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HOMESERVICE MANUALSMITSUBISHI2007OUTLANDER LS, FWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKING SYSTEM (ABS)ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSISDIAGNOSTIC TROUBLE CODE PROCEDURESDTC SET CONDITIONSDIAGNOSIS

2007 Mitsubishi Outlander LS, FWD

DTC Set Conditions: Diagnosis

2007 Mitsubishi Outlander LS, FWDSECTION Diagnosis

Required Special Tools:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
MB991974: ABS check harness

STEP 1. M.U.T.-III CAN bus diagnostics
Use scan tool to diagnose the CAN bus lines.

Q: Is the check result normal?

YES: Go to STEP 3.

NO: Repair the CAN bus lines. (Refer to CAN BUS DIAGNOSTICS TABLE .) On completion, go to Step 2.
STEP 2. Diagnostic Trouble code recheck after resetting CAN bus lines
Q: Is DTC C2104 set?

YES: Go to Step 3.

NO: The procedure is complete.
STEP 3. Fusible link check: Check the fusible link No. 27.
Visually check for open circuit in the fusible link No. 27.

Q: Is the check result normal?

YES: Go to Step 4.

NO: Replace the fusible link No. 27.
STEP 4. Battery check
Refer to BATTERY TEST .

Q: Is the battery in good condition?

YES: Go to Step 5.

NO: Charge or replace the battery.
STEP 5. Charging system check
Refer to OUTPUT CURRENT TEST .

Q: Is the charging system in good condition?

YES: Go to Step 6.

NO: Repair or replace the charging system component(s).
STEP 6. Voltage measurement at the A-01 ABS-ECU connector
1. Disconnect the connector, connect special tool MB991974 to the harness-side connector, and measure the voltage at the special tool connector side.
  NOTE: Do not connect the special tool MB991974 to ABS-ECU.
2. Turn the ignition switch to the ON position.
3. Measure the voltage between the terminal No. 26 and the body ground.
  OK: 12 volts (Battery voltage)
Q: Is the check result normal?

YES: Go to STEP 8.

NO: Go to Step 7.

Fig 1: Measuring Voltage Between Terminal No. 26 And Body Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 7. Connector check: A-01 ABS-ECU connector
Q: Is the check result normal?

YES: The open or short circuit may be present in the power supply circuit. Repair the wiring harness between the A-01 ABS-ECU connector terminal No. 26 and the fusible link No. 27.

NO: Repair the defective connector.
STEP 8. Resistance measurement at A-01 ABS-ECU connector
1. Disconnect the connector, connect special tool MB991974 to the harness-side connector, and measure the voltage at the special tool connector side.
  NOTE: Do not connect the special tool MB991974 to ABS-ECU.
2. Resistance between the terminal No. 1 and the body ground
  OK: Continuity exists (2 ohms or less)
Q: Is the check result normal?

YES: Go to STEP 10.

NO: Go to Step 9.

Fig 2: Checking Resistance Between Terminal No 1 And Body Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 9. Connector check: A-01 ABS-ECU connector
Q: Is the check result normal?

YES: An open circuit may be present in the ground circuit. Repair the wiring harness between the A-01 ABS-ECU connector terminal No. 14 and the body ground.

NO: Repair the defective connector.
STEP 10. Check whether the diagnostic Trouble code is reset.
Q: Is DTC C2104 set?

YES: Replace the ABS-ECU.

NO: Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .)

Required Special Tools:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
MB991974: ABS check harness

STEP 1. M.U.T.-III CAN bus diagnostics
Use scan tool to diagnose the CAN bus lines.

Q: Is the check result normal?

YES: Go to STEP 3.

NO: Repair the CAN bus lines. (Refer to CAN BUS DIAGNOSTICS TABLE .) On completion, go to Step 2.
STEP 2. Check whether the diagnostic trouble code is reset.
Q: Is DTC C1073 set?

YES: Go to Step 3.

NO: The procedure is complete.
STEP 3. Fusible link check: Check the fusible link No. 26.
Q: Is the check result normal?

YES: Go to Step 4.

NO: Replace the fusible link No. 26.
STEP 4. Battery check
Refer to BATTERY TEST .

Q: Is the battery in good condition?

YES: Go to Step 5.

NO: Charge or replace the battery.
STEP 5. Charging system check
Refer to OUTPUT CURRENT TEST .

Q: Is the charging system in good condition?

YES: Go to Step 6.

NO: Repair or replace the charging system component(s).
STEP 6. Voltage measurement at the A-01 ABS-ECU connector
1. Disconnect the connector, connect special tool MB991974 to the harness-side connector, and measure the voltage at the special tool connector side.
  NOTE: Do not connect the special tool MB991974 to ABS-ECU.
2. Turn the ignition switch to the ON position.
3. Measure the voltage between the terminal No. 13 and the body ground.
  OK: 12 volts (Battery voltage)
Q: Is the check result normal?

YES: Go to STEP 8.

NO: Go to Step 7.

Fig 1: Measuring Voltage Between Terminal No. 13 And Body Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 7. Connector check: A-01 ABS-ECU connector
Q: Is the check result normal?

YES: The open or short circuit may be present in the solenoid valve power supply circuit. Repair the wiring harness between the A-01 ABS-ECU connector terminal No. 13 and the fusible link No. 26.

NO: Repair the defective connector.
STEP 8. Resistance measurement at A-01 ABS-ECU connector
1. Disconnect the connector, connect special tool MB991974 to the harness-side connector, and measure the voltage at the special tool connector side.
  NOTE: Do not connect the special tool MB991974 to ABS-ECU.
2. Resistance between terminal No. 14 and body ground
  OK: Continuity exists (2 ohms or less)
Q: Is the check result normal?

YES: Go to STEP 10.

NO: Go to Step 9.

Fig 2: Measuring Resistance Between Terminal No. 14 And Body Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 9. Connector check: A-01 ABS-ECU connector
Q: Is the check result normal?

YES: An open circuit may be present in the ground circuit. Repair the wiring harness between the A-01 ABS-ECU terminal No. 14 and the body ground.

NO: Repair the defective connector.
STEP 10. Check whether the diagnostic trouble code is reset.
1. Erase the diagnostic trouble code.
2. Drive the vehicle at 12mph (20 km/h) or more.
  NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12mph (20 km/h) or higher.
Q: Is DTC C1073 set?

YES: Replace the ABS-ECU.

NO: Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .)

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.