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Description of On-Board Diagnostics

FAIL-SAFE CHART

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 causes, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning.
b. This function operates for each system when communication is impossible.

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