TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System, page 47

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p.048
Body Electrical System — MK2 Supra Body Electrical System, page 47
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Page text (OCR transcript)
SECTION G
Speedometer
TROUBLE
No speed unit conversion

Remove meter and connect sub-harness (SST)

① With the ignition S/W at ON position, is there speed unit conversion when rear terminals are short-circuited?

No
Yes

Replace speedometer
Replace speed scale change S/W

1

Speedometer
GND
KMSW