Toyota Yaris: Can Communication System / Dtc Check / Clear

Diagnosis System

DIAGNOSIS SYSTEM NOTICE: The following communication bus check screen is provided only as an example. This screen differs from the actual screen for this vehicle...

Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Antenna Coil Circuit Voltage Out of Range (B27841C)

DESCRIPTION When an open or short circuit is detected in the transponder key amplifier coil built into the engine switch, the certification ECU (smart key ECU assembly) stores this DTC. This DTC is also stored as a history DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B27841C Antenna Coil Circuit Voltage Out of Range The transponder key amplifier coil built into the engine switch is open (see below) or shorted (determined by communication with certification ECU (smart key ECU assembly))...