TSRM/MK4 Supra/Repair Manual
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p.186

BE/Body Electrical Systems — Inspection Procedure, page 187

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p.188
Inspection Procedure — MK4 Supra Body Electrical Systems, page 187
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Page text (OCR transcript)
BE–187
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM

INSPECTION PROCEDURE

1   Check operation of overdrive.

P   Test drive after engine warm up.

C   Check that overdrive ON ↔ OFF occurs with operation of OD switch ON–OFF.

OK                          NG   Check and Repair Electronically controlled transmission (See AT section).

2   Check voltage between terminal OD of harness side connector ECU and body ground.

ON

P   Remove ECU with connector still connected.

C   (1)  Disconnect ECU connector.
    (2)  Turn ignition switch ON.
    (3)  Measure voltage between terminal OD of harness side connector of ECU and body ground.

OK  Voltage:  10 – 14 V

OD

BE3841
NO8760

OK                          NG   Go to step  5  .

Go to step  3  .