MITSUBISHI ENDEAVOR 2004 Service Repair Manual

Fig. 8: 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 to "ON" position.
3. Select "CAN bus diagnosis" from the start-up screen.
4. When the vehicle information is displayed, confirm that it matches the vehicle
whose CAN bus lines will be diagnosed.
If they matches, go to step 8. If not, go to step 5.
5. Select "view vehicle information" button.
6. Enter the vehicle information and select the "OK" button.
7. When the vehicle information is displayed, confirm again that it matches the
vehicle whose CAN bus lines will be diagnosed. If they matches, go to step 8. If not, go to step 5.
8. Select the "OK" button.
9. When the optional equipment is displayed, choose the one which the vehicle is
fitted with, and then select the "OK" button.
DIAGNOSTIC TROUBLE CODE CHART Use the following chart to develop proper diagnostic strategy.
CAUTION: During diagnosis, a DTC code associated with other
system may be set when the ignition switch is turned
on with connector(s) disconnected. On completion,
confirm all systems for DTC code(s). If DTC code(s)
are set, erase them all.

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

Fig. 9: Diagnostic Trouble Code Chart

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
DIAGNOSTIC TROUBLE CODE PROCEDURES DTC 11: Transponder Communication System or Radio Interference of Encrypted Code. < UP TO DECEMBER 2003 >
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

Fig. 10: Ignition Key Ring And Immobilizer
-ECU Circuit Diagram &
Connector Identification

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CIRCUIT OPERATION The ignition key is powered by the ignition key ring antenna. The ignition key then
sends an encrypted code. The ignition key ring antenna receives the encrypted code,
and determines if the ignition key is registered.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

DTC SET CONDITION
DTC 11 may be set if other ignition keys are in the vicinity of the vehicle as it
is being started. The transponder's encrypted code is not sent to the immobilizer-ECU
immediately after the ignition switch is turned to "ON" position.
TROUBLESHOOTING HINTS
Radio interference of the encrypted code Malfunction of the transponder Malfunction of the 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
STEP 1. Check for presence of other key near the key in the ignition.
Q: Is there any other key near the key in the ignition?
YES: Move the other key well away from key being used. Retest the
system.
NO: Go to Step 2.
STEP 2. Check that the engine start using the spare ignition key which
encrypted code has been registered.
Q: Does the engine start using the spare ignition key for which the
encrypted code has been registered?
NOTE: DTC 11 is always set together with MFI system DTC P0513.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

YES: Replace the ignition key that does not work. Then register the
password (secret code) and encrypted code. Retest the system.
NO: Go to Step 3.
STEP 3. Recheck for diagnosis trouble code.
1. Connect scan tool MB991958 to the data link connec
tor.

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

Fig. 11: Connecting Special Tool MB
-991958 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 to the "ON" position.
3. Use scan tool MB991958 to check immobilizer system diagnostic trouble
codes.
4. Turn the ignition switch to "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Which DTC is set, DTC 11 or 12?
DTC12 is set : Refer to DTC 12 DTC 12: ENCRYPTED CODES ARE
NOT THE SAME OR NOT REGISTERED
.
DTC11 is set : Replace the immobilizer-ECU. Then register the password
(secret code) and encrypted code ON
-VEHICLE SERVICE
. Retest the
system.
DTC 11: Trans
ponder Communication S
ystem or Radio Interference of Encr
ypted Code. < FROM TO JANUARY 2004
>

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

Fig. 12: Ignition Key Ring and Immobilizer
-ECU Circuit Diagram &
Connector Identification

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CIRCUIT OPERATION The ignition key is powered by the ignition key ring antenna. The ignition key then
sends an encrypted code. The ignition key ring antenna receives the encrypted code,
and determines if the ignition key is registered. DTC SET CONDITION
DTC 11 may be output if other ignition keys are in the vicinity of the vehicle
as it is being started. The transponder's encrypted code is not sent to the immobilizer-ECU
immediately after the ignition switch is turned to "ON" position.
NOTE: DTC 11 is always output together with MFI system DTC
P0513.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Ignition Switch - Endeavor

TROUBLESHOOTING HINTS
Radio interference of the encrypted code Malfunction of the transponder Malfunction of the 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. Check for presence of other key near the key in the ignition.
Q: Is there any other key near the key in the ignition?
YES: Move the other key well away from key being used. Retest the
system.
NO: Go to Step 2.
STEP 2. Check that the engine start using the spare ignition key which
encrypted code has been registered.
Q: Does the engine start using the spare ignition key for which the
encrypted code has been registered?
YES: Replace the ignition key that does not work. Then register the
password (secret code) and encrypted code. Retest the system.
NO: Go to Step 3.
STEP 3. Recheck for diagnosis trouble code.
1. Connect scan tool MB991958 to the data link connec
tor.

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