Mitsubishi Montero Sport (2004+). Manual - part 476
KEYLESS ENTRY SYSTEM
TSB Revision
BODY
42-159
DIAGNOSIS
STEP 1. Verify the keyless entry system.
Q: Does the keyless entry system work normally?
YES : Go to Step 2.
NO : Refer to Inspection Procedure 1 "All of the doors can
not be locked or unlocked using the transmitter
STEP 2. Check the configuration function.
Q: Has the answerback function been enabled by means of
the adjustment function?
YES : Go to Step 3.
NO : Enable the answerback function by means of the
adjustment function. Verify that the answerback
functions work normally. Rrfer to ETACS-ECU
function adjustment procedure
.
STEP 3. Check keyless entry receiver-ECU connector E-25
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is keyless entry receiver-ECU connector E-25
damaged?
YES : Repair or replace the damaged components. Refer to
GROUP 00E
, Harness Connector
Inspection.
NO : Go to Step 4.
STEP 4. Measure the resistance at keyless entry
receiver-ECU.
(1) Remove the keyless entry receiver-ECU. (Refer to
(2) Follow the table to check the keyless entry receiver-ECU
continuity.
Q: Is the measured resistance less than 2 ohms?
YES : Replace keyless entry receiver-ECU, then go to Step
NO : Go to Step 5.
AC202085
1
2
3
5 4
6
CONNECTOR: E-25
AB
E-25
COMPONENT
SIDE
TESTER CONNECTION
SPECIFIED CONDITION
2
− 4
Less than 2 ohms
AC004953
6
5
4
3
2
1