Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 598
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-27
STEP 6. Check the continuity between the combination
meter and the ABS-ECU.
Check the continuity between the combination meter connector
C-41 (terminal 42) and ABS-ECU connector A-02 (terminal 20).
Q: Is there the continuity between the combination meter
connector C-41 (terminal 42) and the ABS-ECU
connector A-02 (terminal 20)?
YES : Replace the hydraulic unit (integrated with ABS-ECU)
(Refer to GROUP 35B, Hydraulic Unit
.) and
then go to Step 9.
NO : Repair the harness wire and then go to Step 9.
STEP 7. Check connectors C-41, C-101, and C-104.
Refer to GROUP 00E, Harness Connector Inspection
Q: Is any of the connectors damaged?
YES : Repair it and then go to Step 9.
NO : Go to Step 8.
AC001985
CONNECTOR: A-02
AD
AC004482 AB
CONNECTOR: C-41
COMBINATION METER
AC004482 AB
CONNECTOR: C-41
COMBINATION METER
AC004411AB
CONNECTORS: C-101, C-104
C-104
C-101
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-28
STEP 8. Check the continuity between the ignition switch
(IG1) and the combination meter.
Check the continuity between the ignition switch (IG1) and the
combination meter connector C-41 (terminal 52).
Q: Is there any continuity (less than 2 ohm) between the
ignition switch (IG1) and the combination meter
connector C-41 (terminal 52)?
YES : Replace the hydraulic unit (integrated with ABS-ECU)
(Refer to GROUP 35B, Hydraulic Unit
.) and
then go to Step 9.
NO : Repair the harness wire and then go to Step 9.
STEP 9. Check symptoms.
Q: Does the TCL warning light illuminate for 3 seconds
when the ignition switch is turned to the "ON" position
with engine stopped or upon startup?
YES : This diagnosis is complete.
NO : Return to Step 1.
AC004482 AB
CONNECTOR: C-41
COMBINATION METER
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-29
INSPECTION PROCEDURE 4: The TCL Indicator 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
TSB Revision
TRACTION CONTROL SYSTEM (TCL)
35C-30
CIRCUIT OPERATION
•
The ABS-ECU controls the illumination of the
TCL indicator light by turning it "ON" and "OFF."
•
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 is probably the 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 indicator 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 indicator 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
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