Mitsubishi Montero (2002-2004). Manual - part 980
SYMPTOM PROCEDURES <AUTOMATIC TRANSMISSION>
TSB Revision
SYMPTOM PROCEDURES
23Ad-31
DIAGNOSIS
Required Special Tool:
• MB991502: Scan Tool (MUT-II)
STEP 1. Using scan tool MB991502, check actuator test
item 06: Torque Converter Clutch Solenoid Valve.
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991502 to actuator test mode for item 06,
Torque Converter Clutch Solenoid Valve.
• An audible clicking or buzzing should be heard when the
torque converter clutch solenoid valve is energized.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the solenoid valve operating properly?
YES : Go to Step 2.
NO : Repair or replace the torque converter clutch solenoid
valve. Refer to GROUP 23B, Valve Body
Then confirm that the symptom is eliminated.
STEP 2. Check the vibration.
Q: Does the vibration occur when the transmission fluid
temperature sensor connector has been disconnected?
YES : Check the engine system. Refer to GROUP 13A,
Diagnosis
− Symptom Chart − Driving
the inspection result is not good, diagnose, repair,
and/or replace the engine component(s).
NO : Go to Step 3.
STEP 3. Check the torque converter hydraulic pressure.
Measure the torque converter hydraulic pressure. Then check if
the torque converter hydraulic pressure is within the standard
value. Refer to
, Hydraulic Pressure Test.
Q: Is the torque converter hydraulic pressure within the
standard value?
YES : Go to Step 4.
NO : Go to Step 5.
ACX01539AD
MB991502
16-PIN