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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-190 LOGIC FLOW CHARTS (Monitor Sequence) . DTC SET CONDITIONS Check Conditions • Solenoid status: either solid ON or OFF. • Shift status: in-gear. • Voltage of battery: 10 volts or more. Judgement Criteria • Solenoid voltage: 3 volts or less. (0.3 second) • If DTC 31 (P0753) 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 low-reverse solenoid valve • Damaged harness or connector • Malfunction of the PCM AC205281 Good Malfunction END START In-gear? Shift solenoid-A is in ON Voltage of battery > 10 V Solenoid circuit Continuous failure Yes No Yes No Yes No Yes No Yes No Low-reverse solenoid valve AB |