Mitsubishi Montero Sport (2004+). Manual — part 573
THEFT ALARM
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CHASSIS ELECTRICAL
54-279
NOTE: After checking intermediate connector C-85, check the
wires. If intermediate connector C-85 is damaged, repair or
replace it. Refer to GROUP 00E, Harness Connector Inspec-
tion
.
Q: Is the harness wire between horn relay connector C-100
(terminal No.3) and theft-alarm horn connector A-91
(terminal No.1) in good condition?
YES : Go to Step 11.
NO : Repair it. The theft-alarm horn should sound when the
theft-alarm system is triggered.
STEP 11. Check that the theft-alarm horn is installed
properly.
NOTE: The theft-alarm horn is grounded to the body through
the installation bolts.
Q: Is the theft-alarm horn installation in good condition?
YES : Go to Step 12.
NO : Repair it. The theft-alarm horn should sound when the
theft-alarm system is triggered.
STEP 12. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES : This procedure is complete. (If no malfunctions are
found in all steps, an intermittent malfunction is
suspected. Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Point
− How to
Cope with Intermittent Malfunction
.)
NO : Go to Step 1.
AC201907
11
4
3
9
8
10
5 6
2
1
7
CONNECTOR: C-85
AB
C-85
THEFT ALARM
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CHASSIS ELECTRICAL
54-280
INSPECTION PROCEDURE 3: Headlights do not Flash when the Theft-alarm System is Triggered.
Headlight Drive Circuit
AC003830
CONNECTOR: C-70
AI
C-70
AC003830
CONNECTOR: C-85
AH
C-85
THEFT ALARM
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CHASSIS ELECTRICAL
54-281
.
TECHNICAL DESCRIPTION (COMMENT)
If the headlights work normally, the ETACS-ECU may
be defective.
.
TROUBLESHOOTING HINTS
• Malfunction of the ETACS-ECU
• Damaged harness wires or connectors
.
DIAGNOSIS
STEP 1. Check the headlight operation.
Q: Do the headlights illuminate normally?
YES : Go to Step 2.
NO : Check the headlight circuit.
STEP 2. Check the ETACS-ECU.
(1) Disconnect the ETACS-ECU connector D-26 and measure
at the harness side.
(2) Lighting switch OFF position.
(3) Check that the headlight illuminates when terminal number
29 and ground.
Q: Do the headlights illuminates?
YES : Replace the ETACS-ECU. There is no action to be
taken.
NO : Go to Step 3.
AC003524
CONNECTOR: D-26
AC
JUNCTION BLOCK (REAR)
D-26 (B)
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)
21
22
23
24
25
26
27
28
29
30
31
32
AC003845
D-26 HARNESS CONNECTOR:
COMPONENT SIDE
AC
THEFT ALARM
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CHASSIS ELECTRICAL
54-282
STEP 3. Check the harness wires between joint connector
C-70 (terminal No.26) and ETACS-ECU connector D-26
(terminal No.29).
NOTE: After checking intermediate connector C-85, check the
wires. If intermediate connector C-85 is damaged, repair or
replace it. Refer to GROUP 00E, Harness Connector Inspec-
tion
.
Q: Are the harness wires between joint connector C-70
(terminal No.26) and ETACS-ECU connector D-26
(terminal No.29) in good condition?
YES : Go to Step 4.
NO : Repair or replace them. Refer to GROUP 00E,
Harness Connector Inspection
. The
headlights are flash when the theft-alarm system is
triggered.
AC201908
9 10
8
6 7
31 32
30
29
18 19 20 21
5
4
2
1
3
27
26
24
23
25
12 13 14 15 16 17
28
11
22
33
CONNECTOR: C-70
AB
C-70
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)
AC201907
11
4
3
9
8
10
5 6
2
1
7
CONNECTOR: C-85
AB
C-85
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