|
|
DIAGNOSIS TSB Revision ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-235 CAUTION • If there is any problem in the CAN bus lines, an incor- rect diagnostic trouble code may be set. Prior to this − CAN Bus Line Diagnostic Flow • Whenever ECU is replaced, ensure that the CAN bus lines are normal. • When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steer-
and . OPERATION • ASC-ECU sends the illumination request signal of ASC OFF display to the combination meter through ETACS-ECU • By the operation of ASC OFF switch, the ASC OFF display illuminates when the ASC function is stopped. • When the ASC OFF switch is pressed for 3 seconds or more, the ASC system turns OFF. • When the ASC OFF switch is pressed for 15 seconds or more, the ASC is kept in ON state. . TECHNICAL DESCRIPTION (COMMENT) This may be caused by faults in the CAN bus line, . PROBABLE CAUSES • Damaged wiring harness and connectors • ETACS-ECU malfunction • Combination meter malfunction • ASC-ECU malfunction • ASC OFF switch malfunction DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) AC901075BF Connectors: C-32, C-101 C-32 C-101 AC702828 AO Connector: C-313 C-313 (BR) |