Toyota Supra Cressida Electronic Transmission Diagnosis Manual Book date 1990 Book number 36904E Book size A4 with about 110 pages Contents General information How to diagnose ECT and how to use this manual Abbreviations used in this manual Necessary tools and equipment General precautions System layout, Supra, Cressida ECU Connector A43DE ECT, sectional views, components Electronic system evaluation tests Supra Cressida Mechanical system evaluation tests and diagnosis charts System or parts inspection charts Electronic system charts as follows OD Switch and OD OFF lamp circuitry No diag. code or malfunction code indicated ( only for Cressida ) Intermittent trouble or problems Speed sensors circuitry ( for Supra ) Speed sensors circuitry ( for Cressida ) Solenoid valve circuitry ( for Supra ) Solenoid valve circuitry ( for Cressida ) Throttle position sensor circuitry Brake light signal circuitry Pattern select switch circuitry Neutral start switch and shift position indicator circuitry OD cancel signal circuitry Mechanical system Automatic transmission fluid problems Solenoid valve operational check Adjustment of throttle cable, manual linkage and neutral start switch Appendix Theory and operation of ECT Very good condition Very rare
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