2005 MITSUBISHI 380 air condition

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-178
NOTE: Also check junction block connector C-215, intermedi-
ate connectors C-28 and D-19. If junction block connector
C-215, intermediate connector C-28 or D-19 is damaged, repair
or replace the connector as described in GROUP 00E, Harness
Connector Inspection P.00E-2.
Q: Is the wiring harness between power window relay
connector C-203 (terminal 4) and rear power window
sub switch (LH) connector E-17 (terminal 6) 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. When the
rear power window sub switch (LH) is operated, the
rear power window (LH) should raise and lower
normally.
STEP 20. Check the ground circuit to the rear power
window sub switch (LH). Measure the resistance at rear
power window sub switch (LH) connector E-17.
(1) Disconnect rear power window sub switch (LH) connector
E-17 and measure the resistance available at the wiring
harness side of the connector.
(2) Measure the resistance value between terminal 5 and
ground, and also between terminal 8 and ground.
The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 22.
NO : Go to Step 21.

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-180
NOTE: Also check intermediate connectors C-12, C-28 and
D-19. If intermediate connector C-12, C-28 or D-19 is dam-
aged, repair or replace the damaged component(s) as
described in GROUP 00E, Harness Connector Inspection
P.00E-2.
Q: Is the wiring harness between power window main
switch connector E-04 (terminals 1 and 3) and rear
power window sub switch (LH) connector E-17
(terminals 8 and 5) in good condition?
YES : Replace the power window main switch. When the
rear power window sub switch (LH) is operated, the
rear power window (LH) should raise and lower
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. When the
rear power window sub switch (LH) is operated, the
rear power window (LH) should raise and lower
normally.
STEP 22. Check the wiring harness between rear power
window sub switch (LH) connector E-17 (terminals 4 and 7)
and rear power window regulator motor (LH) connector
E-16 (terminals 1 and 2).
Q: Is the wiring harness between rear power window sub
switch (LH) connector E-17 (terminals 4 and 7) and rear
power window regulator motor (LH) connector E-16
(terminals 1 and 2) in good condition?
YES : Replace the power window main switch. When the
rear power window sub switch (LH) is operated, the
rear power window (LH) should raise and lower
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. When the
rear power window sub switch (LH) is operated, the
rear power window (LH) should raise and lower
normally.

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-181
STEP 23. Check rear power window sub switch (RH)
connector E-06 and rear power window regulator motor
(RH) connector E-07 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Q: Are rear power window sub switch (RH) connector E-06
and rear power window regulator motor (RH) connector
E-07 in good condition?
YES : Go to Step 24.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
P.00E-2. When the rear power window sub switch
(RH) is operated, the rear power window (RH) should
raise and lower normally.
STEP 24. Check the rear power window sub switch (RH) for
continuity.
(1) Remove the rear power window sub switch (RH). Refer to
GROUP 42, Door, Door Glass and Regulator P.42-39.
(2) Check continuity when the rear power window sub switch
(RH) is operated to "UP" or "DOWN" position.
Q: Is the rear power window sub switch (RH) normal?
YES : Go to Step 25.
NO : Replace the rear power window sub switch (RH).
When the rear power window sub switch (RH) is
operated, the rear power window (RH) should raise
and lower normally.
SWITCH
POSITIONTESTER
CONNECTIONSPECIFIED
CONDITION
UP 4
5, 6 7 Less than 2 ohms
OFF 4
5, 7 8
DOWN 4
6, 7 8

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-183
STEP 27. Check power window relay connector C-203 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is power window relay connector C-203 in good
condition?
YES : Go to Step 28.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
P.00E-2. When the rear power window sub switch
(RH) is operated, the rear power window (RH) should
raise and lower normally.
STEP 28. Check the wiring harness between power
window relay connector C-203 (terminal 4) and rear power
window sub switch (RH) connector E-06 (terminal 6).

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-184
NOTE: Also check junction block connector C-215, intermedi-
ate connectors C-28 and D-36. If junction block connector
C-215, intermediate connector C-28 or D-36 is damaged, repair
or replace the connector as described in GROUP 00E, Harness
Connector Inspection P.00E-2.
Q: Is the wiring harness between power window relay
connector C-203 (terminal 4) and rear power window
sub switch (RH) connector E-06 (terminal 6) 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. When the
rear power window sub switch (RH) is operated, the
rear power window (RH) should raise and lower
normally.
STEP 29. Check the ground circuit to the rear power
window sub switch (RH). Measure the resistance at rear
power window sub switch (RH) connector E-06.
(1) Disconnect rear power window sub switch (RH) connector
E-06 and measure the resistance available at the wiring
harness side of the connector.
(2) Measure the resistance value between terminal 5 and
ground, and also between terminal 8 and ground.
The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 31.
NO : Go to Step 30.

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-186
NOTE: Also check intermediate connectors C-12, C-28 and
D-36. If intermediate connector C-12, C-28 or D-36 is dam-
aged, repair or replace the damaged component(s) as
described in GROUP 00E, Harness Connector Inspection
P.00E-2.
Q: Is the wiring harness between power window main
switch connector E-04 (terminals 6 and 4) and rear
power window sub switch (RH) connector E-06
(terminals 5 and 8) in good condition?
YES : Replace the power window main switch. When the
rear power window sub switch (RH) is operated, the
rear power window (RH) should raise and lower
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. When the
rear power window sub switch (RH) is operated, the
rear power window (RH) should raise and lower
normally.
STEP 31. Check the wiring harness between rear power
window sub switch (RH) connector E-06 (terminals 4 and
7) and rear power window regulator motor (RH) connector
E-07 (terminals 1 and 2).
Q: Is the wiring harness between rear power window sub
switch (RH) connector E-06 (terminals 4 and 7) and rear
power window regulator motor (RH) connector E-07
(terminals 1 and 2) 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. When the
rear power window sub switch (RH) is operated, the
rear power window (RH) should raise and lower
normally.

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-195
STEP 6. Verify which horn is defective.
Q: Which horn does not sound?
Horn (HIGH) : Go to Step 7.
Horn (LOW) : Go to Step 11.
Both horns : Go to Step 15.
STEP 7. Check horn connector A-37 (HIGH) for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is horn (HIGH) connector A-37 in good condition?
YES : Go to Step 8.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
P.00E-2. Verify that the horn sounds normally.
STEP 8. Check the horn (HIGH).
Connect the battery as shown, and verify that the horn sounds.
Q: Is the horn normal?
YES : Go to Step 9.
NO : Replace the horn (HIGH). Verify that the horn sounds
normally.
STEP 9. Check horn relay connector A-06X for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is horn relay connector A-06X in good condition?
YES : Go to Step 10.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
P.00E-2. Verify that the horn sounds normally.

SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)54B-196
STEP 10. Check the wiring harness between horn relay
connector A-06X (terminal 4) and horn (HIGH) connector
A-37 (terminal 1).
Q: Is the wiring harness between horn relay connector
A-06X (terminal 4) and horn (HIGH) connector A-37
(terminal 1) in good condition?
YES : Replace the ETACS-ECU. Verify that the horn sounds
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. Verify that
the horn sounds normally.
STEP 11. Check horn connector A-36 (LOW) for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is horn (LOW) connector A-36 in good condition?
YES : Go to Step 12.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
P.00E-2. Verify that the horn sounds normally.
STEP 12. Check the horn (LOW).
Connect the battery as shown, and verify that the horn sounds.
Q: Is the horn normal?
YES : Go to Step 13.
NO : Replace the horn (LOW). Verify that the horn sounds
normally.