Mitsubishi Montero (2004+). Manual — part 23
HARNESS CONNECTOR INSPECTION
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GENERAL <ELECTRICAL>
00E-3
CONNECTOR TERMINAL ENGAGEMENT AND
DISENGAGEMENT
Loosely engaged terminals can be repaired by removing the
female terminal from the connector housing and raising its
lance to establish better engagement. Removal of the connec-
tor terminal used for MFI and INVECS-II A/T control circuit can
be done in the following manner.
.
COMPUTER CONNECTOR
1. Insert a screwdriver [1.4 mm (0.06 inch) width] as shown in
the figure, disengage the front holder, and remove it.
2. Push the harness wire of the terminal to be repaired deep
into the connector from the harness side and hold it there.
3. Insert the tip of the screwdriver [1.4 mm (0.06 inch) width]
into the connector as shown in the figure, raise the housing
lance slightly with the tip, and pull out the terminal.
4. Insert a needle through the hole provided on the terminal
and raise the contact point. Lightly squeeze the outer edge
so the flats are parallel with the bottom.
.
ACX00904AB
FRONT
HOLDER
FRONT HOLDER
ACX00905
ACX00906 AB
HOUSING LANCE
ACX00907 AB
NEEDLE
NEEDLE
HARNESS CONNECTOR INSPECTION
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GENERAL <ELECTRICAL>
00E-4
ROUND WATERPROOF CONNECTOR
1. Remove the waterproof cap by using a screwdriver.
2. Insert the tip of the screwdriver [1.4 mm (0.06 inch) or 2.0
mm (0.08 inch) width] into the connector as shown in the
figure, raise the housing lance slightly with the tip, and pull
out the terminal.
3. Insert a screwdriver through the hole provided on the
terminal and raise the contact point. Lightly squeeze the
outer edge so the flats are parallel with the bottom.
.
RECTANGULAR WATERPROOF CONNECTOR
1. Disengage the front holder with a screwdriver and remove it.
2. Insert the tip of a screwdriver [0.8 mm (0.03 inch) width] into
the connector as shown in the figure, push it lightly to raise
the housing lance, and pull out the terminal.
ACX00908 AB
HOUSING LANCE
ACX00909
ACX00910AB
FRONT HOLDER
FRONT
HOLDER
ACX00911AB
HOUSING LANCE
HOW TO DIAGNOSE
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GENERAL <ELECTRICAL>
00E-5
3. Press the contact point of the female terminal down by
holding a screwdriver [1.4 mm (0.06 inch) width] as shown in
the figure. Lightly squeeze the outer edge so the flats are
parallel with the bottom.
.
INJECTOR CONNECTOR
1. Remove the waterproof cap.
2. Insert the tip of a screwdriver [1.4 mm (0.06 inch) width] into
the connector as shown in the figure, press in the terminal
lance, and pull out the terminal.
CAUTION
Make sure the lance is pressed in before the terminal is
inserted into the connector.
3. Press the contact point of the male terminal down by holding
a screwdriver [1.4 mm (0.06 inch) width] as shown in the
figure.
HOW TO DIAGNOSE
HOW TO DIAGNOSE
M1001004300086
The most important point in troubleshooting is to
determine "Probable Cause." Once the probable
causes are determined, parts to be checked can be
limited to those associated with such probable
causes. The determination of the probable causes
must be based on a theory and be supported by facts
and must not be based on intuition only.
ACX00912
ACX00913AB
WATERPROOF
CAP
ACX00914AB
TERMINAL LANCE
HOW TO DIAGNOSE
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GENERAL <ELECTRICAL>
00E-6
TROUBLESHOOTING STEPS
M1001004400049
If an attempt is made to solve a problem without going through correct steps for troubleshooting, the symp-
toms could become more complicated, resulting in failure to determine the causes correctly and making
incorrect repairs. The four steps below should be followed in troubleshooting.
INFORMATION FOR DIAGNOSIS
M1001004500132
This manual contains the harness diagrams as well as the individual circuit drawings, operational explana-
tions, and troubleshooting hints for each component. The information is presented in the following manner:
1. Connector diagrams show the connector
positions, etc., on the actual vehicle as well as the
harness path.
2. Circuit diagrams show the configuration of the
circuit with all switches in their normal positions.
3. Operational explanations include circuit drawings
of current flow when the switch is operated and
how the component reacts.
4. Troubleshooting hints include numerous
examples of problems which might occur, traced
backward in a common-sense manner to the
origin of the trouble. Problems whose origins may
not be found in this manner are pursued through
the various system circuits.
NOTE: Components of MFI, ETACS, etc. with ECU do not include 3 and 4 above. For this information, refer
to a relevant group which includes details of these components.
ACX00915
3
Checking of Parts Associated with
Probable Causes and Determination
of Faulty Parts
2 Determination of Probable Causes
4 Repair and Confirmation
Observe the symptom carefully. Check if there are also
other problems.
In determining the probable causes, it is necessary to
study the wiring diagram to understand the circuit as a
system. Knowledge of switches, relays and other parts is
necessary for accurate analysis. The causes of similar
problems in the past must be taken into account.
Troubleshooting is carried out by making step-by-step
checks until the cause is found.
After the problems are corrected, be sure to check that the
system operates correctly. Also check that new problems
have not been caused by the repair.
AC
1 Observation of Problem Symptoms
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