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.
6. Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is DTC C1860 or C1861 set?
YES: Go to Step 1 .
NO: The procedure is complete.
DTC U1073: Bus off TROUBLE JUDGMENT This code is stored when the ABS-ECU has ceased the CAN communication (bus
off). Then, if a penalty mode is entered after approximately five minutes, regular
data transmission will be cancelled. TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THESE DTCS ARE TO SET ARE:)
Damaged wiring harness or connector Malfunction of the hydraulic unit (integrated with ABS-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 CAUTION:
If DTC U1073 is set in the ABS-ECU, 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 ECU is replaced, ensure that the
communication circuit is normal.
2004 Mitsubishi Endeavor LS
2004 BRAKES Anti-Lock Braking System (ABS) - Endeavor
Page 456 of 3870

2004 TRANSMISSION
Automatic Transaxle Overhaul - Endeavor
GENERAL INFORMATION This automatic transaxle is made up of the following main parts.
The gear train is made up of 3 multi-plate clutches, 2 multi-plate brakes and 2
planetary gears made up of a sun gear, carrier, pinion gear and annulus gear.
The torque converter employs a 3 element, 1 step, 2 phase lock-up clutch.
The cases consist of a converter housing, transaxle case, rear cover and a valve
body cover.
Parts related to oil pressure regulation are the oil pump, which pressurizes the oil;
the regulator, which controls the pressure setting; the solenoid valves, which
changes the oil pressure with electrical signals; the pressure control valve, which
controls the oil pressure coming from the solenoid valve that effects each clutch and
brake; each kind of valve, which carry out the retention of the oil pressure through
the lines; and finally the valve body, which houses all the valves. SECTIONAL VIEW < F4A5A >
2004 Mitsubishi Endeavor XLS
2004 TRANSMISSION Automatic Transaxle Overhaul - Endeavor
2004 Mitsubishi Endeavor XLS
2004 TRANSMISSION Automatic Transaxle Overhaul - Endeavor
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2004 BRAKES
Traction Control, Active Skid Control System - Endeavor
GENERAL INFORMATION Traction Control/Active Skid Control System (TCL/ASC) is available for AWD
models as optional equipment.
The Traction Control/Active Skid Control System is a combination system of
active skid control system and traction control system. The active skid control
system avoids a dangerous vehicle attitude by limiting the engine output and
braking a set of wheels (front left and right rear, or right front and left rear)
according to driving conditions. The traction control system prevents wheel
spinning at vehicle start. Fail-safe function ensures safety is maintained Diagnostic function provides improved serviceability To shorten the lines and enhance data transmission reliability, communication
with other ECU is
performed over a CAN
(Controller Area Network
).
2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor
2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor
Page 3410 of 3870

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
DTC U1073: BUS OFF TROUBLE JUDGMENT This code is stored when the TCL/ASC-ECU has ceased the CAN communication
(bus off). Then, if a penalty mode is entered after approximately five minutes,
regular data transmission will be cancelled. TROUBLESHOOTING HINTS (The most likely causes for these DTCs are to set are:)
Damaged wiring harness or connector Malfunction of the hydraulic unit (integrated with TCL/ASC-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. Using scan tool MB991958, diagnose the CAN bus line. CAUTION:
If DTC U1073 is set in the TCL/ASC-ECU, 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 ECU is replaced, ensure that the
communication circuit is normal.
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, Active Skid Control System - Endeavor
Page 3438 of 3870

Code
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6. Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is DTC C1551, C1552, C1553, C1554, C1555 or C1608 set?
YES: Replace steering wheel sensor.
NO: The procedure is complete.
DTC U1073: BUS OFF TROUBLE JUDGMENT This code is stored when the steering wheel sensor has ceased the CAN
communication (bus off). Then, if a penalty mode is entered after approximately
five minutes, regular data transmission will be cancelled. TROUBLESHOOTING HINTS (The most likely causes for these DTCs are to set are:)
Damaged wiring harness or connector Malfunction of the hydraulic unit (integrated with TCL/ASC-ECU)
DIAGNOSIS Required Special Tools: CAUTION:
If DTC U1073 is set in the steering wheel sensor,
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 ECU is replaced, ensure that the
communication circuit is normal.
CAUTION: If DTC U1073 has been set, TCL/ASC-ECU related
DTC C1506 is also set. After DTC U1073 has been
diagnosed, don't forget to erase DTC C1506.
2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor
Page 3596 of 3870

DIAGNOSTIC TROUBLE CODE DEFINITIONSA00206313 DIAGNOSTIC TROUBLE CODE PROCEDURES DTC C1396: Engine Torque Intervention Refusal DTC SET CONDITIONS This DTC code is set when the refusal of torque intervention request is sent from
PCM. TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THIS CODE TO BE SET ARE:)
Malfunction of the MFI system. Malfunction of the CAN bus line. Malfunction of the ABS/TC
L-ECU < FWD > or TCL/ASC-ECU < AWD >.
DTC
Description
DTC C1396
Engine Torque Intervention Refusal
DTC C1397
Transmission Range Switch Input
Refusal
DTC U1100
CAN Communications System Time
Out Error Engine Related Data
DTC U1101
CAN Communications System Time
Out Error A/T Related Data
DTC U1120
CAN Communications System TCL
Uncontrollable by Engine Malfunction
DTC U1400
Dynamic range error APS1
CAUTION:
If DTC C1396 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
Page 3605 of 3870

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
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 DTC C1396 set?
YES: Return to Step 1 .
NO: The procedure is complete.
DTC C1397: Transmission Range Switch Input Refusal DTC SET CONDITIONS This DTC code is set when the transmission range switch fail request is sent from
PCM. TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THIS CODE TO BE SET ARE:)
Malfunction of the A/T system. Malfunction of the ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD >.
DIAGNOSIS
CAUTION:
If DTC C1397 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 A/T system-related DTC may be set when
DTC C1397 is set. Diagnose the A/T system first
when the A/T system-related DTC is set.
2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control System (TCL) - Endeavor