Page 2557 of 3870
Fig. 27: Identifying Connector C
-310
-1
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are immobilizer-ECU connector C-310-1 and MFI relay connector B-
15X in good condition?
YES: Go to Step 4.
NO: Repair or replace the damaged component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 4. Check the harness wires between immobilizer-ECU connector C-
310-1 (terminal 5) and MFI relay connector B-15X (terminal 4).
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2562 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
Fig. 32: Identifying Connector C
-310
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are the harness wires between immobilizer-ECU connector C-310-1
(terminal 5) and MFI relay connector B-15X (terminal 4) in good
condition?
YES: There is no action to be taken.
NO: Replace damaged component(s). Confirm that scan tool MB991958
communicates normally.
STEP 5. Measure the resistance at immobilizer-ECU connector C-310.
1. Do not disconnect immobilize
r-ECU connector C-31
0-1.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2564 of 3870
Fig. 34: Measuring Resistance Between Terminal 4 And Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the resistance less than 2 ohms?
YES: Go to Step 8.
NO: Go to Step 6.
STEP 6. Check immobilizer-ECU connector C-310-1 for loose, corroded
or damaged terminals, or terminals pushed back in the connector.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2565 of 3870
Fig. 35: Checking Immobilizer
-ECU Connector
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is immobilizer-ECU connector C-310-1 in good condition?
YES: Go to Step 7.
NO: Repair or replace the damaged component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 7. Check the harness wire between immobilizer-ECU connector C-
310-1 (terminal 4) and ground.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2566 of 3870
Fig. 36: Checking Harness Wire Between Immobilizer
-ECU Connector C
-
310
-1 And Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE: Also check key reminder switch connector C-310 for
loose, corroded, or damaged terminals, or terminals
pushed back in the connector. If key reminder switch
connector C-310 is damaged, Repair or replace it.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2567 of 3870
Fig. 37: Checking Connector C
-310
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the harness wire between immobilizer-ECU connector C-310-1
(terminal 4) and ground in good condition?
YES: There is no action to be taken.
NO: Repair or replace the damaged component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 8. Check immobilizer-ECU connector C-310-1 and PCM connector
B-18 for loose, corroded or damaged terminals, or terminal pushed back
in the connector.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2569 of 3870
Fig. 39: Identifying Connector C
-310
-1
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are immobilizer-ECU connector C-310-1 and PCM connector B-18 in
good condition?
YES: Go to Step 9.
NO: Repair or replace the damaged component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 9. Check the harness wires between immobilizer-ECU connector C-
310-1 (terminal 3) and PCM connector B-18 (terminal 13)
.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2571 of 3870
Fig. 41: Checking Connector C
-310
-1
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are the harness wires between immobilizer-ECU connector C-310-1
(terminal 3) and PCM connector B-18 (terminal 13) in good condition?
YES: Go to Step 10.
NO: Repair or replace the damaged component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 10. Replace the immobilizer-ECU or PCM.
Replace the immobilizer-ECU or PCM.
Q: Did the communication with the scan tool become possible after
replacing the immobilizer-ECU or the PCM?
YES: Re
gister the
password
(secret code
) and encr
ypted code ON
-
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
