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Symptom Troubleshooting - Automatic Transaxle (FS5A-EL): Specifications Mazda 3 BL

NO.12 TORQUE CONVERTER CLUTCH (TCC) NON-OPERATION [FS5A-EL]

12Torque converter clutch (TCC) non-operation
DESCRIPTIONTCC does not operate when vehicle reaches TCC operation range.
POSSIBLE CAUSEBasically, the TCC does not operate when the fail-safe is operating. Verify the DTC first. CAUTION: If the TCC is stuck, inspect it. In addition, inspect the oil cooler for foreign particles which may have mixed in with the ATF. TCC burnt Input sensor system malfunction Transaxle fluid temperature sensor Vehicle speed sensor Input/turbine speed sensor Sensor GND Output solenoid valve system malfunction (Sticking) Shift solenoid E malfunction Shift solenoid A malfunction Control valve body malfunction system (Poor operation, stuck) TCC hydraulic pressure system TP sensor malfunction (Not operating linear) APP sensor malfunction (Not operating linear) Input/turbine speed sensor or vehicle speed sensor malfunction Brake switch malfunction (Always ON) ECT sensor malfunction NOTE: Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.
CAUTION
If the TCC is stuck, inspect it. In addition, inspect the oil cooler for foreign particles which may have mixed in with the ATF.
NOTE
Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.

DESCRIPTION AND POSSIBLE CAUSES

NO.16 JUDDER UPON TORQUE CONVERTER CLUTCH (TCC) OPERATION [FS5A-EL]

16Judder upon torque converter clutch (TCC) operation
DESCRIPTIONVehicle jolts when TCC is engaged.
POSSIBLE CAUSEPoor TCC engagement due to either slippage because the TCC is stuck or the line pressure is low CAUTION: If the TCC is stuck, inspect it. In addition, inspect the oil cooler for foreign particles which may have mixed in with the ATF. Torque converter clutch piston slippage, burnt Line pressure high Shift solenoid A malfunction Shift solenoid E malfunction Control valve body malfunction Body GND malfunction Pressure control solenoid A malfunction Signal malfunction Vehicle speed sensor malfunction Sensor GND malfunction TFT sensor malfunction APP sensor malfunction TP sensor malfunction Input/turbine speed sensor malfunction Torque converter malfunction NOTE: Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.
CAUTION
If the TCC is stuck, inspect it. In addition, inspect the oil cooler for foreign particles which may have mixed in with the ATF.
NOTE
Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.

DESCRIPTION AND POSSIBLE CAUSES

NO.19 EXCESSIVE SHIFT SHOCK ON TORQUE CONVERTER CLUTCH (TCC)[FS5A-EL]

19Excessive shift shock on torque converter clutch (TCC)
DESCRIPTIONStrong shock is felt when the TCC is engaged.
POSSIBLE CAUSEThe troubleshooting flow is the same as No.16 "JUDDER UPON TCC OPERATION".

DESCRIPTION AND POSSIBLE CAUSES