TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System, page 83

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p.084
Body Electrical System — MK2 Supra Body Electrical System, page 83
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Page text (OCR transcript)
Main Switch
INSPECTION OF MAIN SWITCH

INSPECT SWITCH CONTINUITY

Switch Terminal
position         1    2    3    4    5
OFF                        ○         ○
ON              ○    ○    ○         ○

If continuity is not as specified, replace the switch.

Control Switch
INSPECTION OF CONTROL SWITCH

INSPECT SWITCH CONTINUITY
Inspect the switch continuity between terminals.

Switch                Terminal   28   30   14
position                         SR   SS   EW
SET/COAST                        ○    ○
OFF
ACCEL/RESUME                ○         ○

If continuity is not as specified, replace the switch.

Clutch Switch
INSPECTION OF CLUTCH SWITCH

INSPECT SWITCH CONTINUITY
(a) Check that there is continuity between terminals 2
    and 3 with the clutch pedal depressed.
(b) Check that there is no continuity between terminals 2
    and 3 with the clutch pedal returned.

If continuity is not as specified, replace the switch.

Neutral Start Switch
(See page AT-104)

Parking Brake Switch
(See step 3 on page BE-30)

Speed Sensor
INSPECTION OF SPEED SENSOR

1.  INSPECT SENSOR CONTINUITY (ANALOG METER)
    Check that there is continuity between terminals C-6 and
    C-7 four times per each revolution of the shaft.
    If continuity is not as specified, replace the sensor.

2.  INSPECT SENSOR CONTINUITY (DIGITAL METER)
    (See page BE-42)