Mitsubishi Montero (2002-2004). Manual — part 333
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
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STEP 4. Check the wiring harness between daytime
running light-ECU connector A-40 (terminal 1) and battery.
Q: Is the wiring harness between daytime running light-
ECU connector A-40 (terminal 1) and battery 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.
STEP 5. Check the ground circuit to the daytime running
light-ECU. Test at daytime running light-ECU connector A-
40.
(1) Disconnect daytime running light-ECU connector A-40 and
measure the resistance available at the wiring harness side
of the connector.
(2) Measure the resistance value between terminal 6 and
ground.
• The resistance should measure 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 8.
NO : Go to Step 6.
AC204166
CONNECTOR : A-40
HARNESS
SIDE
A-40(B)
A-40(B)
AH
1
4
2
3
6 5
AC204166
CONNECTOR : A-40
HARNESS
SIDE
A-40(B)
A-40(B)
AH
1
4
2
3
6 5
AC204466
5
6
3 2
4
1
CONNECTOR: A-40
(HARNESS SIDE)
AB
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
54Bb-380
STEP 6. Check daytime running light-ECU connector A-40
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is daytime running light-ECU connector A-40 in good
condition?
YES : Go to Step 7.
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 7. Check the wiring harness between daytime
running light-ECU connector A-40 (terminal 6) and ground.
Q: Is the wiring harness between daytime running light-
ECU connector A-40 (terminal 6) 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. The daytime
running light function should now work normally.
AC204166
CONNECTOR : A-40
HARNESS
SIDE
A-40(B)
A-40(B)
AH
1
4
2
3
6 5
AC204166
CONNECTOR : A-40
HARNESS
SIDE
A-40(B)
A-40(B)
AH
1
4
2
3
6 5
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
54Bb-381
STEP 8. Check the ignition switch (IG2) line of the power
supply circuit to the daytime running light-ECU. Test at
daytime running light-ECU connector A-40.
(1) Disconnect daytime running light-ECU connector A-40 and
measure the voltage available at the wiring harness side of
the connector.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 2 and ground.
• The voltage should measure approximately 12 volts
(battery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery
positive voltage)?
YES : Go to Step 11.
NO : Go to Step 9.
STEP 9. Check daytime running light-ECU connector A-40
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is daytime running light-ECU connector A-40 in good
condition?
YES : Go to Step 10.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. The daytime running light function should
now work normally.
AC204166
CONNECTOR : A-40
HARNESS
SIDE
A-40(B)
A-40(B)
AH
1
4
2
3
6 5
5
6
3 2
4
1
AC204467
CONNECTOR: A-40
(HARNESS SIDE)
AB
AC204166
CONNECTOR : A-40
HARNESS
SIDE
A-40(B)
A-40(B)
AH
1
4
2
3
6 5
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
54Bb-382
STEP 10. Check the wiring harness between daytime
running light-ECU connector A-40 (terminal 2) and the
ignition switch (IG2).
AC204166
CONNECTOR : A-40
HARNESS
SIDE
A-40(B)
A-40(B)
AH
1
4
2
3
6 5
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