Toyota Camry owners & service manuals

Toyota Camry (XV70): Freeze Frame Data

Toyota Camry Repair Manual XV70 (2018-2024) / Power Source, Network / 2gr-fks (battery / Charging) / Charging System / Freeze Frame Data

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:

  • If it is impossible to reproduce the symptoms even though a DTC is stored, confirm the freeze frame data.
  • Freeze frame data is available in long and short forms.

LIST OF FREEZE FRAME DATA

Powertrain > Engine

Tester Display

Battery Voltage

Alternator Output Duty Ratio

Alternator Voltage - Non Active Test

Voltage of Alternator

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     Fail-safe Chart

    FAIL-SAFE CHART If the following DTC is stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily. DTC No. Fail-safe Operation Fail-safe Deactivation Condition

     Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts.

     Diagnostic Trouble Code Chart

    DIAGNOSTIC TROUBLE CODE CHART Charging System DTC No. Detection Item Warning Indicate Memory Note Link P161A87 Lost Communication with Alternator Missing Message

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     Extension Module Malfunction 2 (B1556)

    DESCRIPTION These DTCs are stored when a malfunction occurs in the Navigation ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B1556 Extension Module Malfunction 2 When any of the following conditions is met: Internal power supply malfunction

     Communication Error from VSC to ECM Invalid Serial Data Received (P163081)

    DESCRIPTION The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. If an abnormal signal is detected, the ECM stores DTC P163081. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from P163081 Communic

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