MONITOR DESCRIPTION DTC P063051 is stored when the Vehicle Identification Number (VIN) is not stored in the ECM or the stored VIN is not accurate.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
CONFIRMATION DRIVING PATTERN HINT:
CAUTION / NOTICE / HINT HINT: Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred. PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Trouble Codes. (e) Read the DTCs. Powertrain > Engine > Trouble CodesNOTICE: If P063051 is output, the VIN must be written to the ECM using the Techstream. However, all DTCs are cleared automatically by the Techstream when the VIN is written. If DTCs other than P063051 are output, troubleshoot them first.
(a) Write the VIN. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Motor Electronics Coolant Pump "A" No Signal (P314A31)
DESCRIPTION Refer to the description for DTC P0C7396. Click here The inverter water pump assembly sends the inverter water pump speed (measured value) signal to the hybrid vehicle control ECU. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P314A31 Motor Electronics ...