Diagnostic Function
DIAGNOSTIC FUNCTIONASC-ECU has the following functions for easier system checks. All the following items can be diagnosed using the scan tool.
FAIL-SAFE FUNCTIONS
When a malfunction is determined by the diagnostic function, ASC-ECU illuminates the ABS warning light, ABS warning display, brake warning display, brake warning light , ASC warning display, and ASC OFF display. At the same time, ASC-ECU prohibits the ABS, EBD, skid control, and TCL control.
^ Diagnostic trouble code set, Refer to DIAGNOSTIC TROUBLE CODE CHART. Diagnostic Trouble Code Descriptions
^ Service data output, Refer to DATA LIST REFERENCE TABLE. Scan Tool Testing and Procedures
^ Actuator test. Refer to ACTUATOR TEST REFERENCE TABLE. Scan Tool Testing and Procedures
NOTE: *: The brake warning light and brake warning display are used as the EBD control warning light.
Illumination condition of warning light and display in case of failure
EBD, ABS, skid control, and TCL control status at failure