REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during central gateway ECU (network gateway ECU) removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)
CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing. Click here PROCEDURE 1. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY Click here 2. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY Click here 3. REMOVE ECU INTEGRATION BOX RH (a) Disconnect each connector. (b) Disengage the 2 clamps.
(c) Remove the nut, bolt and ECU integration box RH. 4. REMOVE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) (a) Disengage the 2 claws and remove the central gateway ECU (network gateway ECU) as shown in the illustration.
NOTICE:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Hv Model Without Cornering Light): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Lighting System (for HV Model without Cornering Light) DTC No. Detection Item DTC Output from Link B1244 Light Sensor Circuit Main body ECU (multiplex network body ECU) B124B Automatic High Beam System Main body ECU (multiplex network body ECU) B124C Automatic High Beam ...