Page 2577 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch "ON" to position.
3. Read the MFI system diagnosis code.
Q: Is an MFI system DTC P0513 output?
YES: Refer to DIAGNOSTIC TROUBLE CODE CHART
.
NO: Go to Step 2.
STEP 2. Check the immobilizer-ECU power supply circuit by
backprobing.
1. Do not disconnect immobilize
r-ECU connector C-39.
NOTE: If the scan tool MB991958 cannot communicate with
the MFI system, refer to SYMPTOM PROCEDURES
.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2578 of 3870
Fig. 45: Identifying Connector C
-39
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. Turn the ignition switch to the "ON" position.
3. Measure the voltage between terminal 1 and ground by backprobing.
The voltage should measure approximately 12 volts (battery positive
volta
ge).
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2579 of 3870
Fig. 46: Measuring Voltage Between Terminal 1 And Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the measured voltage approximately 12 volts (battery positive
voltage)?
YES: Go to Step 5.
NO: Go to Step 3.
STEP 3. Check immobilizer-ECU connector C-39 and MFI relay
connector B-15X for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2580 of 3870
Fig. 47: Check Immobilizer
-ECU MFI Relay Connector B
-15X For Loose
Corroded Or Damaged Terminals
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2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2581 of 3870
Fig. 48: Check Immobilizer
-ECU Connector C
-39 For Loose Corroded Or
Damaged Terminals
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are immobilizer-ECU connector C-39 and MFI relay connector B-15X
in good condition?
YES: Go to Step 4.
NO: Repair or replace the component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 4. Check the wiring harness between immobilizer-ECU connector
C-39 (terminal 1) and MFI relay connector B-15X (terminal 4).
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2582 of 3870
Fig. 49: Checking Wire Harness B
-15X
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2583 of 3870
Fig. 50: Checking Wire Harness C
-39
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE: Also check intermediate connector A-13 and C-31,
check the wires. If intermediate connector A-13 or C-31
are damaged, repair or replace them.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2584 of 3870
Fig. 51: Checking Wiring Harness Between Immobilizer
-ECU Connector
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor