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Home >> Mitsubishi >> 2003 >> Lancer L4-2.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Symptom Diagnostic Procedures >> J - Charts >> Inspection Procedure J-6 >> Part 4 of 4

Part 4 of 4

STEP 42. Check the ground circuit to the license plate light (RH). Test at license plate light (RH) connector F-10.




1. Disconnect license plate light (RH) connector F-10 and measure the resistance available at the wiring harness side of the connector.




2. Measure the resistance value between terminal 1 and ground.
- The resistance should equal 2 ohms or less.

Q: Is the measured resistance 2 ohms or less?

YES: Go to Step 45.

NO: Go to Step 43.




STEP 43. Check license plate light (RH) connector F-10 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is license plate light (RH) connector F-10 in good condition?

YES: Go to Step 44.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. Verify that the license plate lights (RH) illuminate normally.




STEP 44. Check the wiring harness between license plate light (RH) connector F-10 (terminal 1) and ground.

NOTE: Also check intermediate connector F-12 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector F-12 is damaged, repair or replace the damaged component(s) as described in Harness Connector Inspection.

Q: Is the wiring harness between license plate light (RH) connector F-10 (terminal 1) and ground in good condition?

YES: Replace the license plate light socket. Verify that the license plate light (RH) illuminates 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 taillight (RH) illuminates normally.







STEP 45. Check license plate light (RH) connector F-10 and front-ECU connector A-10X for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Are license plate light (RH) connector F-10 and front-ECU connector A-10X in good condition?

YES: Go to Step 46.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. Verify that the license plate lights (RH) illuminate normally.













STEP 46. Check the wiring harness between license plate light (RH) connector F-10 (terminal 2) and front-ECU connector A-10X (terminal 8).

NOTE: Also check intermediate connectors C-129, F-12, junction block connectors C-210 and C-217 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-129, F-12, junction block connector C-210 or C-217 is damaged, repair or replace the damaged component(s) as described in Harness Connector Inspection.

Q: Is the wiring harness between license plate light (RH) connector F-10 (terminal 2) and front-ECU connector A-10X (terminal 8) in good condition?

YES: Replace the license plate light socket. Verify that the license plate light (RH) illuminates 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 taillight (RH) illuminates normally.







STEP 47. Check position light (LH) connector A-14 and front-ECU connector A-10X for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Are position light (LH) connector A-14 and front-ECU connector A-10X in good condition?

YES: Go to Step 48.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. Verify that the position light (LH), taillight (LH), license plate light illuminates normally.







STEP 48. Check the wiring harness between position light (LH) connector A-14 (terminal 2) and front-ECU connector A-10X (terminal 8).

Q: Is the wiring harness between position light (LH) connector A-14 (terminal 2) and front-ECU connector A-10X (terminal 8) 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 position light (LH), taillight (LH), license plate light illuminates normally.
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