Installation
ComponentsToyota CH-R Service Manual > Can Communication System: 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. The fail-safe function that is specified for
each system operates to prevent those systems from malfunctioning.
(b) The following table show ...
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Torque Converter Clutch Solenoid Circuit Low (P2769,P2770)
DESCRIPTION
Based on the signal received by the shift solenoid valve SL, the ECM uses the
shift solenoid valve SLU to control the lock-up clutch pressure.
If there is an open or short in the shift solenoid valve SL circuit, the ECM
stops sending current to the defective shift solenoid valve.
...