Mitsubishi Montero (2004+). Manual — part 786
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-401
STEP 33. Check the wiring harness between front
turn-signal light (LH) connector A-19 (terminal 1) and
ETACS-ECU connector D-222 (terminal 15).
AC204185
CONNECTORS : A-16, A-19
A-19(B)
A-16
AD
A-16
HARNESS SIDE
A-19(B)
1
2
5 6
2 3 4
1
AC204174
CONNECTOR : D-222
AB
1
2
3
5
6
4
9 8
121110
13
15 14
16
17
7
19
20
18
JUNCTION BLOCK SIDE
D-222
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-402
NOTE: Also check junction block connector D-212, joint con-
nector A-16 and intermediate connector D-28 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If junction block connector D-212, joint connector
A-16 or intermediate connector D-28 is damaged, repair or
replace the damaged component(s) as described in GROUP
00E, Harness Connector Inspection
Q: Is the wiring harness between front turn-signal light
(LH) connector A-19 (terminal 1) and ETACS-ECU
connector D-222 (terminal 15) 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. Verify that
the turn-signal lights illuminate normally.
FOG LIGHT
GENERAL DESCRIPTION CONCERNING FOG LIGHT
M1549021400056
The following ECUs affect the functions and control
of the fog lights and fog light indicator light.
Fog light and fog light indicator light
If the ETAS-ECU sends a fog light "ON" request signal to the
front-ECU after the low-beam headlights are on, the fog light
relay is turned on, allowing the fog lights and the fog light indi-
cator light to be illuminated. If the low-beam headlights is
turned off, the fog lights will also be turn off automatically.
Therefore, if the headlights are turned on at next opportunity,
the fog lights do not illuminate.
If the high-beam headlights is turned on while the fog lights are
on, the fog lights will be turned off. Then, if you switch the head-
lights from the high-beam to the low-beam, the fog lights will be
turned on again.
NOTE: This description covers the fog lights only. In actual driv-
ing, the fog lights may be turned off due to the headlight auto-
matic shut-down function. For the details of the headlight
automatic shut-down function, refer to its Section.
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
AC204173
CONNECTOR : D-212
AF
HARNESS SIDE
7 6 5
2 1
9 8
11 10
4 3
D-212
FUNCTION
CONTROL ECU
Fog light and fog light indicator light
ETACS-ECU, front-ECU, column switch
AC106400
ON
OFF
ON
OFF
ON
OFF
Fog light
switch
Headlight
switch
ON
OFF
Dimmer
switch
Fog light
AB
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-403
General circuit diagram for the fog lights
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-404
INSPECTION PROCEDURE L-1: Fog Light: Fog lights do not illuminate when the fog light switch is
operated.
NOTE: This troubleshooting procedure requires the
use of scan tool MB991958 and SWS monitor kit
MB991862. For details on how to use the SWS mon-
itor, refer to "How to use SWS monitor
Fog Light Circuit
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