Toyota CH-R Service Manual: Lost Communication with Power Source Control (B278C)

NOTICE:

• When using the Techstream with the ignition 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.
• If the certification ECU (smart key ECU assembly) or ID code box (immobiliser code ECU) is replaced, refer to Registration.

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Rear Door LH ECU Communication Stop (B2324)

DESCRIPTION This DTC is stored when LIN communication between the power window regulator motor assembly (for rear LH door) and main body ECU (multiplex network body ECU) stops for 10 seconds or m ...

Front Passenger Side Door ECU Communication Stop (B2322)

DESCRIPTION This DTC is stored when LIN communication between the power window regulator motor assembly (for front passenger door) and main body ECU (multiplex network body ECU) stops for 10 seco ...

Other materials:

Toyota CH-R Service Manual > Power Window Control System: Terminals Of Ecu
TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (a) Disconnect the J6 multiplex network master switch assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector ...

Toyota CH-R Service Manual > Rear Door Courtesy Switch: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the rear door courtesy switch removal/installation are shown below. Necessary Procedures After Part ...