Mitsubishi Montero (2002-2004). Manual — part 334
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-383
NOTE: Also check intermediate connector D-28, joint connec-
tor A-15, junction block connectors D-208 and D-210 for loose,
corroded, or damaged terminals, or terminals pushed back in
the connector. If intermediate connector D-28, joint connector
A-15, junction block connectors D-208 or D-210 is damaged,
repair or replace the damaged component(s) as described in
GROUP 00E, Harness Connector Inspection
Q: Is the wiring harness between daytime running light-
ECU connector A-40 (terminal 2) and the ignition switch
(IG2) 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. The daytime
running light function should now work normally.
AC204167
CONNECTOR : A-15
AD
14
13
4
1112
5
3
10
8 9
2
7
1
6
AC204170
CONNECTOR : D-28
AI
2 3
27
32
28
33
16
15
4 5
19
18
29
17
34
7 8
35
22
21
9 10
30
36
31
37
25
24
23
6
20
1
14
26
11
13
12
38
AC204191
CONNECTORS: D-208, D-210
D-208
AC
HARNESS SIDE
HARNESS SIDE
D-210
D-208
D-210
1
2
3
5
6
4
1
2
7 6
3
9
4
11
12
10
13
5
8
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-384
STEP 11. Check daytime running light-ECU connector A-40
and headlight (RH) connector A-32 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are daytime running light-ECU connector A-40 and
headlight (RH) connector A-32 in good condition?
YES : Go to Step 12.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. The daytime running light function should
now work normally.
STEP 12. Check the wiring harness between daytime
running light-ECU connector A-40 (terminal 3) and the
headlight (RH) connector A-32 (terminal 1).
Q: Is the wiring harness between daytime running light-
ECU connector A-40 (terminal 3) and headlight (RH)
connector A-32 (terminal 1) in good condition?
YES : Replace the daytime running light-ECU. The daytime
running light function should now work normally.
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. The daytime
running light function should now work normally.
AC204184
CONNECTORS : A-32, A-40
A-40(B)
A-32(B)
HARNESS SIDE
AC
A-32(B)
HARNESS SIDE
A-40(B)
1
4
2
3
6 5
2
1
Y
3
AC204184
CONNECTORS : A-32, A-40
A-40(B)
A-32(B)
HARNESS SIDE
AC
A-32(B)
HARNESS SIDE
A-40(B)
1
4
2
3
6 5
2
1
Y
3
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-385
INSPECTION PROCEDURE J-12: Headlight and Taillight: When the daytime running light function is
operating, the headlights (low-beam) continue lighting in a reduced beam state even if the headlight
switch turns on. <vehicles for Canada>
.
TECHNICAL DESCRIPTION (COMMENT)
The front-ECU may be defective if the daytime run-
ning light function does not operate normally.
.
TROUBLESHOOTING HINT
The front-ECU may be defective
DIAGNOSIS
STEP 1. Check the headlight operation.
Q: Do the headlights illuminate?
YES : Go to Step 2.
NO : Repair the headlights first (Refer to
).
STEP 2. Replace the front-ECU.
Q: Do the daytime running light function work normally?
YES : No action is necessary and testing is complete.
NO : Refer to Inspection Procedure J-11 "Daytime running
light function does not work normally
Daytime Running Light Circuit
SYMPTOM PROCEDURES
TSB Revision
SWS SYMPTOM PROCEDURES
54Bb-386
INSPECTION PROCEDURE J-13: Headlight and Taillight: When the ignition switch is turned from on
to off, the headlights darken significantly. <vehicles for Canada>
Daytime Running Light Power Supply Circuit
AC204183
CONNECTOR : A-07X
AG
AC204167
CONNECTOR : A-15
AM
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