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TROUBLESHOOTING <A/T KEY INTERLOCK AND SHIFT LOCK MECHANISMS> AUTOMATIC TRANSMISSION (FF) 23A-123 OSCILLOSCOPE INSPECTION M1231008500379 WAVEFORM SAMPLE TROUBLESHOOTING <A/T KEY INTERLOCK AND SHIFT LOCK MECHANISMS> TROUBLE SYMPTOM CHART M1232001800510 Terminal Check item Inspection conditions Normal 70 Crank angle sensor Selector lever position: P Engine: Idling (vehicle stopped) Waveform A 79 Vehicle speed signal Selector lever position: Driving at constant − 1,700 r/min) 64 Input shaft speed sensor Waveform B 73 Output shaft speed 128 LR solenoid valve • Ignition switch: ON • Selector lever position: P • Engine: Stopped • Throttle (Accelerator) opening voltage: 1 V Force drive each Waveform C 137 UD solenoid valve 136 2ND solenoid valve 138 OD solenoid valve 130 DCC solenoid valve AC001872AC (V) Waveform A (ms) 0 5 AC001874AE (V) Waveform C 0 5 AC001875 (V) Waveform D 0 20 40 60 AG Symptom Inspection Reference When the ignition key is at a position other than the LOCK (OFF) position, 1 When the ignition key is at a position other than the LOCK (OFF) position, 2 The ignition key is at the LOCK (OFF) position, but the selector lever can 3 |