Description of On-Board Diagnostics

FAIL-SAFE CHART

1. FAIL-SAFE FUNCTION

a. When communication fails in any of the CAN bus lines (communication lines) due to a short circuit or any other cause, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning.







b. Effects on each system when communication is impossible are shown.

HINT:
- Rx: Reception from each ECU.
- Tx: Transmission to each ECU.