1997 TOYOTA SUPRA horn
[x] Cancel search: hornPage 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 181 of 1807
Z18224
Front Turn Signal and Hazard Waning Lights
HAZ-HORN Fuse Combination Switch
Light Control Switch
Turn Signal Flasher R/B No.4
J/B No.1
TURN Fuse
Rear Combination Lights
Rear Turn Signal and hazard Warning Lights R/B No.2
BE0DX-01
- BODY ELECTRICALTURN SIGNAL AND HAZARD WARNING SYSTEM
BE-25
2003 Author: Date:
1997 SUPRA (RM502U)
TURN SIGNAL AND HAZARD WARNING SYSTEM
LOCATION
Page 251 of 1807
28 Noise NOISE PRODUCED BY VIBRATION OR SHOCK WHILE DRIVING
No
Ye s Is speaker properly installed?
Noise is produced from static electricity accumulating in the vehicle body. With vehicles stationary lightly tap each system.
Is noise produced?Install properly.
Each system faulty. Is speaker properly installed?
No
No Ye s
Ye s
29 Noise NOISE PRODUCED WHEN ENGINE STARTS
NoYe s Whistling noise which becomes high-pitched when
accelerator strongly depressed, disappears shortly
after engine stops.Generator noise.
A/C noise.
Fuel gauge noise.
Horn noise.
Ignition noise.
Turn signal noise.
Washer noise.
Engine coolant temp. gauge noise.
Wiper noise. Whining noise occurs when A/C is operating.
Scratching noise occurs during sudden acceleration, driving on rough
roads or when ignition switch is turned ON.
Clicking sound is heard when horn button is pressed, then
released. Whirring/grating sound is heard when pushed
continuously.
Murmuring sound stops when engine stops.
Tick-tack noise occurs in co-ordination with blinking
offlasher.
Noise occurs during window washer operation.
Scratching noise occurs while engine is running,
and continues a while even after engine stops.
Scraping noise in line with wiper beat.
Other type of noiseYe s
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s No
No
No
No
No
No
No
No
- BODY ELECTRICALAUDIO SYSTEM
BE-95
2073 Author: Date:
1997 SUPRA (RM502U)
Page 496 of 1807
SRS COMPONENT REPLACEMENT (cont'd) PAGE 4 of 4
Component Replacement Notes
Note 1 ± Visually inspect and replace the following items if deformed:
Instrument panel and center console bracket support
Note 2 ± Visually inspect and replace the following items if deformed:
Instrument panel and Instrument panel reinforcement
Glove compartment and glove compartment door
Note 2a ± Same as note 2 without involving the glove compartment.
Note 3 ± If the SRS wire harness is damaged only at the connectors to the front
sensors:
Use a repair wire specially designed for use in the SRS airbag system at the front sensor
(PN 82988±24010/50010/33010).
OR
Replace the entire wire harness assembly.
Note 3a ± Replace the entire wire harness if damaged or has been found to be faulty
during troubleshooting.
Note 4 ± Replace the following items if deformed or if diagnostic tests show a fault:
Steering wheel (If the horn button contact plate has been deformed, never attempt to
repair it±always replace the steering wheel).
Spiral cable
Note 5 ± Replace center airbag sensor assembly if:
Center airbag sensor assembly has been found faulty in troubleshooting.
Center airbag sensor assembly shows evidence of the following:
1. Deformation of the bracket or case
2. Vinyl seal broken
3. Damage to connector
Center airbag sensor assembly has been dropped.
Note 6 ± Replace side impact sensors and side airbag assembly with seat cover if
deployed. Side airbag circuits are independent from each other, and one
side may deploy while the other does not.
Note 7 ± 1998 Tacoma is equipped with a passenger airbag cutoff switch. If the
switch is ªOFFº when impact occurs, replace the switch. If the switch is in
the ªONº position when impact occurs, and the passenger airbag deploys,
check the switch as directed by the Repair Manual.
Page 900 of 1807
DI4WW-01
THEFT DETERRENT SYSTEM Check Sheet
Inspector 's name:
Customer 's Name
Date of VehicleRegistration No.
Registration Year
Frame No.
Odometer Reading / /km
Mile
Weather Conditions
When Problem
Occurred Frequency Problem OccursWeather
Outdoor temperature
/ /
Constant Sometimes ( Times per day, month)
Once only Brought in
Theft deterrent system cannot be set.
Indicator light does not flash when the theft deterrent system is set.
(It stays on or does not light at all.)
Theft deterrent system
does not operate. When unlocked using the
door lock knob.
When the engine hood is
opened.
