TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.186
BE/Body Electrical Systems187 / 203
p.188
INSPECTION PROCEDURE — MK4 Supra Body Electrical Systems, page 187
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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 .