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 Service & Repair Manual > Intuitive Parking Assist System(for Gasoline Model): CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION If DTC U1000 is stored frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again even if the DTC is not output when rechecking for DTCs. DTC No. Detection Item DTC Detection Condition Trouble Area U1000 CAN Communication Failure (Message Regis ...