System cannot be
canceled once set. When door is unlocked using key or wireless door lock control system.
When the key is inserted in the ignition key cylinder and turned to ACC or ON
position.
(However, only when the system has never operated)
When the luggage compartment door is opened with the key.
System cannot be
canceled during warning
operation. When door is unlocked using key or wireless door lock control system.
When the key is inserted in the ignition key cylinder and turned to ACC or ON
position.
Warning operation starts when the system is set and the door or luggage compartment door is opened with
the key.
Others.
Date Problem First Occurred
Fine Cloudy Rainy Snowy
Various/Others
Hot Warm Cool
Cold (Approx. 5F ( 5C))
Problem Symptom
Malfunction
Horns only
Theft deterrent horn only
Headlights only
Taillights only
Starter cut only
Door lock operation only
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-609
837 Author: Date:
1997 SUPRA (RM502U)
CUSTOMER PROBLEM ANALYSIS CHECK
Page 902 of 1807
N09348
TOYOTA
hand-held tester
TOYOTA
break-out-boxECU
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-61 1
839 Author: Date:
1997 SUPRA (RM502U)
4. CHECK OF THE THEFT DETERRENT SYSTEM OPERATION.
HINT:
Check if the theft deterrent indicator light is blinking.
When any of the following operations (a) or (b) is done, the system sounds the horns as theft deterrent horn
and flashes the headlights and taillights for about one minute to alert. At the same time, the system discon-
nects the starter motor circuit and locks all doors (if all doors are not locked, the system repeats door locking
operation every 2 seconds during the one minute alert time).
(a) Open the engine hood using the engine hood opener lever.
(b) Unlock any of the front or rear doors without key operation.
5. CANCELING OF THE THEFT DETERRENT SYSTEM IN OPERATING CONDITION.
The theft deterrent operation can be cancelled when any of the following conditions is met:
No.ConditionCancelling Operation
1Unlock left or right door with the key.
2Unlock doors with wireless door lock control system.
3Insert key into ignition key cylinder and turn it to the ACC or ON position.*2
4About 1 minute passes after theft deterrent operation begins.Automatic stop*1
*1: In this case, the theft deterrent system resets in about 2 seconds if all doors are closed.
*
2: The alarm will be off, but the engine will not operate. To restart the engine, see No.1
6. ECU TERMINAL VALUES MEASUREMENT USING
TOYOTA BRAKE-OUT-BOX AND TOYOTA HAND-
HElD TESTER
(a) Hook up the TOYOTA brake- out- box and TOYOTA
hand-held tester to the vehicle.
(b) Read the ECU input/output values by following the
prompts on the hand-held tester screen.
HINT:
TOYOTA hand-held tester has a ºSnapshotº function. This re-
cords the measured values and is effective in the diagnosis of
intermittent problems.
Please refer to the TOYOTA hand-held tester/TOYOTA break-
out-box operator's manual for further details.
Page 903 of 1807
DI4WY-01
I02535
Theft Deterrent Horn
R/B No.2
Headlight Relay
Horn Relay
Starter Relay
Engine Hood Courtesy
Switch
HornTheft Deterrent Horn
(2JZ-GTE)
(2JZ-GE)
Theft Deterrent and Door
Lock ECU
Door Key Lock and Unlock
Switch
Door Lock Control Switch
Door Lock Motor and Door Unlock
Detection Switch
Door Courtesy SwitchLuggage Room Light Switch Door Key Lock and Unlock
Switch Door Lock Control Switch
Back Door Key Unlock Switch
(Power Window Master Switch)
DI-612
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
840 Author: Date:
1997 SUPRA (RM502U)
PARTS LOCATION
Page 905 of 1807
DI-614
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
842 Author: Date:
1997 SUPRA (RM502U)
LSWPE (T13 21T7 4)GBWBDoor unlock detection switch ON (door opened).Below 1WLSWP e E (T13-21 e T7-4)G-B e W-BDoor unlock detection switch OFF (door closed).1MW or higher
L2E (T13 22T7 4)GYWBDoor key lock and unlock switch ºlockº position.Below 1WL2 e E (T13-22 e T7-4)G-Y e W-BDoor key lock and unlock switch OFF or ºunlockº position.1MW or higher
TA I L e E (T13-23 eT7-4)G-W e W-BLight control switch ºTAILº position.10 - 14 V
HORN e E (T13-24 eT7-4)L-R e W-BHorn switch OFF.10 - 14 V
SRLY e Ground
(T13-25 eGround)L-O e GroundIgnition switch is turned to ºSTº position.
(When park/neutral position switch ºPº position.)10 - 14 V