Procedure 2 - Scan Tool Unable To Communicate With ABS System
Inspection Procedure 2:
COMMUNICATION WITH SCAN TOOL IS NOT POSSIBLE. (COMMUNICATION WITH ABS ONLY IS NOT POSSIBLE.)
When communication with the scan tool is not possible, the cause is probably an open circuit in the ABS-ECU power circuit or an open circuit in the diagnostic output circuit.
Probable Cause
- Blown fuse
- Malfunction of wiring harness or connector
- Malfunction of ABS power relay
- Malfunction of ABS-ECU