Page 3642 of 3870
2. Turn the ignition switch to the "ON" position.
3. Check for MFI system diagnostic trouble code. (Refer to HOW TO
READ AND ERASE DIAGNOSTIC TROUBLE CODE
).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Is any DTC set?
YES: Repair the MFI control system. (Refer to DIAGNOSTIC TROUBLE
CODE CHART
). Then go to Step 6 .
NO: Go to Step 2.
STEP 2. 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
Page 3644 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch to the "ON" position.
3. Diagnose the CAN bus line. (Refer to PRECAUTONS ON HOW TO
REPAIR THE CAN BUS LINES
).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Is the CAN bus line found to be normal?
YES: Go to Step 3.
NO: Repair the CAN bus line. (Refer to MULTIPORT FUEL INJECTION
(MFI) DIAGNOSIS
). Then go to Step 6 .
STEP 3. 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
Page 3656 of 3870

CIRCUIT OPERATION
ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD > send the illumination
signal of "TCL OFF" indicator light and TCL work indicator light to the
combination meter via the CAN communication. ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD > operates the "TCL
OFF" indicator light and the TCL work indicator light for three seconds after
the ignition switch is turned "ON" position for bulb check.
COMMENT This may be caused by faults in the CAN bus line, the combination meter or the
ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD >. TROUBLESHOOTING HINTS
Malfunction of the combination meter
Damaged harness, connector Malfunction of the ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD
>
DIAGNOSIS
Required Special Tool:
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.
Use scan tool MB991958 to diagnose the CAN bus lines.
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
Page 3659 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
2. Turn the ignition switch to the "ON" position.
3. Diagnose the CAN bus line. (Refer to TRACTION CONTROL
SYSTEM (TCL) DIAGNOSIS
, How to diagnose CAN bus line).
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Is the check result satisfactory?
YES: Go to Step 2
NO: Repair the CAN bus lines. (Refer to CAN BUS DIAGNOSTICS
TABLE
). Then go to Step 4 .
STEP 2. 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
Page 3685 of 3870

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THIS CASE:)
Malfunction of the CAN bus line. Malfunction of the MFI system. Malfunction of the A/T system. Malfunction of the ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD >.
DIAGNOSIS
Required Special Tool:
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
).
2. Turn the ignition switch to the "ON" position.
3. Use scan tool MB991958 to read the TCL diagnostic trouble codes.
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
Q: Is any DTC set?
YES: Repair the TCL system. (Refer to TCL DIAGNOSTIC TROUBLE
CODE CHART
). Then go to Step 4 . 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