DESCRIPTION The hybrid vehicle control ECU monitors the insulation monitoring circuit located in the battery voltage sensor and detects malfunctions.
CONFIRMATION DRIVING PATTERN HINT: After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure. Click here
PROCEDURE
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(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG) and wait for 70 seconds or more. NOTICE: Do not turn the power switch off until step 3 is complete. (c) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. (d) Check if DTCs are output. Powertrain > Hybrid Control > Trouble Codes
NOTICE: Do not turn the power switch off while performing this inspection. (a) With the vehicle and engine stopped, turn the power switch on (READY) with shift lever in P and wait for 70 seconds or more. (If the engine starts, wait until the engine stops.) (b) While depressing the brake pedal without depressing the accelerator pedal, move the shift lever to D and wait for 1 minute. (Step A) (c) Drive the vehicle 0.5 m (1.6 ft.) forward and perform step A. (d) Drive the vehicle another 0.5 m (1.6 ft.) forward and perform step A. Repeat this procedure 5 times (minimum total driving distance: 2 m (6.6 ft.)). (e) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. (f) Check if DTCs are output. Powertrain > Hybrid Control > Trouble Codes
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Network Gateway Ecu: Removal
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 Aft ...