PRECAUTION
PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
PRECAUTION FOR REGISTRATION
(a) If replacing any of the following parts, refer to Registration.
(1) Certification ECU (smart key ECU assembly)
(2) ID code box (immobiliser code ECU)
(3) Steering lock ECU (steering lock actuator or upper bracket assembly)
(4) Electrical key transmitter sub-assembly
(5) ECM
(6) Main body ECU (multiplex network body ECU)
PRECAUTIONS FOR BATTERY
(a) The entry unlock function may not operate immediately after the cables are reconnected to the battery. If this occurs, the entry unlock function can be restored by performing a wireless door lock and unlock or mechanical key operation.
(b) When the battery is discharged, if the battery of another vehicle is used to jump start the engine, move the shift lever to P and open and close the driver door with the engine switch off before starting the engine.
(c) After the battery is removed and reinstalled, be sure to wait at least 10 seconds before the next engine start. The engine may not start immediately after the battery is reinstalled.
HINT:
Parts LocationToyota CH-R Service Manual > Airbag System: Short in Driver Side Squib 2nd Step Circuit (B1810/53-B1813/53)
DESCRIPTION
The driver side squib 2nd step circuit consists of the airbag sensor assembly,
spiral cable with sensor sub-assembly and horn button assembly.
The airbag sensor assembly uses this circuit to deploy the airbag when deployment
conditions are met.
These DTCs are stored when a malfunc ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 4 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 22 (CA2H) and 7 (CA2L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...