TSRM/MK2 Supra/Repair Manual
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BE/Body Electrical System, page 46

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Body Electrical System — MK2 Supra Body Electrical System, page 46
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Page text (OCR transcript)
BE-46
BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges

SECTION
TROUBLE

F
Speedometer
Abnormal speedometer signal

IG S/W ON, CRUISE CONTROL MAIN S/W ON

① With the ignition S/W at ON position, is there battery voltage at terminal 14 of connector with wiring meter connector disconnected?

No → Defective control parts for CRUISE CONTROL

Yes ↓

Connect sub-harness (SST)

② With the ignition S/W at ON position, does voltage between terminals 14 and 16 of sub-harness (SST) change from 10 to 0V when the magnet shaft is turned?

No → Replace speedometer

about 10V
about 0V
four times per revolution

1
Wiring Connector
4P

2
Sub-harness (SST)
4P
E ②