PRECAUTION
PRECAUTIONS WHEN USING TECHSTREAM
(a) After all DTCs are cleared, check if the malfunction occurs again 6 seconds after turning the ignition switch ON.
PRECAUTIONS FOR THE KEY
(a) The key is a precision instrument. Be sure to observe the following:
(1) Do not drop or strike the key.
(2) Do not allow the key to be kept in a high temperature place for a long time.
(3) Do not use an ultrasonic washing machine to clean the key.
(4) Keep the key away from magnets or magnetized items during use.
(5) Do not attach any stickers to the key.
PRECAUTION FOR REGISTRATION
(a) If replacing any of the following parts, refer to Registration.
NOTICE:
Any keys or ECUs for which registration has been performed cannot be reused.
(1) Key
(2) Transponder key ECU assembly
(3) ECM
Parts Location
System DiagramToyota CH-R Service Manual > Safety Connect System: Short in Telephone SUB Antenna Circuit (B1536,B1537)
DESCRIPTION
These DTCs are stored when the DCM (Telematics Transceiver) detects an open or
a short in the telephone and GPS antenna assembly (for Front Side) circuit. The
DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990
MHz radio-frequency through the telephon ...
Toyota CH-R Service Manual > Lighting System: Light Sensor Circuit Malfunction (B1244)
DESCRIPTION
The automatic light control sensor detects ambient light. The sensor creates
an electrical signal based on the amount of light detected, and sends the signal
to the main body ECU (multiplex network body ECU). The main body ECU (multiplex
network body ECU) turns on or off the headl ...