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 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
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 2586 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
Fig. 53: Checking Connector C
-310
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are the wiring harness between immobilizer-ECU connector C-39
(terminal 1) and MFI relay connector B-15X (terminal 4) in good
condition?
YES: There is no action to be taken.
NO: Repair the wiring harness. Confirm that scan tool MB991958
communicates normally.
STEP 5. Measure the resistance at immobilizer-ECU connector C-39.
1. Do not disconnect immobilize
r-ECU connector C-39.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2589 of 3870
Fig. 56: Checking Immobilizer
-ECU Connector C
-39 For Loose Corroded
Or Damaged Terminals
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is immobilizer-ECU connector C-39 in good condition?
YES: Go to Step 7.
NO: Repair or replace the component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 7. Check the wiring harness between immobilizer-ECU connector
C-39 (terminal 2) and ground.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor
Page 2591 of 3870
Fig. 58: Checking Joint Connector (2) C
-104
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between immobilizer-ECU connector C-39
(terminal 2) and ground in good condition?
YES: There is no action to be taken.
NO: Repair the wiring harness. Confirm that scan tool MB991958
communicates normally.
STEP 8. Check immobilizer-ECU connector C-39 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