Mitsubishi Galant (2004+). Manual - part 307

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-419

STEP 2. Check fog light (LH) connector A-22 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.

Q: Is fog light (LH) connector A-22 in good condition?

YES : Go to Step 3.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Check that the fog lights illuminate normally.

STEP 3. Check the fog light bulb (LH).
(1) Remove the fog light bulb (LH).
(2) Verify that the fog light bulb (LH) is not damaged or burned 

out.

Q: Is the fog light bulb (LH) in good condition?

YES : Go to Step 4.
NO :  Replace the fog light bulb (LH). Verify that the fog 

lights illuminate normally.

STEP 4. Check the ground circuit to the fog light (LH). 
Measure the resistance at fog light (LH) connector A-22.

(1) Disconnect fog light (LH) connector A-22 and measure the 

resistance available at the wiring harness side of the 

connector.

(2) Measure the resistance value between terminal 2 and 

ground.

• The resistance should be 2 ohms or less.

Q: Is the measured resistance 2 ohms or less?

YES : Go to Step 6.
NO :  Go to Step 5.

AC305210

A-22 (B)

HARNESS SIDE

CONNECTOR: A-22

AC

AC305210

A-22 (B)

HARNESS SIDE

CONNECTOR: A-22

AC

AC209364FZ

CONNECTOR A-22
(HARNESS SIDE)

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-420

STEP 5. Check the wiring harness between fog light (LH) 
connector A-22 (terminal 2) and ground.

Q: Is the wiring harness between fog light (LH) connector 

A-22 (terminal 2) 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 fog lights illuminate normally.

STEP 6. Check fog light relay connector A-05X for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.

Q: Is fog light relay connector A-05X in good condition?

YES : Go to Step 7.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Check that the fog lights illuminate normally.

STEP 7. Check the wiring harness between fog light relay 
connector A-05X (terminal 4) and fog light (LH) connector 
A-22 (terminal 1).

Q: Is the wiring harness between fog light relay connector 

A-05X (terminal 4) and fog light (LH) connector A-22 
(terminal 1) 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 fog lights illuminate normally.

AC305210

A-22 (B)

HARNESS SIDE

CONNECTOR: A-22

AC

AC305979 AB

CONNECTOR: A-05X

RELAY BOX SIDE

FRONT OF VEHICLE

AC305979 AB

CONNECTOR: A-05X

RELAY BOX SIDE

FRONT OF VEHICLE

AC305210

A-22 (B)

HARNESS SIDE

CONNECTOR: A-22

AC

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-421

STEP 8. Check fog light (RH) connector A-28 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.

Q: Is fog light (RH) connector A-28 in good condition?

YES : Go to Step 9.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Check that the fog lights illuminate normally.

STEP 9. Check the fog light bulb (RH).
(1) Remove the fog light bulb (RH).
(2) Verify that the fog light bulb (RH) is not damaged or burned 

out.

Q: Is the fog light bulb (RH) in good condition?

YES : Go to Step 10.
NO :  Replace the fog light bulb (RH). Verify that the fog 

lights illuminate normally.

STEP 10. Check the ground circuit to the fog light (RH). 
Measure the resistance at fog light (RH) connector A-28.

(1) Disconnect fog light (RH) connector A-28 and measure the 

resistance available at the wiring harness side of the 

connector.

(2) Measure the resistance value between terminal 2 and 

ground.

• The resistance should be 2 ohms or less.

Q: Is the measured resistance 2 ohms or less?

YES : Go to Step 12.
NO :  Go to Step 11.

AC305206

A-28 (B)

HARNESS SIDE

CONNECTOR: A-28

AC

AC305206

A-28 (B)

HARNESS SIDE

CONNECTOR: A-28

AC

AC209364GA

CONNECTOR A-28
(HARNESS SIDE)

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-422

STEP 11. Check the wiring harness between fog light (RH) 
connector A-28 (terminal 2) and ground.

Q: Is the wiring harness between fog light (RH) connector 

A-28 (terminal 2) 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 fog lights illuminate normally.

STEP 12. Check fog light relay connector A-05X for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.

Q: Is fog light relay connector A-05X in good condition?

YES : Go to Step 13.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Check that the fog lights illuminate normally.

STEP 13. Check the wiring harness between fog light relay 
connector A-05X (terminal 4) and fog light (RH) connector 
A-28 (terminal 1).

Q: Is the wiring harness between fog light relay connector 

A-05X (terminal 4) and fog light (RH) connector A-28 
(terminal 1) 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 fog lights illuminate normally.

AC305206

A-28 (B)

HARNESS SIDE

CONNECTOR: A-28

AC

AC305979 AB

CONNECTOR: A-05X

RELAY BOX SIDE

FRONT OF VEHICLE

AC305979 AB

CONNECTOR: A-05X

RELAY BOX SIDE

FRONT OF VEHICLE

AC305206

A-28 (B)

HARNESS SIDE

CONNECTOR: A-28

AC