Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Automatic Transaxle System: Diagnosis System. Diagnostic Trouble Code Chart. Dtc Check / Clear
Diagnosis System DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting On-Board Diagnostic (OBD II) vehicles, an OBD II scan tool (complying with SAE J1987) must be connected to the vehicle. Various data output from the vehicle ECM can then be read. (b) OBD II regulations require that the vehicle on ...
