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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-389 INSPECTION PROCEDURE USING AN OSCILLOSCOPE M1231008500283 Waveform sample TERMINAL INSPECTION ITEM INSPECTION REQUIREMENT NORMAL 45 Crankshaft position Selector lever position: Idling (Vehicle stopped) Waveform A 103 Input shaft speed Selector lever position: Driving at constant speed of − 1,900 r/min, 3.0L Engine: 1,300 − 1,600 r/min) Waveform B 104 Output shaft speed 80 Vehicle speed signal Waveform C 129 Low-reverse solenoid • Ignition switch: ON • Selector lever position: P • Engine: Stopped • Throttle (Accelerator) Force drive each solenoid Waveform D 120 Underdrive solenoid 106 Second solenoid valve 130 Overdrive solenoid 107 Torque converter clutch AC001872AE WAVEFORM A (V) 0 5 (ms) AC001873AD WAVEFORM B (V) 0 5 (ms) AC001872AF WAVEFORM C (V) 0 12 (ms) AC001875AD WAVEFORM D (V) 0 20 (ms) 40 60 |