Toyota CH-R Service Manual: No Response from Steering Lock ECU (B2786)

NOTICE:

• Inspect the fuses for circuits related to this system before performing the following procedure.
• 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 steering lock ECU (steering lock actuator or upper bracket assembly) is replaced, refer to Registration.

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Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART LIN Communication System DTC No. Detection Item Link B1206 P/W Master Switch Communication Stop ...

No Response from ID BOX (B2789)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or more. DTC N ...

Other materials:

Toyota CH-R Service Manual > Wireless Door Lock Control System(w/o Smart Key System): Registration
REGISTRATION CAUTION / NOTICE / HINT HINT: Register a new recognition code when replacing the door control transmitter assembly or the door control and tire pressure monitoring system receiver assembly. Add mode is used to retain the codes that have already been registered ...

Toyota CH-R Service Manual > Smart Key System(for Start Function): Brake Signal Malfunction (B2284)
DESCRIPTION This DTC is stored when the brake signal sent via direct line and the brake signal sent via CAN communication do not match. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2284 Brake ...