Mitsubishi 380. Manual — part 326

TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS

TRACTION CONTROL SYSTEM (TCL)

13C-24

CIRCUIT OPERATION

• The TCL automatically goes to ON, when the

ignition is turned to the "ON" position. To deacti-
vate the TCL, press the TCL switch. To reactivate
the TCL , press the TCL switch again.

• ABS/TCL-ECU send the illumination signal of

"TCL OFF" indicator light and TCL work indicator
light to the combination meter via the CAN com-
munication.

• ABS/TCL-ECU 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.

16DB402A

A-02 (GR)

CONNECTOR: A-02

A-02 HARNESS CONNECTOR:

17DB046A

C-29

C-101

C-02

C-02 HARNESS

CONNECTOR:

COMPONENT SIDE

C-29 MALE SIDE

CONNECTOR

C-101 HARNESS

CONNECTOR:

COMPONENT SIDE

CONNECTORS: C-02, C-29, C-101

17DB047A

C-215 HARNESS CONNECTOR:

COMPONENT SIDE

CONNECTORS: C-211, C-215

C-211 HARNESS CONNECTOR:

COMPONENT SIDE

TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS

TRACTION CONTROL SYSTEM (TCL)

13C-25

NOTE: If you press the TCL switch to deactivate the
TCL and then keep the TCL switch pressed for about
10 seconds, an error prevention function will auto-
matically reactivate the TCL. If you then still wish to
deactivate the TCL, press the TCL switch again to
deactivate it.

NOTE: If the ABS-8 ECU or the active wheel
speed sensor are disconnected, or if the wiring is
an open/ short circuit, the ABS 8 ECU will shut
off power supply to the respective wheel speed
sensor. All other wheel speed sensors will oper-
ate normally. To restore the power supply, the
ignition switch must be turned to the "OFF" posi-
tion then to the "ON" position again.

TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS

TRACTION CONTROL SYSTEM (TCL)

13C-26

COMMENT

This may be caused by faults in the CAN bus line,
the combination meter or the ABS/TCL-ECU.

TROUBLESHOOTING HINTS

• Malfunction of the combination meter.

• Damaged harness or connector.

• Malfunction of the ABS/TCL-ECU.

DIAGNOSIS

Required Special Tools:

• MB991958: Diagnostic Tool (MUT-III Sub Assembly)

• MB991824: V.C.I.

• MB991827: MUT-III USB Cable

• MB991910: MUT-III Main Harness A

STEP 1. Using diagnostic tool MB991958, diagnose the
CAN bus line.

CAUTION

To prevent damage to diagnostic tool MB991958, always
turn the ignition switch to the "LOCK" (OFF) position
before connecting or disconnecting diagnostic tool
MB991958.
(1) Connect diagnostic tool MB991958 to the data link

connector. (Refer to

P.13C-3

(2) Turn the ignition switch to the "ON" position.
(3) Diagnose the CAN bus line. (Refer to

P.13C-3

(4) Turn the ignition switch to the "LOCK" (OFF) position.
(5) Disconnect diagnostic tool MB991958.

Q: Is the check result satisfactory?

YES : Go to Step 2
NO : Repair the CAN bus lines. (Refer to GROUP 54C,

Diagnosis

− Can Bus Diagnostic Chart

P.54C-15

Then go to Step 4.

00DB076A