MITSUBISHI ENDEAVOR 2004 Service Repair Manual

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

Fig. 59: Checking Immobilizer
-ECU Connector B
-18 For Loose Corroded
Or Damaged Terminals

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

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. 61: Checking Connector B
-18
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

YES: Register the password (secret code) and encrypted code ON
-
VEHICLE SERVICE
.
NO: Replace the PCM. Then register the password (secret code) and
encrypted code (Refer to ON
-VEHICLE SERVICE
).
INSPECTION PROCEDURE 2: THE IGNITION KEY CANNOT BE REGISTERED TECHNICAL DESCRIPTION (COMMENT) The ignition key transponder or the immobilizer-ECU is suspected to be defective. TROUBLESHOOTING HINTS
Malfunction of the ignition key Malfunction of immobilizer-ECU
DIAGNOSIS Required Special Tools:
MB991958: Scan Tool (MUT-III Sub Assembly)
MB991824: Vehicle Communication Interface (V.C.I.) MB991827: MUT-III USB Cable MB991910: MUT-III Main Harness A (Vehicles with CAN
communication system)
STEP 1. Using scan tool MB991958, read the diagnostic trouble code.
Use scan tool MB991958 to check if DTC 11 is set.
1. Connect scan tool MB991958 to the data link connec
tor.
CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to "LOCK" (OFF)
position before connecting or disconnecting
scan tool MB991958.

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

Fig. 63: Connecting Scan Tool MB991958 To Data Link Connector

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

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch "ON" position.
3. Read the immobilizer system diagnostic trouble code.
Q: Does DTC11 reset?
YES: Refer to DIAGNOSTIC TROUBLE CODE CHART
.
NO: Replace the ignition key that cannot be registered. Then go to Step 2.
STEP 2. Retest the system.
Register the ignition key.
Q: Does registered ignition key function properly?
YES: The procedure is complete.
NO: Replace the immobilizer-ECU.
INSPECTION PROCEDURE 3: ENGINE CRANKS, BUT DOES NOT START TECHNICAL DESCRIPTION If the engine cranks, but does not start, an MFI system problem may exist in
addition to a malfunctioning immobilizer system. The engine will not start if the
ignition key has not been properly registered. TROUBLESHOOTING HINTS
Malfunction of MFI system Malfunction of immobilizer-ECU
DIAGNOSIS Required Special Tools:
MB991223: Harness Set MB991958: Scan Tool (MUT-III Sub Assembly)
MB991824: Vehicle Communication Interface
(V.C.I.
)

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

MB991827: MUT-III USB Cable MB991910: MUT-III Main Harness A (Vehicles with CAN
communication system)
STEP 1. Check the battery voltage.
Measure the battery voltage during cranking.
Q: Is the voltage 8 volts or more?
YES: Go to Step 2.
NO: Check the condition of the battery. Refer to BATTERY
.
STEP 2. Using scan tool MB991958, read the diagnostic trouble code.
1. Connect scan tool MB991958 to the data link connec
tor.
CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to "LOCK" (OFF)
position before connecting or disconnecting
scan tool MB991958.

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

Fig. 64: Connecting Scan Tool MB991958 To Data Link Connector

Cou
rtesy
of MIT
SU
BI
SHI M
OTOR SALE
S OF AMERI
CA.

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