2004 MITSUBISHI ENDEAVOR ECU

2. Turn the ignition switch to the "ON" position.
3. Erase the DTC. (Refer to TRACTION CONTROL SYSTEM (TCL)
DIAGNOSIS
).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Turn the ignition switch to the "ON" position.
6. Check if the DTC is set.
7. Turn the ignition switch to the "LOCK" (OFF) position.
8. Disconnect scan tool MB991958.
Q: Is DTC U1100 set?
YES: Replace the hydraulic unit (integrated with ABS/TCL-ECU < FWD > or
TCL/ASC-ECU < AWD >). (Refer to HYDRAULIC UNIT
). Then to Step 6.
NO: It can be assumed that this malfunction is intermittent. (Refer to HOW
TO COPE WITH INTERMITTENT MALFUNCTIONS
).
STEP 6. Recheck for diagnostic trouble code.
Check again if the DTC is set.
1. Connect scan tool MB991958 to the data link connector. (Refer to
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
). CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch to the "ON" position.
3. Erase the DTC. (Refer to TRACTION CONTROL SYSTEM (TCL)
DIAGNOSIS
).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Turn the ignition switch to the "ON" position.
6. Check if the DTC is set.
7. Turn the ignition switch to the "LOCK" (OFF) position.
8. Disconnect scan tool MB991958.
Q: Is DTC U1100 set?
YES: Return to Step 1 .
NO: The procedure is complete.
DTC U1101: CAN Communications System Time Out Error A/T Related Data DTC SET CONDITION The ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD > receives A/T system-
related signals from the powertrain control module (PCM) via CAN bus lines. TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THESE DTCS ARE TO SET ARE:)
Damaged harness or connector. Malfunction of the PCM. CAUTION:
If DTC U1101 is set in the ABS/TCL-ECU < FWD >
or TCL/ASC-ECU < AWD >, always diagnose the
CAN main bus line. If there is any fault in the
CAN bus lines, an incorrect DTC may be set. Whenever the ABS/TCL-ECU < FWD > or
TCL/ASC-ECU < AWD > is replaced, ensure that
the communication circuit is normal.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor

Malfunction of the ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD >.
DIAGNOSIS Required Special Tools:
MB991958: Scan tool (MUT-III sub assembly)
MB991824: V.C.I. MB991827: MUT-III USB cable MB991910: MUT-III main harness A
STEP 1. Using scan tool MB991958, diagnose the CAN bus line.
1. Connect scan tool MB991958 to the data link connector. (Refer to
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
). CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch to the "ON" position.
3. Check if a DTC, which relates to CAN communication-linked systems
below, is set.
ETACS-ECU
DTC 012: Power train control module time-out (related to A/T)
Combination meter DTC 012: Power train control module time-out (related to A/T)
Multi-center display DTC 012: Power train control module time-out (related to A/T)
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Is DTC 012 set?
YES: Go to Step 4.
NO: Go to Step 5 .
STEP 4. Recheck for diagnostic trouble code.
Check again if the DTC is set.
1. Connect scan tool MB991958 to the data link connector. (Refer to
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
). CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor

2. Turn the ignition switch to the "ON" position.
3. Erase the DTC. (Refer to TRACTION CONTROL SYSTEM (TCL)
DIAGNOSIS
).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Turn the ignition switch to the "ON" position.
6. Check if the DTC is set.
7. Turn the ignition switch to the "LOCK" (OFF) position.
8. Disconnect scan tool MB991958.
Q: Is DTC U1101 set?
YES: Replace the hydraulic unit (integrated with ABS/TCL-ECU < FWD > or
TCL/ASC-ECU < AWD >). (Refer to HYDRAULIC UNIT
). Then go to Step
6.
NO: It can be assumed that this malfunction is intermittent. (Refer to HOW
TO COPE WITH INTERMITTENT MALFUNCTIONS
).
STEP 6. Recheck for diagnostic trouble code.
Check again if the DTC is set.
1. Connect scan tool MB991958 to the data link connector. (Refer to
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
). CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch to the "ON" position.
3. Erase the DTC. (Refer to TRACTION CONTROL SYSTEM (TCL)
DIAGNOSIS
).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Turn the ignition switch to the "ON" position.
6. Check if the DTC is set.
7. Turn the ignition switch to the "LOCK" (OFF) position.
8. Disconnect scan tool MB991958.
Q: Is DTC U1101 set?
YES: Return to Step 1 .
NO: The procedure is complete.
DTC U1120: CAN Communications System TCL Uncontrollable by Engine Malfunction DTC SET CONDITION The ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD > receives engine
system-related signals from the powertrain control module (PCM) via CAN bus
lines. If a fail-safe related data is contained in the si
gnal from the PCM, DTC CAUTION:
If DTC U1120 is set in the ABS/TCL-ECU < FWD >
or TCL/ASC-ECU < AWD >, always diagnose the
CAN main bus line. If there is any fault in the
CAN bus lines, an incorrect DTC may be set. Whenever the ABS/TCL-ECU < FWD > or
TCL/ASC-ECU < AWD > is replaced, ensure that
the communication circuit is normal. The engine control system-related DTC may be
set when DTC U1120 is set. Diagnose the engine
control system first when the engine control
system-related DTC is set.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor

U1120 will be stored. TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THESE DTCS ARE TO SET ARE:)
Damaged harness or connector. Malfunction of the PCM. Malfunction of the ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD >.
DIAGNOSIS Required Special Tools:
MB991958: Scan tool (MUT-III sub assembly) MB991824: V.C.I. MB991827: MUT-III USB cable MB991910: MUT-III main harness A
STEP 1. Using scan tool MB991958, read the diagnostic trouble code.
1. Connect scan tool MB991958 to the data link connector. (Refer to
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
). CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch to the "ON" position.
3. Check if a DTC, which relates to CAN communication-linked systems
below, is set. A/C-ECU
DTC U1120: Failure Information on Power train control module
(related to engine)
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Is DTC U1120 set?
YES: Go to Step 4.
NO: Go to Step 5 .
STEP 4. Recheck for diagnostic trouble code.
Check again if the DTC is set.
1. Connect scan tool MB991958 to the data link connector. (Refer to
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
). CAUTION: To prevent damage to scan tool MB991958,
always turn the ignition switch to the
"LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor