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AUTOMATIC TRANSAXLE DIAGNOSIS <A/T> TSB Revision AUTOMATIC TRANSAXLE 23C-69 LOGIC FLOW CHARTS (Monitor Sequence) <P0741> . DTC SET CONDITIONS <P0741> Check Conditions • Lock-up status: engaging. • Transmission range switch: D Judgement Criteria • Calculated slip (engine speed - input shaft speed): (40 + 0.035 × output shaft speed>)/2 or more. (30 seconds) . OBD-II DRIVE CYCLE PATTERN <P0741> Driving at 55 km/h (34.2 mph) or more with the shift . DESCRIPTIONS OF MONITOR METHODS • When the input shaft speed sensor and the out- put shaft speed sensor are normal at the "D" . MONITOR EXECUTION <P0742> • Transmission range: D range driving with the lock-up activated . MONITOR EXECUTION CONDITIONS Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Not applicable Sensor (The sensor below is determined to be normal) • Not applicable . Yes Yes Yes START Ne: Engine speed (r/min) ISS : Input shaft speed (r/min) N OSS : Output shaft speed (r/min) Good END No No No
Malfunction AC802668 Lockup engaged Ne - N ISS (40 + 0.035 N OSS ) / 2 Continuous failure for 30 secs. |