AUTOMATIC TRANSMISSION DIAGNOSIS
AUTOMATIC TRANSMISSION23A-29
Only underdrive clutch hydraulic
pressure is abnormal.Malfunction of the oil seal K
Malfunction of the oil seal L
Malfunction of the oil seal M
Malfunction of the underdrive solenoid valve
Malfunction of the underdrive pressure control valve
Malfunction of the check ball
Clogged orifice
Incorrect valve body installation
Malfunction of the accumulator for underdrive clutch
Only reverse clutch hydraulic
pressure is abnormal.Malfunction of the oil seal A
Malfunction of the oil seal B
Malfunction of the oil seal C
Clogged orifice
Incorrect valve body installation
Only overdrive clutch hydraulic
pressure is abnormal.Malfunction of the oil seal D
Malfunction of the oil seal E
Malfunction of the oil seal F
Malfunction of the overdrive solenoid valve
Malfunction of the overdrive pressure control valve
Malfunction of the check ball
Clogged orifice
Incorrect valve body installation
Malfunction of the accumulator for overdrive clutch
Only direct clutch hydraulic
pressure is abnormal.Malfunction of the oil seal R, S or T
Malfunction of the low-reverse solenoid valve(also used for direct clutch)
Malfunction of the low-reverse pressure control valve
Malfunction of the switch valve
Malfunction of the fail safe valve C
Clogged orifice
Incorrect valve body installation
Only low-reverse brake
hydraulic pressure is abnormal.Malfunction of the oil seal I
Malfunction of the oil seal J
Malfunction of the low-reverse solenoid valve
Malfunction of the low-reverse pressure control valve
Malfunction of the switch valve
Malfunction of the fail safe valve A
Malfunction of all the check balls
Clogged orifice
Incorrect valve body installation
Malfunction of the accumulator for low-reverse brake SYMPTOM PROBABLE CAUSE
AUTOMATIC TRANSMISSION DIAGNOSIS
AUTOMATIC TRANSMISSION23A-30
Only second brake hydraulic
pressure is abnormal.Malfunction of the oil seal G
Malfunction of the oil seal H
Malfunction of the oil seal O
Malfunction of the second solenoid valve
Malfunction of the second pressure control valve
Malfunction of the fail safe valve B
Clogged orifice
Incorrect valve body installation
Malfunction of the accumulator for second brake
Only reduction brake hydraulic
pressure is abnormal.Malfunction of the oil seal U or V
Malfunction of the reduction solenoid valve
Malfunction of the reduction pressure control valve
Clogged orifice
Incorrect valve body installation
Only torque converter pressure
is abnormal.Clogged oil cooler
Malfunction of the oil seal N
Malfunction of the torque converter clutch solenoid
Malfunction of the torque converter pressure control valve
Clogged orifice
Incorrect valve body installation
Pressure applied to element
which should not receive
pressure.Incorrect transmission control cable adjustment
Malfunction of the manual valve
Malfunction of the check ball
Incorrect valve body installation SYMPTOM PROBABLE CAUSE
