Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 599
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-31
STEP 2. Check the harness wire between the ABS-ECU
connector A-02 and the combination meter connector C-
41.
NOTE: After inspecting the intermediate connector C-94,
inspect the wire. If the intermediate connector 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 3 .
Q: Is the harness wire between the ABS-ECU connector A-
02 and the combination meter connector C-41
damaged?
YES : Repair it and then go to Step 3.
NO : Go to Step 3.
STEP 3. Check symptom.
Q: Does the TCL indicator light turn off 3 seconds after
start-up?
YES : This diagnosis is complete.
NO : Return to Step 1.
AC001985
CONNECTOR: A-02
AD
AC004482 AB
CONNECTOR: C-41
COMBINATION METER
AC003604 AB
CONNECTOR: C-94
CONNECTOR
BLOCK (RH)
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-32
INSPECTION PROCEDURE 5: The TCL Warning Light Remains Illuminated after the Engine is
Started.
NOTE: This diagnosis procedure is limited to cases where communication with the scan tool is possible
(ABS-ECU power supply is normal) and no diagnostic trouble code outputs.
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-33
CIRCUIT OPERATION
•
The ABS-ECU controls the illumination of the
TCL warning light by turning it "ON" and "OFF."
•
The ABS-ECU illuminates the TCL warning 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 is probably hydraulic unit (integrated with
ABS-ECU) malfunction.
TROUBLESHOOTING HINTS (The most likely
causes for this case:)
•
Damaged wiring harness or connector
•
Malfunction of the hydraulic unit (integrated with
ABS-ECU)
DIAGNOSIS
Required Special Tool:
•
MB991223: Harness Set
STEP 1. Check the TCL warning light circuit at the ABS-
ECU connector A-02.
(1) Disconnect the ABS-ECU connector A-02.
(2) Turn the ignition switch to the "ON" position.
Q: Does the TCL warning light illuminate?
YES : Go to Step 2.
NO : Replace the hydraulic unit (integrated with ABS-ECU)
(Refer to GROUP 35B, Hydraulic Unit
.) and
then go to Step 3.
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
AC001985
CONNECTOR: A-02
AD
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-34
STEP 2. Check the harness wire between the ABS-ECU
connector A-02 and the combination meter connector C-
41.
NOTE: After inspecting the intermediate connector C-94,
inspect the wire. If the intermediate connector 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 3.
Q: Is the harness wire between the ABS-ECU connector A-
02 and the combination meter connector C-41
damaged?
YES : Repair it and then go to Step 3.
NO : Go to Step 3.
STEP 3. Check symptoms.
Q: Does the TCL warning light turn off 3 seconds after
start-up?
YES : This diagnosis is complete.
NO : Return to Step 1.
AC001985
CONNECTOR: A-02
AD
AC004482 AB
CONNECTOR: C-41
COMBINATION METER
AC003604 AB
CONNECTOR: C-94
CONNECTOR
BLOCK (RH)
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