1995 TOYOTA SUPRA Service Repair Manual

fuse box location deactivate airbag deactivate passenger airbag fuel cap reset infotainment system driver seat adjustment

Load previous 8 pages

Page 929 of 2543

TOYOTA SUPRA 1995 Service Repair Manual Symbols
(Terminals No.)STD Voltage (V)Condition
Always
IG switch ON
IG switch ON, ABS warning light OFF
IG switch ON
IG switch ON, TRAC and TRAC OFF indicator light OFF
IG switch ON
IG switch ON, ABS

Page 930 of 2543

TOYOTA SUPRA 1995 Service Repair Manual Symbols
(Terminals No.)STD Voltage (V)Conditions
IG switch ON
IG switch ON
IG switch ON
IG switch ON
IG switch ON
IG switch ON
IG switch ON
IG switch ON
IG switch ON
IG switch ON
Slowly turn right fro

Page 931 of 2543

TOYOTA SUPRA 1995 Service Repair Manual SPEED SENSOR SIGNAL CHECK
1. Turn the ignition switch OFF
2. Using SST, connect terminals Ts and E1 of DLC1.
SST 09843±18020
3. Start the engine.
4. Check that the ABS warning light blinks.
HINT:

Page 932 of 2543

TOYOTA SUPRA 1995 Service Repair Manual ECU DATA MONITOR USING TOYOTA
HAND±HELD TESTER
1. Hook up the TOYOTA hand±held tester to the DLC2.
2. Monitor the ECU data by following the prompts on the tester
screen.
HINT: TOYOTA hand±held t

ECU DATA MONITOR USING TOYOTA
HAND±HELD TESTER
1. Hook up the TOYOTA hand±held tester to the DLC2.
2. Monitor the ECU data by following the prompts on the tester
screen.
HINT: TOYOTA hand±held tester has a ºSnapshotº function
which records the monitored data.
Please refer to the TOYOTA hand±held tester operator's
manual for further details.
Diagnostic Trouble Code of Speed Sensor Check Function
Code No. Diagnosis Trouble Area

71

Low output voltage of right front speed sensor

Right front speed sensor
Sensor installation

72

Low output voltage of left front speed sensor

Left front speed sensor
Sensor installation

73

Low output voltage of right rear speed sensor

Right rear speed sensor
Sensor installation

74

Low output voltage of left rear speed sensor

Left rear speed sensor
Sensor installation

75

Abnormal change in output voltage of right front speed
sensor
Right front speed sensor rotor

76

Abnormal change in output voltage of left front speed
sensor
Left front speed sensor rotor

77

Abnormal change in output voltage of right rear speed
sensor
Right rear speed sensor rotor

78

Abnormal change in output voltage of left rear speed
sensor
Left rear speed sensor rotor
± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)BR±63

Page 933 of 2543

TOYOTA SUPRA 1995 Service Repair Manual PROBLEM SYMPTOMS CHART
If a normal code is displayed during the diagnostic trouble code check but the problem still occurs, check the
circuits for each problem symptom in the order given in the table

PROBLEM SYMPTOMS CHART
If a normal code is displayed during the diagnostic trouble code check but the problem still occurs, check the
circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshoot-
ing page.

Symptoms

Inspection Circuit

See page

ABS does not
operate.

Only when 1. ~ 4. are all normal and the problem is still occurring,
replace the ABS (& TRAC) ECU.
1. Check the diagnostic trouble code, reconfirming that the normal
code is output.
2. IG power source circuit.
3. Speed sensor circuit.
4. Check the ABS actuator with a checker.
If abnormal, check the hydraulic circuit for leakage (See page
BR±115).

BR±54
BR±92
BR±88
BR±44

ABS does not
operate efficiently

Only when 1. ~ 4. Are all normal and the problem is still occurring,
replace the ABS (& TRAC) ECU.
1. Check the diagnostic trouble code, reconfirming that the normal
code is output.
2. Speed sensor circuit.
3. Stop light switch circuit.
4. Check the ABS actuator with a checker.
If abnormal, check the hydraulic circuit for leakage (See page
BR±115).

BR±54
BR±88
BR±105
BR±44

ABS warning
light abnormal

1. ABS warning light circuit.
2. ABS (& TRAC) ECU.

BR±107

Diagnostic trouble
code check cannot
be performed

Only when 1 and 2 are all normal and the problem is still occurring,
replace the ABS (& TRAC) ECU.
1. ABS warning light circuit.
2. Tc terminal circuit.

BR±107
BR±112

Speed sensor signal
check cannot be
performed

1. Ts terminal circuit.
2. ABS (& TRAC) ECU.

BR±114
BR±64± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)

Page 934 of 2543

TOYOTA SUPRA 1995 Service Repair Manual CIRCUIT INSPECTION
DTC 11 12 ABS Solenoid Relay Circuit
CIRCUIT DESCRIPTION
This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the initial check is OK,
the rela

Page 935 of 2543

TOYOTA SUPRA 1995 Service Repair Manual BR±66± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)

Page 936 of 2543

TOYOTA SUPRA 1995 Service Repair Manual Check voltage between terminals (A9) 2 and (A9) 6 of ABS solenoid relay
connector.
Disconnect the ABS solenoid relay connector.
Measure voltage between terminals (A9) 2 and
(A9) 6 of ABS solenoid rel

Load next 8 pages

Page: < prev 1-10 ... 897-904 905-912 913-920 921-928 929-936 937-944 945-952 953-960 961-968 ... 2544 next >

dead battery service interval reset coolant level battery service indicator lug pattern