2004 MITSUBISHI ENDEAVOR light

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. 81: Immobilizer Indicator Light Circuit Diagram & Connector Identification

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CIRCUIT OPERATION If the requirements for starting the engine are not satisfied, the immobilizer-ECU
flashes the immobilizer indicator for 30 seconds.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

TECHNICAL DESCRIPTION (COMMENT
)
The immobilizer indicator light or a malfunction of the combination meter or
immobilizer-ECU. TROUBLESHOOTING HINTS
Malfunction of combination meter Malfunction of immobilizer-ECU The wiring harness or connectors may have loose, corroded, or damaged
terminal, or terminals pushed back in the connector.
DIAGNOSIS Required Special Tool:
MB991223: Harness Set
STEP 1. Check immobilizer-ECU connector C-39 for loose, corroded or
damaged terminals, or terminals pushed back in the connector

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

Fig. 84: Checking Connector C
-39
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Does only the immobilizer indicator light illuminate? (other indicator
lights are in good condition)
YES: Replace the immobilizer-ECU. Then register the password (secret
code) and encrypted code ON
-VEHICLE SERVICE
.
NO: Go to Step 3.
STEP 3. Check immobilizer-ECU connector C-39 and combination meter
connector C-102 for loose, corroded or damaged terminals, or terminals
pushed back in the connector.

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

Fig. 88: Checking Wiring Harness Between Combination Meter Connector C
-102

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between combination meter connector C-102
(terminal 19) and immobilizer-ECU connector C-39 (terminal 5) in good
condition?
YES: Go to Step 5.
NO: Repair the wiring harness. Confirm the immobilizer indicator light
illuminate normally.
STEP 5. Measure the voltage at combination meter connector C-102 in
order to check the battery circuit of power supply system to the
combination meter.
1. Turn the ignition switch to the "LOCK" (OFF) position.
2. Disconnect combination meter connector C-102, and measure at the
wirin
g harness side.

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

Fig. 91: Identifying Connector C
-102

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 component(s). Confirm the immobilizer
indicator light illuminate normally.
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

registered). Moreover, when the immobilizer-ECU has been replaced, you will need
to use scan tool MB991958 to register the immobilizer-ECU and input the vehicle
secret code.
If an attempt is made to start the engine with an unregistered ignition key, cranking
occurs, but fuel supply is cut off to disable the engine. In approx. 10 seconds, the
immobilizer indicator will blink for approx. 30 seconds.
Fig. 99: Identifying Immobilizer Indicator Light

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
POINTS TO NOTE DURING OPERATION NOTE: PCM has an encrypted code for immobilizer-ECU, and the
encrypted code is registered in the immobilizer-ECU and
ignition key.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor