COMPONENTS
ILLUSTRATION
On-vehicle InspectionDiagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) When troubleshooting On-Board Diagnostic (OBD II) vehicles, the vehicle must
be connected to the OBD II scan tool (complying with SAE J1987). Various data output
from the vehicle's ECM can then be read.
(b) OBD II ...
Short in CAN Bus Lines
DESCRIPTION
There may be a short circuit between the CAN bus lines when the resistance between
terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ω.
Symptom
Trouble Area
The resistance between terminals 6 (CANH ...