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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-234 LOGIC FLOW CHARTS (Monitor Sequence) . DTC SET CONDITIONS Check Conditions • Solenoid status: either solid ON or OFF. • Voltage of battery: 10 volts or more. Judgement Criteria • Solenoid voltage: 3 volts or less. (0.3 second) • If DTC 36 (P0743) is set consecutively four times, the transaxle is locked into 3rd gear as a fail-safe . OBD-II DRIVE CYCLE PATTERN Start the engine, and keep the vehicle stopped in "P" . TROUBLESHOOTING HINTS (THE MOST • Malfunction of the torque converter clutch sole- noid valve • Damaged harness or connector • Malfunction of the PCM AC205240 START END TCC solenoid is in ON Voltage of battery > 10 V Solenoid circuit Continuous failure Good Malfunction Yes No Yes No Yes No Yes No TCC solenoid valve is in AC |