DTC NO | DIAGNOSTIC ITEM | |
P0734 | FOURTH GEAR SYSTEM | - MALFUNCTION - |
If the value resulting from driving the PG-A output (input shaft rotation speed) by the 4th gear ratio does not match the PG-B output (output shaft rotation speed) after 4th gear is engaged, DTC P0734 is output.
Detection condition | Possible cause | Check item |
● Engine speed>400rpm ● Transfer shaft speed >900rpm ● Fluid temperture>60°C ● PCM senses a signal that does not fall into the preprogrammed parameters. | Malfunction ● PG-B ● Transfer driven gear ● End clutch retainer ● Kickdown brake ● End clutch | ● Malfunction of pulse generator circuit ● Kickdown brake slippage |
SYMPTOM ● Automatic transaxle will hold in 3rd gear (D) or 2nd gear (2,L) when code P0731, P0732, P0733, P0734 is output. ● Code P0717 or P0722 may also be set (pulse generator codes). |