TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
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AT/Automatic Transmission14 / 120
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AUTOMATIC TRANSMISSION — Electric Control — MK2 Supra Automatic Transmission, page 14
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Continued from page AT-13 Connect ECT ECU connector and while driving does DG terminal voltage rise from 0V to 7V in sequence? 0V 0 → 7V • Transmission faulty • Solenoid faulty 0 → 5V Proceed to trouble 4 (AT-16) 0 → 3V There is 12V between ECT ECU terminals 2 — GND when D range. Yes | No There is 12V between ECT ECU terminals L — GND when D range. No | Yes • Neutral start switch circuit faulty • Neutral start switch faulty Try another ECT ECU