Toyota Avalon (XX50): Smart Key System(for Start Function, Hv Model)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System(for Start Function, Hv Model)

Additional Key cannot be Registered. Open in Front Floor Electrical Key Oscillator Circuit (B27A5). Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)

System Voltage or GND Energization Malfunction (B228B). Short to GND in Immobiliser System Power Source Circuit (B278A). Malfunction of ID-BOX Recognition (B278D)

Engine Immobiliser System Circuit Short to Battery (B279A12). Engine Immobiliser System Incorrect Assembly (B279C95). Ignition Hold Monitor Malfunction (B2271)

ACC Monitor Malfunction (B2274). STSW Monitor Malfunction (B2275). Detecting Vehicle Submersion (B2277)

Engine/Power Switch Malfunction (B2278). Vehicle Speed Signal Malfunction (B2282,B2283). Brake Signal Malfunction (B2284)

Steering Lock Position Signal Circuit Malfunction (B2285). Engine Starter Communication Malfunction (B2779). Open / Short in Steering Lock ECU (B2781)

Power Source Control ECU Malfunction (B2782). Antenna Coil Open / Short (B2784). IG2 Signal Malfunction (B2788)

Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986). Check For Intermittent Problems. Customer Problem Analysis Check

Customize Parameters. Data List / Active Test. Diagnostic Trouble Code Chart

Dtc Check / Clear. How To Proceed With Troubleshooting. Immobiliser System does not Operate Properly

New Key cannot be Registered

New Key Registration Warning Message is not Displayed. Operation Check. Parts Location

Power Source Mode does not Change to ON (ACC). Power Source Mode does not Change to ON (IG and ACC). Power Source Mode does not Change to ON (IG)

Power Source Mode does not Change to ON (READY)

Precaution. Problem Symptoms Table. Registration

Security Indicator Light Does not Blink. Steering Lock does not Lock. System Diagram

Terminals Of Ecu

Lost Communication with ECM / PCM (U0100,U0140,U0142,U0155,U0293). Unable to Unlock Steering Wheel (Hybrid Control System cannot Start)

Lost Communication with ECM / PCM (U0100,U0140,U0142,U0155). Unable to Unlock Steering Wheel (Engine cannot Start)

Additional Key cannot be Registered. Open in Front Floor Electrical Key Oscillator Circuit (B27A5). Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Gasoline Model): Driver Seat Control ECU Communication Stop Mode. Driving Support ECU Communication Stop Mode. Dtc Check / Clear
Driver Seat Control ECU Communication Stop Mode DESCRIPTION Detection Item Symptom Trouble Area Driver Seat Control ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "D-Seat" is indicated on the "Communication Bus Check" screen of the Techstream. Click here ...

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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