Mitsubishi Montero Sport (2004+). Manual — part 572
THEFT ALARM
TSB Revision
CHASSIS ELECTRICAL
54-275
STEP 4. Measure the theft-alarm horn relay power supply
voltage at the theft-alarm horn relay connector C-100.
(1) Disconnect the theft-alarm horn relay connector C-100 and
measure at the relay box side.
(2) Measure the voltages between terminals 1, 2 and ground.
• The measured value should be approximately 12 volts
(battery positive voltage).
Q: Does the measured voltage correspond with this range?
YES : Go to Step 7.
NO : Go to Step 5.
STEP 5. Check theft-alarm horn relay connector C-100 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is theft-alarm horn relay connector C-100 in good
condition?
YES : Go to Step 6.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. The theft-alarm horn
should sound when the theft-alarm system is
triggered.
STEP 6. Check the harness wires between theft-alarm horn
relay connector C-100 (terminal No.2) and fusible link (8).
AC201904
CONNECTOR: C-100
AB
COMPONENT SIDE
1
3
4
2
AC003823
CONNECTOR C-100
(RELAY BOX SIDE)
AB
AC201904
CONNECTOR: C-100
AB
COMPONENT SIDE
1
3
4
2
AC201904
CONNECTOR: C-100
AB
COMPONENT SIDE
1
3
4
2
THEFT ALARM
TSB Revision
CHASSIS ELECTRICAL
54-276
NOTE: After checking junction block connector D-02 and D-13,
check the wires. If junction block connector D-02 and D-13 are
damaged, repair or replace them. Refer to GROUP 00E, Har-
ness Connector Inspection
.
Q: Are the harness wires between theft-alarm horn relay
connector C-100 (terminal No.2) and fusible link (8) in
good condition?
YES : There is no action to be taken.
NO : Repair them. The theft-alarm horn should sound when
the theft-alarm system is triggered.
STEP 7. Check theft-alarm horn relay connector C-100 and
ETACS-ECU connector D-26 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are theft-alarm horn relay connector C-100 and
ETACS-ECU connector D-26 in good condition?
YES : Go to Step 8.
NO : Repair or replace them. Refer to GROUP 00E,
Harness Connector Inspection
. The
theft-alarm horn should sound when the theft-alarm
system is triggered.
AC201905
1
CONNECTOR: D-02
AB
COMPONENT SIDE
JUNCTION BLOCK (FRONT)
D-02 (GR)
AC200758
1
10
2
11
3
12
4
13
14
15
5
16
6
17
7
18
8
19
9
20
CONNECTOR: D-13
AC
COMPONENT SIDE
JUNCTION BLOCK
(REAR SIDE)
D-13
AC201904
CONNECTOR: C-100
AB
COMPONENT SIDE
1
3
4
2
AC201902
1
2
8 7
4
10
5
11
12
6
9
3
CONNECTOR: D-26
AB
COMPONENT SIDE
JUNCTION BLOCK (REAR)
21
22
23
24
25
26
27
28
29
30
31
32
D-26 (B)
THEFT ALARM
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CHASSIS ELECTRICAL
54-277
STEP 8. Check the harness wires between theft-alarm horn
relay connector C-100 (terminal No.4) and ETACS-ECU
connector D-26 (terminal No.25).
NOTE: After checking diode C-111 (for theft-alarm system),
check the wires. If diode C-111 (for theft-alarm system) is dam-
aged, repair or replace it. Refer to GROUP 00E, Harness Con-
nector Inspection
.
Q: Are the harness wires between theft-alarm horn relay
connector C-100 (terminal No.4) and ETACS-ECU
connector D-26 (terminal No.25) in good condition?
YES : Go to Step 9.
NO : Repair them. The theft-alarm horn should sound
when the theft-alarm system is triggered.
AC201904
CONNECTOR: C-100
AB
COMPONENT SIDE
1
3
4
2
AC201902
1
2
8 7
4
10
5
11
12
6
9
3
CONNECTOR: D-26
AB
COMPONENT SIDE
JUNCTION BLOCK (REAR)
21
22
23
24
25
26
27
28
29
30
31
32
D-26 (B)
AC003830 AD
DIODE: C-111(FOR THEFT-ALARM SYSTEM)
THEFT ALARM
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CHASSIS ELECTRICAL
54-278
STEP 9. Check theft-alarm horn relay connector C-100 and
theft-alarm horn connector A-91 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are theft-alarm horn relay connector C-100 and
theft-alarm horn connector A-91 in good condition?
YES : Go to Step 10.
NO : Repair or replace them. Refer to GROUP 00E,
Harness Connector Inspection
. The
theft-alarm horn should sound when the theft-alarm
system is triggered.
STEP 10. Check the harness wire between theft-alarm horn
relay connector C-100 (terminal No.3) and theft-alarm horn
connector A-91 (terminal No.1).
AC201904
CONNECTOR: C-100
AB
COMPONENT SIDE
1
3
4
2
AC003828AB
AC201906
;
;
;
;
;
;
;
;
;
;;
;;
1
CONNECTOR: A-91
AB
HARNESS SIDE A-91(B)
AC201904
CONNECTOR: C-100
AB
COMPONENT SIDE
1
3
4
2
AC003828AB
AC201906
;
;
;
;
;
;
;
;
;
;;
;;
1
CONNECTOR: A-91
AB
HARNESS SIDE A-91(B)
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