Mitsubishi 380. Manual — part 75
SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-297
STEP 16. Check headlamp (LH) connector A-20 and
front-ECU connector A-11X for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are headlamp (LH) connector A-20 and front-ECU
connector A-11X in good condition?
YES : Go to Step 17.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Verify that the headlamps illuminate
normally.
STEP 17. Check headlamp (LH) bulb.
(1) Remove the headlamp (LH) bulb.
(2) Verify that the headlamp (LH) bulb is not damaged or
burned out.
Q: Is headlamp (LH) bulb normal?
YES : Go to Step 18.
NO : Replace the headlamp (LH) bulb. Verify that the
headlamps illuminate normally.
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
16DB434A
A-20
CONNECTOR: A-20
SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-298
STEP 18. Check the wiring harness between headlamp
(LH) connector A-20 (terminals 3 and 4) and front-ECU
connector A-11X (terminal 10).
Q: Is the wiring harness between headlamp (LH) connector
A-20 (terminals 3 and 4) and front-ECU connector A-11X
(terminal 10) in good condition?
YES : Go to step 19.
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 headlamps illuminate normally.
STEP 19. Check the ground circuit to the front Headlamp
(LH). Measure the resistance at front combination lamp
(LH) connector A-20.
(1) Disconnect front combination lamp (LH) connector A-20
and measure the resistance available at the wiring harness
side of the connector.
(2) Measure the resistance value between terminals (5 and 1)
and ground.
• The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : .No action is necessary and testing is complete.
NO : Go to Step 20.
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
16DB434A
A-20
CONNECTOR: A-20
16DB434A
A-20
CONNECTOR: A-20
16DB440A
CONNECTOR A-20
(HARNESS SIDE)
SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-299
STEP 20. Check the wiring harness between headlamp
(LH) connector A-20 (terminals 5 and 1) and ground.
Q: Is the wiring harness between headlamp (LH) connector
A-20 (terminals 5 and 1) 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. Verify that
the headlamps illuminate normally.
STEP 21. Check headlamp (RH) connector A-32 and
front-ECU connector A-11X for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are headlamp (RH) connector A-32 and front-ECU
connector A-11X in good condition?
YES : Go to Step 22.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Verify that the headlamps illuminate
normally.
STEP 22. Check the headlamp (RH) bulb.
(1) Remove the headlamp (RH) bulb.
(2) Verify that the headlamp (RH) bulb is not damaged or
burned out.
Q: Is headlamp (RH) bulb normal?
YES : Go to Step 23.
NO : Replace the headlamp (RH) bulb. Verify that the
headlamps illuminate normally.
16DB434A
A-20
CONNECTOR: A-20
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
16DB433A
A-32
CONNECTORS: A-32
SYMPTOM PROCEDURES
SIMPLIFIED WIRING SYSTEM (SWS)
54B-300
STEP 23 . Check the wiring harness between headlamp
(RH) connector A-32 (terminals 3 and 4) and front-ECU
connector A-11X (terminal 10).
Q: Is the wiring harness between headlamp (RH) connector
A-32 (terminals 3 and 4) and front-ECU connector A-11X
(terminal 10) in good condition?
YES : Go to step 24.
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 headlamps illuminate normally.
STEP 24. Check the ground circuit to the front Headlamp
(RH). Measure the resistance at front combination lamp
(RH) connector A-32.
(1) Disconnect front combination lamp (RH) connector A-32
and measure the resistance available at the wiring harness
side of the connector.
(2) Measure the resistance value between terminals (5 and 1)
and ground.
• The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : .No action is necessary and testing is complete.
NO : Go to Step 25.
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
16DB433A
A-32
CONNECTORS: A-32
16DB433A
A-32
CONNECTORS: A-32
16DB441A
CONNECTOR A-32
(HARNESS SIDE)
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