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AUTOMATIC TRANSMISSION DIAGNOSIS TSB Revision AUTOMATIC TRANSMISSION 23A-417 INSPECTION PROCEDURE USING AN OSCILLOSCOPE M1231109500119 Waveform sample TERMINAL INSPECTION ITEM INSPECTION REQUIREMENT NORMAL CONDITION 45 Crankshaft position Transmission Idling (Vehicle Waveform A 103 Input shaft speed sensor Transmission range: 3 Driving at constant Waveform B 104 Output shaft speed 80 Vehicle speed sensor Waveform C 129 Low-reverse solenoid • Ignition switch: ON • Transmission range: P • Engine: Stopped • Throttle (Accelerator) Force drive each Waveform D 120 Underdrive solenoid 106 Second solenoid valve 130 Overdrive solenoid valve 107 Torque converter clutch AC001872AE WAVEFORM A (V) 0 5 (ms) AC001873AD WAVEFORM B (V) 0 5 (ms) AC001873AE WAVEFORM C (V) 0 12 (ms) AC001875AD WAVEFORM D (V) 0 20 (ms) 40 60 |