1995 TOYOTA SUPRA Service Repair Manual

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Page 801 of 2543

TOYOTA SUPRA 1995 Service Repair Manual TC Circuit
CIRCUIT DESCRIPTION
This circuit sends a signal to the ECU that diagnostic code output is required.
WIRING DIAGRAM
± BODY ELECTRICAL SYSTEMCRUISE CONTROL SYSTEMBE±199

Page 802 of 2543

TOYOTA SUPRA 1995 Service Repair Manual INSPECTION PROCEDURE
Check for open and short in harness and connector between ECU and TDCL,
TDCL and body ground. (See page IN±30).
Repair or replace harness or connector.
Check and replace ECU.
Vol

Page 803 of 2543

TOYOTA SUPRA 1995 Service Repair Manual SERVICE SPECIFICATIONS
SERVICE DATA
INTEGRATION RELAY (Light Auto Cut System)

SERVICE SPECIFICATIONS
SERVICE DATA
INTEGRATION RELAY (Light Auto Cut System)
B2 ± Ground (Constant) Battery positive voltage
B3 ± Ground (Constant) Battery positive voltage
A7 ± Ground (Ignition SW position LOCK or ACC) No voltage
A7 ± Ground (Ignition SW position ON)

Battery positive voltage
A1 ± Ground (Constant)

Battery positive voltage
DAYTIME RUNNING LIGHT MAIN RELAY (Wire Harness Side)
2 ± Ground (Ignition SW position LOCK or ACC) No voltage
2 ± Ground (Ignition SW position ON) Battery positive voltage 11 ± Ground (Engine stop) No voltage
11 ± Ground (Engine running)

Battery positive voltage
15 ± Ground (Constant) Battery positive voltage
17 ± Ground (Constant) Battery positive voltage
TURN SIGNAL FLASHER
Flashes/Minute 60 ± 120
INTEGRATION RELAY (Interior Light System)

9 ± Ground (Ignition SW position LOCK or ACC) No voltage
9 ± Ground (Ignition SW position ON) Battery positive voltage
1 ± Ground (Constant) Battery positive voltage
SPEEDOMETER (USING A SPEEDOMETER TESTER)

Standard indication (mph)

Allowable range (mph)
20

18 ± 24
40 38 ± 44
60 58 ± 66
80 78 ± 88 100 98 ± 110
120

118 ± 132
Standard indication (km/h) Allowable range (km/h)
20 17 ± 24
40 38 ± 46
60 57.5 ± 67
80

77 ± 88
100 96 ± 109
120 115 ± 130
140 134 ± 151.5
160 153 ± 173
± BODY ELECTRICAL SYSTEMSERVICE SPECIFICATIONSBE±201

Page 804 of 2543

TOYOTA SUPRA 1995 Service Repair Manual TACHOMETER (ON±VEHICLE)
Standard indication (rpm)

TACHOMETER (ON±VEHICLE)
Standard indication (rpm) Allowable range (rpm)
700 630 ± 770
1000 915 ± 1115
2000 1920 ± 2220
3000 2890 ± 3350
4000 3940 ± 4400
50005025 ± 5425
6500

6650 ± 6950
7000

7025 ± 7625 OD/TRIP METER (CONNECTOR CONNECTED)
1 ± Ground (Ignition SW position ON) Battery positive voltage 4 ± Ground (Light Control SW position TAIL or HEAD) Battery positive voltage 5 ± 7 (Ignition SW ON and drive the vehicle slowly) OV eBattery positive voltage 6 ± 7 (Ignition SW ON and drive the vehicle slowly) OV emore than 5V 8 ± Ground (Constant) Battery positive voltage

10 ± Ground (Ignition SW ON, Light Control SW TAIL or
HEAD and turn the Light Control Rheostat
knob to clockwise)

6V " 0V
FUEL RECEIVER GAUGE
A ± B Approx. 269.7
A ± C Approx. 123.5
B ± C Approx. 146.2
FUEL SENDER GAUGE
Float position: F Approx. 4.0
Float position: 1/2 Approx. 55.0
Float position: E Approx. 107.0
ENGINE COOLANT TEMPERATURE RECEIVER GAUGE
A ± B Approx. 229.7
A ± C Approx. 54.0
B ± C Approx. 175.7
ENGINE COOLANT TEMPERATURE SENDER GAUGE
50 °C (122.0 °F) 160 ± 240
120 °C (248.0 °F) 17.1 ± 21.2
LIGHT FAILURE SENSOR
3 ± Ground (Light Control SW position OFF) No voltage
3 ± Ground (Light Control SW position TAIL or HEAD) Battery positive voltage
4 ± Ground (Ignition SW position LOCK or ACC) No voltage
4 ± Ground (Ignition SW position ON) Battery positive voltage
7 ± Ground (Stop Light SW position OFF) No voltage
7 ± Ground (Stop Light SW position ON) Battery positive voltage
8 ± Ground (Engine stop)No voltage
8 ± Ground (Engine running)

Battery positive voltage
INTEGRATION RELAY (Seat Belt Warning)

1 ± Ground (Constant) Battery positive voltage 9 ± Ground (Ignition SW LOCK or ACC) No voltage 9 ± Ground (Ignition SW ON) Battery positive voltage
BE±202± BODY ELECTRICAL SYSTEMSERVICE SPECIFICATIONS

Page 805 of 2543

TOYOTA SUPRA 1995 Service Repair Manual ANTENNA MOTOR CONTROL RELAY (Wire Harness Side)
1 ± Ground (Constant)

Page 806 of 2543

TOYOTA SUPRA 1995 Service Repair Manual BODY
BO±1

Page 807 of 2543

TOYOTA SUPRA 1995 Service Repair Manual GENERAL INFORMATION
HANDLING PRECAUTIONS
Taping
When it is possible that the body or parts may be scratched
during the operation, apply protective tape before starting
work.
Example:
1. Before starti

Page 808 of 2543

TOYOTA SUPRA 1995 Service Repair Manual CLIPS
The removal and installation methods of typical clips used in
body parts are shown in the table below.
HINT: If the clip is damaged during the operation, always re-
place it with a new clip.
±

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