Be
sure to input the correct ID number so that the radio, tape player and CD player can be operated again.
4. MOBILE COMMUNICATION SYSTEM
If the vehicle is equipped with a mobile communication system, refer to precautions in the IN section.
Page 158 of 1807
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
Page 159 of 1807
- 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
Page 160 of 1807
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
Page 164 of 1807
BE-8
- BODY ELECTRICALBODY ELECTRICAL SYSTEM
1986 Author: Date:
1997 SUPRA (RM502U) Security Indicator Light does not light up.
1. Light Emitting Diode
2. Theft Deterrent and Door Lock ECU
3. Wire Harness
DI-608
A/T Shift Position Indicator Light does not light up.
1. Bulb
2. Park/Neutral Position Switch
3. Light Control Rheostat
4. Meter Circuit
5. Wire Harness
DI-354
DI-423
BE-43
BE-40
MANU Indicator Light does not light up.
1. Bulb
2. ECM
3. Meter Circuit
4. Wire Harness
BE-40
O/D OFF Indicator Light does not light up.
1. Bulb
2. O/D Main Switch
3. ECM
4. Meter Circuit
5. Wire Harness
BE-43
DI-1
DI-145
BE-40
TRAC Indicator Light does not light up.
1. Bulb
2. ABS and Traction ECU
3. Meter Circuit
4. Wire Harness
BE-40
Turn Indicator Light does not light up.
1. Bulb
2. Turn Signal and Hazard Warning System
3. Meter Circuit
4. Wire Harness
BE-25
BE-40
High Beam Indicator Light does not light up.
1. Bulb
2. Headlight and Taillight System
3. Meter Circuit
4. Wire Harness
BE-15
BE-40
CRUISE Indicator Light does not light up.
1. Bulb
2. Cruise Control ECU
3. Meter Circuit
4. Wire Harness
DI-660
BE-40
SNOW Indicator Light does not light up.
1. Bulb
2. Traction ECU
3. Meter Circuit
4. Wire Harness
BE-40
ELECTRIC TENSION REDUCER SYSTEM
SymptomSuspect AreaSee page
Tension Reducer does not operate.
(Driver's and Passenger's)1. ECU-IG fuse (J/B No.1)
2. Wire Harness
Tension Reducer does not operate. (Only one side)
1. Buckle Switch
2. Tension Reducer Solenoid
3. Wire HarnessBE-54
BE-43
Page 197 of 1807
I02078
Cruise Control Indicator :Fuel Gauge
:Engine Coolant Temperature Gauge
:Tachometer
:Speedometer
D.R.L. :Daytime Running Light
* :Engine Oil Level Delay Circuit
F
E
T
S
F
E
T
S C8
A10
A11
A9
A8
A13
C11
C10
B13
B12
B2
A1
C7
C5
A14
A7
A6
A3
C1
C2
C13
A5P
R
N
D
2
LB4
B10
B6
B7
B8
B11
B1
C9
A16
C4
C6
A15
A2
B3
C12 Fuel Level Warning
MANU Indicator
O/D OFF Indicator
Brake Warning
Bulb Check Relay
TRAC Indicator
Right Turn Indicator
High Beam Indicator
Master Warning
Illumination
SNOW IndicatorLeft Turn Indicator
No. Wire Harness Side
Brake Fluid Level Warning Switch
Parking Brake Switch
USA:TAIL (RH) Fuse, PANEL Fuse
Headlight Dimmer Switch
ECT ECU
Cruise Control ECU
TRAC ECU
Ground (Engine)
Engine Coolant Temperature Sender Gauge
Fuel Sender Gauge
Ground (Signal)
Turn Signal Switch
Starter Relay Generator L Terminal Igniter
Park/Neutral Position Switch (A/T Vehicle) A1
2
3
5
6
7
8
9
10
11
13
14
15
16
BGAUGE Fuse
O/D OFF Switch
USA:TAIL (RH) Fuse, PANEL Fuse
Park/Neutral Position Switch (P)
Park/Neutral Position Switch (N)
ECT ECU
Ground (Power)
Park/Neutral Position Switch (D)
Park/Neutral Position Switch (2)
Park/Neutral Position Switch (L) Park/Neutral Position Switch (R) 1
2
3
6
7
8
10
11
124
13
Engine Oil Level Sensor
Turn Signal Switch
Ground (Power)
Fuel Sender Gauge
GAUGE Fuse
Vehicle Speed Sensor (Terminal 2)
Vehicle Speed Sensor (Terminal 3)
USA:TAIL (RH) Fuse, PANEL Fuse
Light Control Rheostat Telltail Light RH (Terminal 11)
Telltail Light LH (Terminal 1)
Telltail Light LH (Terminal 6) 1
2
6
7
8
10
11
124
135
9 CCANADA:D.R.L. No.3 Relay
Clutch Start Switch (M/T Vehicle)
CANADA:D.R.L. No.3 Relay
CANADA:D.R.L. No.3 Relay
- BODY ELECTRICALCOMBINATION METER
BE-41
2019 Author: Date:
1997 SUPRA (RM502U)
Page 1209 of 1807
15A
HEAD (
RH)
(
USA)
25
6
1
IF2 13 IF1 6IB1 2
IF2 1IF24IF114
IE1 1IE12IE13
BP1 5 BP13BP11 II1 24 II1 19 A 2A 16 A15 B6
A 7A6A3A9A8B8A10 A11 A13
II1 29
SLIP
CRUISE
HIGH BEAM
WATER TEMP.
FUEL
FUEL
TACHO
IJ213
IE EC IFI 3 FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
IJ29
EXT
I 4
E10
C 9
P 2
COMBINATION METER FROM HEADLIGHT HI RH
FUEL SENDERIGNITER
ENGINE CONTROL MODULE
CLUTCH START
SW
PARK/NEUTRAL POSITION
SW Y- G
Y- B
BR BRY- B Y- GBR Y- RR- LO W
Y- G
Y- B
BR
B- W B- W
B- W BRBR Y- L (
*3) R- L W- BW
O TO THROTTLE E CU
TO CRUISE CONTROL
ECU
TO DI MME R SW
[COMB. SW]
ENGINE COOLANT TEMP. SENDER
LH
RH TURNB
(
A/T)
B
(
M/T)B- W
(
M/T) R- W
(
*1)
B- W
G- B
G- Y R- W R- W
R- W
G- B
G- YB- WB
B BR
BR
(
*4)
(
*3) (
*1)
BULB
CHECK RELAY
123416FROM TURN SIGNAL SW
[COMB. SW]
1 2
(
*2)
E 4
C
C10 , C11
, C1 2
BA
(
*3)
1I 4
B (
*3)
Y- R (
*4)
(
A/ T)
(
A/T)(
A/T) (
*2)
TACO
F14
2
P
N
1E 19 1E14 1H 11 1H7
7. 5A
ST
1K 4
220
COMBINATION METER