DTC P0734:00 [FS5A-EL]

id050221818100

DTC P0734:00	Gear 4 incorrect ratio
DETECTION CONDITION	•  The TCM detects that rotation ratio of the input shaft rotation speed (PID monitor item “TSS”) to output shaft rotation speed (PID monitor item “OSS”) is 1.249 or more, or 0.6 or less for 1 s when the following conditions are met. ―  Gear position: 4GR ―  Vehicle speed: 27 km/h {17 mph} or more (MZR 2.0) / 28 km/h {17 mph} or more (MZR 2.5) •  The TCM detects that rotation ratio of the input shaft rotation speed (PID monitor item “TSS”) to output shaft rotation speed (PID monitor item “OSS”) is between 0.91—1.09 for 5 s when the following conditions are met. ―  Gear position: 4GR ―  Vehicle speed: 35 km/h {22 mph} or more (MZR 2.0) / 46 km/h {29 mph} or more (MZR 2.5) ―  TCC operation: Off Diagnostic support note •  The MIL does not illuminate. •  The AT warning light illuminates if the TCM detects the above malfunction condition during the first drive cycle. •  PENDING CODE is not available. •  FREEZE FRAME DATA is not available. •  The DTC is stored in the TCM memory.
POSSIBLE CAUSE	•  Deteriorated ATF •  ATF level low •  Solenoid valve malfunction ―  Pressure control solenoid A ―  Shift solenoid A ―  Shift solenoid B ―  Shift solenoid C •  Line pressure malfunction •  Stall speed malfunction •  Forward clutch slipping •  2-4 brake band slipping •  3-4 clutch slipping •  Primary control valve body malfunction •  TCM malfunction

Diagnostic procedure