FREEZE FRAME DATA DESCRIPTION The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was moving or stationary, whether the engine was warmed up or not, whether the air fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction. HINT:
LIST OF FREEZE FRAME DATA Powertrain > Engine
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Steering System(for Hv Model): Error in Matching of ECUs (C1567)
DESCRIPTION The power steering ECU (rack and pinion power steering gear assembly) determines whether an incompatible hybrid vehicle control ECU, main body ECU (multiplex network body ECU) or skid control ECU (brake booster with master cylinder assembly) is installed based on the identification infor ...