TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
p.035

BE/Body Electrical System — Troubleshooting Wiring Diagram, page 36

36 / 121
p.037
Troubleshooting Wiring Diagram — MK2 Supra Body Electrical System, page 36
100%
Page text (OCR transcript)
BE-36

BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges

Troubleshooting
WIRING DIAGRAM

To Cruise Control and
ECT Computer

To Igniter

Fuel Sender Gauge

Ignition Switch
Light Switch

Fusible Link

Battery

G-terminal
(5-terminal)
Speedometer
17-terminal Connector
Dim
E①
E②
FV
FR
IG
SI
ST
TR
E
TEMP①

Water
Temp.
Sender
Gauge

Speed
Scale
Change
Switch

Speed
Counter
(Speed
Sensor)

FB ②
FV ②
VDD
GND
TC ②
TEMP ②

8-terminal
Connector

Combination Meter
Fuel Warning
Digi-heat Warning

Digital
Fuel and
Temp.
Gauge

Fuel
Scale
Change
Switch

EXP
GND

Dim : Dim signal
E ① : Body ground of power source
E ② : Signal ground
EXP : Magnifier signal
4P : 4-pulse signal
FR : Remaining fuel quantity signal
FV : Power source of fuel sender gauge
GND : Circuit ground
IG① : Power source
IG② : RPM signal
KMSW : Conversion signal
SI : Speed sensor signal (20-pulse)
ST : Starting signal
TACHO SI : Wave form rectification signal of IG②
TEMP : TEMP signal
TC : Dim restriction signal
TR : Dim signal
VDD : Power source of receiver gauge