Freeze Frame PID Data Access Procedure
- Connect the M-MDS to the DLC-2.
- After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
- When using the IDS (laptop PC)
- Select "Self Test".
- Select "Modules".
- Select "PCM".
- When using the PDS (Pocket PC)
- Select "Module Tests".
- Select "PCM".
- Select "Self Test".
- When using the IDS (laptop PC)
- Then, select the "Retrieve CMDTCs" and perform procedures according to directions on the M-MDS screen.
- Retrieve the freeze frame PID data according to the directions on the M-MDS screen.
NOTE:
- Freeze frame data appears at the top of the help screen when the displayed DTC is selected.
- The freeze frame data consists of data for vehicle and engine control system operation conditions when malfunctions in the engine control system are detected and stored in the PCM.
- There are modes 2 and 12 in the freeze frame data.
Freeze frame data (mode 2)
- Freeze frame data is stored at the instant the malfunction indicator lamp illuminates, and only a part of the DTC data is stored.
- For the freeze frame data, if there are several malfunctions in the engine control system, the data for the malfunction which occurred initially is stored. Thereafter, if a misfire or fuel injection control malfunction occurs, data from the misfire or fuel injection control malfunction is written over the initially stored data. However, if the initially stored freeze frame data is a misfire or fuel injection control malfunction, it is not overwritten.
Freeze frame data (mode 12)
- The data for DTCs currently detected is stored.
- The DTC recording timing differs depending on the number of DTC drive cycles.
- For a DTC with a drive cycle number 1, only the malfunction determination data is recorded.
- For a DTC with a drive cycle number 2, both the malfunction determination and undetermined data is recorded.
Freeze frame data table (mode 2, mode 12) table
NOTE:
- Refer to PID monitor table for confirm the engine control system operation status while the PCM does not store the DTC. (See PCM INSPECTION ).
- Freeze frame data items are not displayed, according to detected DTC.
FREEZE FRAME DATA TABLE (MODE 2, MODE 12)
| Freeze frame data item | Unit | Description | Corresponding PID data monitor item |
|---|---|---|---|
| FUELSYS1 | Open Loop/Closed Loop/OL-Drive/OL-Fault/CL-Fault | Fuel system status | FUELSYS |
| LOAD | % | Engine load | - |
| ECT | °C | Engine coolant temperature | ECT |
| SFT1 | % | Short term fuel trim | SHRTFT1 |
| LFT1 | % | Long term fuel trim | LONGFT1 |
| RPM | RPM | Engine speed | RPM |
| VS | KPH | Vehicle speed | VSS |
| SPARKADV | ° | Ignition timing | SPARK-L |
| IAT | °C | Intake air temperature | IAT |
| MAF | g/sec | Mass airflow | MAF |
| TP | % | Throttle valve position NO. 1 | TP1 |
| SAIR_COM | UPS/DNS/Off | Secondary air control status | - |
| O2S12 | V | HO2S voltage | O2S12 |
| RUNTM | hh:mm:ss | Time from engine start | - |
| EVAPPCT | % | Purge solenoid valve controlled value | EVAPCP |
| FLI | % | Remaining fuel amount | FLI |
| WARMUPS | - | Number of warm-up cycles after DTC cleared | - |
| CLRDIST | Km | Mileage after DTC cleared | - |
| BARO | kPa | Barometric pressure | BARO |
| CATTEMP11 | °C | Estimated catalytic converter temperature | CATT11_DSD |
| VPWR | V | Module supply voltage | VPWR |
| ALV | % | Engine load | LOAD |
| TP_REL | % | Relative throttle position | TPREL |
| AAT | °C | Ambient air temperature | - |
| TP_B | % | Throttle valve position NO. 2 | TP2 |
| APP_D | % | Accelerator pedal position NO. 1 | APP1 |
| APP_E | % | Accelerator pedal position NO. 2 | APP2 |
| TAC_PCT | % | Target throttle valve position | ETC_DSD |