Mitsubishi Montero (2002-2004). Manual — part 383
INPUT SIGNAL PROCEDURES
TSB Revision
SWS INPUT SIGNAL PROCEDURES
54Bc-79
STEP 5. Check the wiring harness between driver's door
lock key cylinder switch connector H-03 (terminal 2) and
ground.
NOTE: Also check intermediate connector D-25 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If intermediate connectors D-25 is damaged, Repair
or replace the damaged component(s) as described in GROUP
00E, Harness Connector Inspection
Q: Is the wiring harness between driver's door lock key
cylinder switch connector H-03 (terminal 2) and ground
in good condition?
YES : No action is necessary and testing is complete.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. If the
systems, which are described in "CIRCUIT
OPERATION", work normally, the input signal from
the driver's door lock key cylinder switch should be
normal.
AC204180
CONNECTOR : H-03
AB
HARNESS SIDE
<DRIVER'S SIDE>
H-03(B)
H-03(B)
1
2
3
AC204170
CONNECTOR : D-25
AE
10
9
31
30
20 21
7
6
28
17 18
8
19
29
4
3
25 26
14 15
1
23
12
2
13
24
5
16
27
11
22
32
INPUT SIGNAL PROCEDURES
TSB Revision
SWS INPUT SIGNAL PROCEDURES
54Bc-80
STEP 6. Check driver's door lock key cylinder switch
connector H-03 and ETACS-ECU connector D-223 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Are driver's door lock key cylinder switch connector H-
03 and ETACS-ECU connector D-223 in good condition?
YES : Go to Step 7.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. If the systems, which are described in
"CIRCUIT OPERATION", work normally, the input
signal from the driver's door lock key cylinder switch
should be normal.
AC204174
CONNECTOR : D-223
AC
D-223(B)
D-223(B)
HARNESS SIDE
42
43
50
51
45
46
53
54
52
44
48
5655
47
49
41
AC204180
CONNECTOR : H-03
AB
HARNESS SIDE
<DRIVER'S SIDE>
H-03(B)
H-03(B)
1
2
3
INPUT SIGNAL PROCEDURES
TSB Revision
SWS INPUT SIGNAL PROCEDURES
54Bc-81
STEP 7. Check the wiring harness between driver's door
lock key cylinder switch connector H-03 (terminals 1 and
3) and ETACS-ECU connector D-223 (terminals 52 and 50).
NOTE: Also check intermediate connector D-25 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If intermediate connectors D-25 is damaged, Repair
or replace the damaged component(s) as described in GROUP
00E, Harness Connector Inspection
Q: Is the wiring harness between driver's door lock key
cylinder switch connector H-03 (terminals 1 and 3) and
ETACS-ECU connector D-223 (terminals 52 and 50) in
good condition?
YES : Replace the ETACS-ECU. If the systems, which are
described in "CIRCUIT OPERATION", work normally,
the input signal from the driver's door lock key
cylinder switch should be normal.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. If the
systems, which are described in "CIRCUIT
OPERATION", work normally, the input signal from
the driver's door lock key cylinder switch should be
normal.
AC204174
CONNECTOR : D-223
AC
D-223(B)
D-223(B)
HARNESS SIDE
42
43
50
51
45
46
53
54
52
44
48
5655
47
49
41
AC204180
CONNECTOR : H-03
AB
HARNESS SIDE
<DRIVER'S SIDE>
H-03(B)
H-03(B)
1
2
3
AC204170
CONNECTOR : D-25
AE
10
9
31
30
20 21
7
6
28
17 18
8
19
29
4
3
25 26
14 15
1
23
12
2
13
24
5
16
27
11
22
32
INPUT SIGNAL PROCEDURES
TSB Revision
SWS INPUT SIGNAL PROCEDURES
54Bc-82
STEP 8. Check the front passenger's door lock key
cylinder switch.
Disconnect front passenger's door lock key cylinder switch con-
nector H-18. Then check continuity between the switch termi-
nals.
Q: Is the front passenger's door lock key cylinder switch in
good condition?
YES : Go to Step 9.
NO : Replace the front passenger's door lock key cylinder
switch. If the systems, which are described in
"CIRCUIT OPERATION", work normally, the input
signal from the front passenger's door lock key
cylinder switch should be normal.
STEP 9. Check the ground circuit to the front passenger’s
door lock key cylinder switch. Test at front passenger’s
door lock key cylinder switch connector H-18.
(1) Disconnect front passenger's door lock key cylinder switch
connector H-18 measure the resistance available at the
wiring harness side of the connector.
(2) Measure the resistance value between terminal 2 and
ground.
• The resistance should equal 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 12.
NO : Go to Step 10.
SWITCH
POSITION
TESTER
CONNECTION
SPECIFIED
CONDITION
LOCK
1
− 2
Less than 2 ohms
Neutral (OFF)
1
− 2, 2 − 3
Open circuit
UNLOCK
2
− 3
Less than 2 ohms
ACX02410
1
2
3
AC204181
CONNECTOR : H-18
AC
HARNESS SIDE
<PASSENGER'S SIDE>
H-18(B)
H-18(B)
1
2
3
3
1
2
ACX01601AD
CONNECTOR H-18
(HARNESS SIDE)
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