Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 595
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-15
STEP 3. Check the harness wires between the ABS-ECU
connector A-02 and the data link connector C-29.
NOTE: After inspecting the intermediate connector C-77 or C-
94, inspect the wires. If the intermediate connector C-77 or C-
94 is damaged, repair or replace it. Refer to GROUP 00E,
Harness Connector Inspection
. If the connector has
been repaired or replaced, go to Step 4.
Q: Is any of the harness wires between the ABS-ECU
connector A-02 and the data link connector C-29
damaged?
YES : Repair it and go to Step 5.
NO : Go to Step 4.
AC001985
CONNECTOR: A-02
AD
AC004429AB
CONNECTOR: C-29
COMBINATION METER
AC004427AB
CONNECTOR: C-77
COMBINATION
METER
AC003604 AB
CONNECTOR: C-94
CONNECTOR
BLOCK (RH)
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-16
STEP 4. Check the harness wires between the ABS-ECU
connector A-02 and ground.
Q: Is any of the harness wires between the ABS-ECU
connector A-02 and ground damaged?
YES : Repair it and then go to Step 5.
NO : Replace the hydraulic unit (integrated with ABS-ECU)
(Refer to GROUP 35B, Hydraulic Unit
.) and
then go to Step 5.
STEP 5. Check symptoms.
Q: Does the scan tool communicate with the TCL system?
YES : This diagnosis is complete.
NO : Return to Step 1.
AC001985
CONNECTOR: A-02
AD
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-17
INSPECTION PROCEDURE 2: When the Ignition Key is Turned to "ON" (Engine Stopped), the TCL
Indicator Light does not Illuminate.
NOTE: CONNECTOR LOCK SWITCH
ON: The ABS-ECU connector A-02 is connected.
OFF: The ABS-ECU connector A-02 is disconnected.
TCL Warning Light and TCL Indicator Light Circuit
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
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TRACTION CONTROL SYSTEM (TCL)
35C-18
CIRCUIT OPERATION
•
Power to the TCL indicator light is supplied from
the ignition switch. The ABS-ECU grounds the
circuit to turn the light ON.
•
The ABS-ECU illuminates the TCL indicator light
for three seconds on start-up <ignition key: "ON"
(with engine stopped)>. When the ABS-ECU
completes the self-check, it turns off the light.
TECHNICAL DESCRIPTION (COMMENT)
The cause may be: an open circuit in the TCL
indicator light power supply circuit, a blown TCL
indicator light bulb or ABS-ECU malfunction.
TROUBLESHOOTING HINTS (The most likely
causes for this case:)
•
Blown fuse
•
Damaged wiring harness or connector
•
Burnt out TCL indicator light bulb
•
Malfunction of the ABS-ECU
DIAGNOSIS
Required Special Tool:
•
MB991223: Harness Set
STEP: 1. Check the TCL indicator light circuit at the ABS-
ECU connector A-02.
(1) Disconnect the ABS-ECU connector A-02 and measure at
the harness side.
(2) Ground the terminal 13.
(3) Turn the ignition switch to the "ON" position.
Q: Does the TCL indicator light illuminate?
YES : Replace the hydraulic unit (integrated with ABS-ECU)
(Refer to GROUP 35B, Hydraulic Unit
.) and
then go to Step 9.
NO : Go to Step 2.
AC001985
CONNECTOR: A-02
AD
AC004428 AB
CONNECTORS: C-41, C-42
C-41
C-42
COMBINATION
METER
AC003604 AB
CONNECTOR: C-94
CONNECTOR
BLOCK (RH)
AC004411AB
CONNECTORS: C-101, C-104
C-104
C-101
AC000968
A-02 (HARNESS SIDE)
AB
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