[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
35 -SERVICE BRAKES > 35C-ACTIVE STABILITY CONTROL SYSTEM (ASC) > TROUBLESHOOTING<ASC-ECU><ASC-ECU> > SYMPTOM PROCEDURES > WHEN THE TCL SWITCH IS PUSHED, TCL SYSTEM CANNOT BE DISABLED.
Inspection Procedure 9: The stability control/TCL system cannot be disabled when ASC OFF switch is pressed for 3 seconds or more to turn the system OFF.
 
 
caution
  • If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
  • Whenever ECU is replaced, ensure that the CAN bus lines are normal.
 
 
OPERATION
  • ETACS-ECU (ASCS terminal) is earthed by pressing ASC OFF switch. The ON/OFF state of ASC OFF switch is transferred from ETACS-ECU to ASC-ECU via CAN bus line.
  • When the ASC OFF switch is pressed for 3 seconds or more, the ASC system turns OFF.
  • When the ASC OFF switch is pressed and held for 15 seconds or more, ASC turns ON.
 
 
 
COMMENTS ON TROUBLE SYMPTOM
This may be caused by the open and short circuit in the ASC OFF switch circuit.
 
 
 
PROBABLE CAUSES
  • Damaged wiring harness and connectors
  • ASC OFF switch malfunction
  • Malfunction of ETACS-ECU
 
 
 
 
DIAGNOSIS PROCEDURE
1. Check M.U.T.-III CAN bus diagnosis
2. Check M.U.T.-III data list for ETACS-ECU system
  • ASC OFF switch: During ON operation
 
Item No.Item nameNormal condition
104A.S.C./TCL OFF switchON
If it is not a normal condition, refer to GROUP 54A - ETACS, Inspection Procedure 15 "The ASC OFF switch signal is not received." .
3. Check does ASC turn ON and OFF normally using ASC OFF switch