key TOYOTA SUPRA 1997 Service Repair Manual

MT06M-02
- MANUAL TRANSMISSION (V160)TROUBLESHOOTING
MT-1
1569 Author
: Date
:
1997 SUPRA (RM502U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these parts.
SymptomSuspect AreaSee page
Noise
1. Flywheel damper
2. Oil (Level low)
3. Oil (Wrong)
4. Gear (Worn or damaged)
5. Bearing (Worn or damaged)CL-17
CL-22
MT-3
MT-3
-
-
Oil leakage
1. Oil (Level too high)
2. Gasket (Damaged)
3. Oil seal (Worn or damaged)
4. O-Ring (Worn or damaged)MT-3
-
MT-7
MT-2
MT-7
Hard to shift or will not shift1. Synchronizer ring (Worn or damaged)
2. Shift key spring (Damaged)-
-
Jumps out of gear
1. Locking ball spring (Damaged)
2. Shift fork (Worn)
3. Gear (Worn or damaged)
4. Bearing (Worn or damaged)-
-
-
-

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-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

BE0DO-02
Z18243
Ignition Switch

Key Unlock Warning Switch BE-12
- BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCH
1990 Author
: Date
:
1997 SUPRA (RM502U)
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
LOCATION

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.

Z07373
Junction Block Side
Connector ºAº
Wire Harness Side
Connector ºBº BE-14
- BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCH
1992 Author
: Date
:
1997 SUPRA (RM502U)
4. INSPECT RELAY CIRCUIT
Light Auto Turn Off System:
Remove the relay from junction block and inspect the connec-
tors on the wire harness and junction block side, as shown in
the chart.
Tester connectionConditionSpecified condition
A6 - GroundDriver's door courtesy switch OFFNo continuity
A6 - GroundDriver's door courtesy switch ONContinuity
A10 - GroundConstantContinuity
B1 - GroundLight control switch position OFF or TAILNo continuity
B1 - GroundLight control switch position HEADContinuity
B4 - GroundLight control switch position OFFNo continuity
B4 - GroundLight control switch position TAIL or HEADContinuity
A1 - GroundConstantBattery positive voltage
A7 - GroundIgnition switch position LOCK or ACCNo voltage
A7 - GroundIgnition switch position ONBattery positive voltage
B2 - GroundConstantBattery positive voltage
B3 - GroundConstantBattery positive voltage
If the circuit is as specified, try replacing the relay with a new
one.
If the circuit not as specified, inspect the circuits connected to
other parts.

Z18226
Personal LightDoor Key Lock and Unlock Switch
Door Lock Motor and Unlock Detection Switch
Luggage Room Light Switch
Luggage Room Light
Door Courtesy Switches Door Lock Motor and
Unlock Detection Switch
R/B No.2Integration
Relay
DOME Fuse
BE0DZ-01
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
BE-27
2005 Author
: Date
:
1997 SUPRA (RM502U)
INTERIOR LIGHT SYSTEM
LOCATION

Z07379
Junction Block Side
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
BE-29
2007 Author
: Date
:
1997 SUPRA (RM502U)
6. INSPECT INTEGRATION RELAY CIRCUIT
Remove the relay from junction block and inspect the connector
on the junction block side, as shown in the chart.
Tester connectionConditionSpecified condition
4 - GroundCourtesy Switch Position OFF (Door closed)No continuity
4 - GroundCourtesy Switch Position ON (Door opened)Continuity
10 - GroundConstantContinuity
1 - GroundConstantBattery positive voltage
7 - GroundIgnition switch position / LOCK or ACCNo voltage
7 - GroundIgnition switch position / ONBattery positive voltage
If circuit is as specified, try replacing the relay with a new one.
If the circuit is not as specified, inspect the circuits connected
to other parts.
7. INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CIRCUIT
See page DI-656
8. INSPECT DOOR UNLOCK DETECTION SWITCH CIR-
CUIT
See page DI-638

N08953
N08954
BE6219
Junction Block Side
Connector ºAº
- BODY ELECTRICALCOMBINATION METER
BE-51
2029 Author
: Date
:
1997 SUPRA (RM502U)
26. INSPECT INTEGRATION RELAY OPERATION
(a) Connect the positive (+) lead from the battery to terminals
1 and 7.
(b) Connect the positive (+) lead from the battery to terminal
9 through a 3.4 W test bulb.
(c) Check that the test bulb lights up and buzzer sounds for
4 - 8 seconds when the negative (-) lead from the battery
is connected to terminal 10.
(d) Check that the buzzer sounding in (c) stops when the
negative (-) lead from the battery is connected to terminl
8.
If operation is not as specified, replace the integration relay.
27. INSPECT RELAY CIRCUIT
Remove the relay from the junction block No. 1 and inspect the
connectors on the junction block side.
Tester connectionConditionSpecified condition
4 - GroundDriver's door openContinuity
4 - GroundDriver's door closeNo continuity
5 - GroundIgnition key SetContinuity
5 - GroundIgnition key removeNo continuity
8 - GroundDriver's seat belt fastenContinuity
8 - GroundDriver's seat belt unfastenNo continuity
10 - GroundConstantContinuity
1 - GroundConstantBattery positive voltage
9 - GroundIgnition switch position ONBattery positive voltage
9 - GroundIgnition switch position LOCK or ACCNo Voltage
If circuit is not as specified, tray replacing the relay with a new
one.

V08418
Turn ignition Key from LOCK position to ACC position.
Troubleshooting for ANTI-THEFT SYSTEM
Display A:
ID Number is set.Display E:
ANTI-THEFT SYSTEM opera-
tion condition. (ID number input
error 10 times or more.)Display B
ºSEC display disappears after 1
second.Radio switch ON.
Take to designated radio
service station.Display BDisplay D
Refer to each
malfunction item.Normal
operation.
Radio switch ON. Normal operation.
Cancel ID number, refer to each malfunction item.
Ye s
No
OK
NG
ANTI-THEFT SYSTEM operation condition. (ID number input error 9 times or less.)
Input ID number to cancel ANTI-THEFT SYSTEM, and check display.
Display A"B Display B Display E
Display C"A
Radio switch ON.Refer to each
malfunction item.Take to designated
radio service station.ANTI-THEFT SYSTEM not can-
celled. (ID number input error 10
times or less.)
Display D
ANTI-THEFT SYSTEM cancelled.
Check audio system again.Normal operation.
OK
NG
Cancel ID number, refer to each malfunction item.
Liquid Crystal Display (LCD) or VFD for Audio System
Display ºAº Display ºBº Display ºCº
Display ºDº Example:Display ºEº
2 DIN Type
1 DIN TypeBlank
No Illumination
2 DIN Type
1 DIN Type 2 DIN Type
1 DIN Type Error Times2 DIN Type 1 DIN Type
Radio Display
1 DIN Type 2 DIN Type
HINT:

Refer to Owner's Manual for operation details of ANTI-THEFT SYSTEM.

When the ID number has been cancelled, reset the same number after completing the operation, or
inform the customer that it has been cancelled.
BE-76
- BODY ELECTRICALAUDIO SYSTEM
2054 Author
: Date
:
1997 SUPRA (RM502U)