Innova SDS43 SDS-Inspector: Freeze Frame Data

Purpose

To explain how to view your Freeze Frame Data using the Innova SDS43 SDS-Inspector Tablet Scan Tool.

Introduction

Freeze Frame (FF) Data is a single snapshot of critical engine operating conditions; it is usually stored with the first Diagnostic Trouble Code (DTC) that the computer system identified as the reason for the malfunction. The FF data feature displays a list of Parameter Identifiers (PIDs) such as engine revolution per minute (RPM), vehicle speed, coolant temperature, intake air temperature, fuel pressure, and throttle position, which can help identify the root cause of a vehicle system problem or fault. Mechanics can use this information to diagnose and troubleshoot vehicle systems and components problems. It is essential to read the FF Data as soon as possible because FF from the first DTC may be overwritten by FF from a later DTC if that DTC has a higher priority, and you will lose the older data.

The Innova SDS 43 SDS-Inspector can access a comprehensive view of the vehicle's conditions during a malfunction with the Freeze Frame Data.

Procedure

Step 1 - Connect Innova SDS43 SDS-Inspector Tablet Scan Tool to the vehicle and select 'OBD2 Diagnostics' function

  • First, connect the Innova SDS43 SDS-Inspector Tablet Scan Tool to your vehicle via the Diagnostic Link Connector (DLC) to retrieve the vehicle's information, such as VIN and On-Board Diagnostic (OBD2) information.
  • There are two options to access 'OBD2 Diagnostics':
    • Option 1 (AutoLink function is OFF): From the Home Screen, select 'OBD2 Diagnostics' section and press the OK button.
    • Option 2 (AutoLink function is ON): From the 'OBD2 Control Display' screen, press 'Home' button, after that select the 'OBD2 Diagnostics' section.

Step 2 – Check the Malfunction Indicator Lamp (MIL) DTC and Freeze Frame Data

  • The ‘Check Engine’ icon indicates a problem with emissions and is the main reason why the vehicle will fail an emissions inspection. The fault code that triggers the MIL and its recording conditions (Freeze Frame Data) are crucial for the repair process.
  • Select the 'Freeze Frame - $02' item to view Freeze Frame Data.

Step 3 - View the result

  • The data results will be shown in the SDS43 SDS-Inspector Tablet Scan Tool as the image.
  • Freeze Frame Data eliminates guesswork and provides a clear and accurate picture of the vehicle's condition, reducing the risk of misdiagnosis and unnecessary repairs. Each Freeze Frame Parameter in generic OBD2 has its own significance in quickly identifying the source of faults. Examples:
    • Engine Coolant Temperature (ECT) gives a reading of the temperature of the engine’s coolant
    • Manifold Absolute Pressure (MAP) gives the pressure inside the intake manifold of an internal combustion engine
    • Calculated Load (Calc Load ) is a percentage value based on airflow and engine speed.
    • Etc
  • Freeze Frame Data enables cost-effective repairs by providing accurate and efficient diagnoses, thus avoiding excessive parts replacements or labor expenses.

Reference Video

Freeze Frame Data

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