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Home >> Mitsubishi >> 2005 >> Outlander L4-2.4L 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-10

Inspection Procedure J-10

Daytime running light function dose network normally.

Daytime Running Light Circuit Part 1:




Daytime Running Light Circuit Part 2:






NOTE: This troubleshooting procedure requires the use of scan tool MB991958 and SWS monitor kit MB991813. For details on how to use the SWS monitor, refer to "How to use SWS monitor." How To Use SWS Monitor

TECHNICAL DESCRIPTION (COMMENT)
If the daytime running light function is not operating normally the front-ECU power circuit may be defective or the front-ECU may be defective.

TROUBLESHOOTING HINTS
- The front-ECU may be defective
- The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector

DIAGNOSIS

Required Special Tools:
- MB991223: Harness Set
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: MUT-III USB Cable
- MB991910: MUT-III Main Harness A
- MB991813: SWS monitor kit
- MB991806: SWS Monitor Cartridge
- MB991812: SWS Monitor Harness (For Column-ECU)
- MB991822: Probe Harness
- MB991854: SWS Monitor Harness (For 13-pin)

STEP 1. Verify the headlight (high-beam) operation.

Check to see that the headlight (high-beam) lights up properly when operating the dimmer switch while the headlight switch is ON.

Q: Do the headlights (high-beam) illuminate normally?

YES: Go to Step 2.

NO: Refer to Inspection Procedure J-7 "One of the headlights does not illuminate."

STEP 2. Use scan tool MB991958 to select "ECU COMM CHK" on the SWS monitor display.

Check the following ECU:

Front-ECU

CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958. Connect the DLC harness before connecting the column-ECU harness. Be sure to connect SWS monitor kit MB991813 after turning on scan tool MB991958.




1. Connect scan tool MB991958 to the data link connector (16-pin).
2. Connect SWS monitor harness MB991854 to the column switch connector (13-pin).
3. Turn the ignition switch to the "ON" position.
4. Operate scan tool MB991958 according to the procedure below to display "ECU COMM CHK."
a. Select "SYSTEM SELECT."
b. Select "SWS."
c. Select "SWS MONITOR."
d. Select "ECU COMM CHK."

5. Scan tool MB991958 should show "OK" on the "ECU COMM CHK" menu for the "FRONT ECU" menu.

Q: Is "OK" displayed on the "FRONT ECU" menu?

YES: Replace the front-ECU. Verify that the daytime running light function should now work normally.

NO: Refer to Inspection procedure A-4 "Communication with the front-ECU is not possible."
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