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
Toyota CH-R Service Manual > Toyota Entune System: DCM Data Signal Circuit between Navigation ECU and DCM
DESCRIPTION
This circuit is used to send and receive signals between the DCM (Telematics
Transceiver) and radio and display receiver assembly.
WIRING DIAGRAM
PROCEDURE
1.
CHECK VEHICLE TYPE
(a) Check vehicle type.
Result
Proceed to
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 1 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...