Fail-Safe Chart
WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- FAIL-SAFE FUNCTION
- When communication fails in any of the CAN bus lines (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning.
- The fail-safe function activates on each system when communication is not possible. (For further details, see the pages for each system.)FAIL-SAFE CHART
Function ECM Gateway ECU Translate ECU Condition when communication is impossible DTC detection (Driver detectable) VSC Control (Controls driving force while VSC is in operation) ◦ - • VSC function stops Detectable (Light comes on) VSC Control (Control VSC / TRC engine output) ◦ - • VSC function stops Detectable (Light comes on) Meter Display (Displays operation condition and DTCs) ◦ • ◦ Light does not come on or remains on Can be recognized with abnormal lighting of the light HINT: - •: Control master
- ◦: System related