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Symptom
Shock occurs from 2nd to 3rd gear.
Slippage occurs from 2nd to 3rd gear.
Shock occurs from 3rd to 4th gear.
Slippage occurs from 3rd to 4th gear.
Shock occurs when select lever is shifted from 3rd gear to 2nd
gear.
Shock occurs when select lever is shifted from 2nd gear to 1st
gear.
Diagnostics with Phenomenon
• TCM
• Torque converter turbine speed sensor
• Accelerator pedal position sensor
• 2-4 brake duty solenoid
• ATF temperature sensor
• Line pressure linear solenoid
• Low & reverse duty solenoid
• Control valve
• High clutch
• 2-4 brake
• ATF deterioration
• Engine performance
• High clutch duty solenoid
• TCM
• Accelerator pedal position sensor
• 2-4 brake duty solenoid
• ATF temperature sensor
• Line pressure linear solenoid
• Control valve
• High clutch
• 2-4 brake
• Low & reverse duty solenoid
• TCM
• Torque converter turbine speed sensor
• Accelerator pedal position sensor
• 2-4 brake duty solenoid
• ATF temperature sensor
• Line pressure linear solenoid
• Control valve
• Low clutch duty solenoid
• 2-4 brake
• ATF deterioration
• Engine performance
• TCM
• Accelerator pedal position sensor
• 2-4 brake duty solenoid
• ATF temperature sensor
• Line pressure linear solenoid
• Control valve
• 2-4 brake
• TCM
• Torque converter turbine speed sensor
• Accelerator pedal position sensor
• ATF temperature sensor
• Line pressure linear solenoid
• Control valve
• 2-4 brake duty solenoid
• 2-4 brake
• ATF deterioration
• High clutch duty solenoid
• TCM
• Torque converter turbine speed sensor
• Accelerator pedal position sensor
• ATF temperature sensor
• Line pressure linear solenoid
• Control valve
• Low & reverse clutch
• ATF deterioration
• 2-4 brake duty solenoid
• Low & reverse brake duty solenoid
4AT(diag)-137
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Faulty parts
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