2004 MITSUBISHI ENDEAVOR air condition

Fig. 60: Checking Connector C
-39
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are immobilizer-ECU connector C-39 and PCM connector B-18 in
good condition?
YES: Go to Step 9.
NO: Repair or replace the component(s). Confirm that scan tool
MB991958 communicates normally.
STEP 9. Check the wiring harness between immobilizer-ECU connector
C-39 (terminal 3) and PCM connector B-18 (terminal 13).

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

Fig. 62: Checking Connector C
-39
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are the wiring harness between immobilizer-ECU connector C-39
(terminal 3) and PCM connector B-18 (terminal 13) in good condition?
YES: Go to Step 10.
NO: Repair the wiring harness. 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
re
placin
g the immobilizer-ECU or the PCM?

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

DIAGNOSI
S
Required Special Tool:
MB991223: Harness
STEP 1. Check immobilizer-ECU connector C-310-1 for loose, corroded
or damaged terminals, or terminals pushed back in the connector
Fig. 68: Checking Connector C
-310
-1
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is immobilizer-ECU connector C-310-1 in good condition?
YES: Go to Step 2.
NO: Repair or replace the damaged component(s). Confirm that scan tool
MB991958 communicates normally.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

Fig. 72: Checking Connector C
-102

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are immobilizer-ECU connector C-310-1 and combination meter
connector C-102 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 wiring harness between combination meter connector
C-102 (terminal 19) and immobilizer-ECU connector C-310-1 (terminal 1).
Fig. 73: Checking Wiring Harness Between

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

Fig. 74: Check Wiring Harness Between Combination Meter Connector C-102

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig. 75: Checking Connector C
-301

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between combination meter connector C-102
(terminal 1) and the battery in good condition?
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

Fig. 78: Checking Combination Meter Connector C
-102 For Loose
Corroded Or Damaged Terminals

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is combination meter connector C-102 in good condition?
YES: Go to Step 7.
NO: Repair or replace the damaged component(s). Check to see that all
meters operate.
STEP 7. Check the wiring harness between combination meter connector
C-102 (terminal 1) and the battery.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

Q: Is the wiring harness between combination meter connector C-102
(terminal 1) and the battery in good condition?
YES: Go to Step 8.
NO: Repair the wiring harness. Check to see that all meters operate.
STEP 8. Retest the system.
Q: Is the malfunction eliminated?
YES: The procedure is complete. (If no malfunctions are found in all
steps, an intermittent malfunction is suspected. Refer to HOW TO USE
TROUBLESHOOTING/ INSPECTION SERVICE POINT
).
NO: Go to Step 1.
INSPECTION PROCEDURE 4: The Immobilizer Indicator Light does not Illuminate. < FROM TO JANUARY 2004 >
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

Fig. 82: Checking Connector C
-39
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is immobilizer-ECU connector C-39 in good condition?
YES: Go to Step 2.
NO: Repair or replace the component(s). Confirm that scan tool MB99
1958 communicates normally.
STEP 2. Check the immobilizer indicator light circuit of immobilizer-ECU
connector C-39.
1. Disconnect the immobilizer-ECU connector C-39 and measure at the
harness side.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor