Mitsubishi Montero (2002-2004). Manual - part 869
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION DIAGNOSIS
23Ab-17
HYDRAULIC PRESSURE TEST DIAGNOSIS TABLE
SYMPTOM
PROBABLE CAUSE
All hydraulic pressures are high.
Malfunction of the regulator valve
All hydraulic pressures are low.
Malfunction of the oil pump
Clogged internal oil filter
Clogged oil cooler
Malfunction of the regulator valve
Malfunction of the relief valve
Incorrect valve body installation
Improperly installed solenoid valves
Damaged solenoid valve O-rings
Hydraulic pressure is abnormal in
reverse gear only.
Malfunction of the regulator valve
Clogged orifice
Incorrect valve body installation
Hydraulic pressure is abnormal in 3rd
or 4th gear only.
Malfunction of the overdrive solenoid valve
Malfunction of the overdrive pressure control valve
Malfunction of the regulator valve
Malfunction of the switch valve
Clogged orifice
Incorrect valve body installation
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 oil seal Q
Malfunction of the underdrive solenoid valve
Malfunction of the underdrive pressure control valve
Malfunction of the check ball
Clogged orifice
Incorrect valve body installation
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