Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
2Gr-Fe Engine Control System. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Sfi System -- 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 running or stopped, 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 replicate the problem even though a DTC is detected, confirm the freeze frame data.
The ECM records engine conditions in the form of freeze frame data every 0.5 seconds. Using the intelligent tester, five separate sets of freeze frame data, including the data values at the time when the DTC was set, can be checked.
- 3 data set before the DTC was set.
- 1 data set when the DTC was set.
- 1 data set after the DTC was set.
- These data sets can be used to simulate the condition of the vehicle around the time of the occurrence of the malfunction. The data may assist in identifying the cause of the malfunction, and in judging whether it was temporary or not.
| LIST OF FREEZE FRAME DATA |
| Label (Intelligent Tester Display) | Measurement Item/Range | Diagnostic Note |
| Trouble Code | Freeze DTC | - |
| Injector | Injector | - |
| IGN Advance | Ignition advance | - |
| Calculate Load | Calculate load | Calculated load by ECM |
| Vehicle Load | Vehicle load | - |
| MAF | Mass air flow volume | If value is approximately 0.0 g/s:
|
| Engine Speed | Engine speed | - |
| Vehicle Speed | Vehicle speed | Speed indicated on speedometer |
| Coolant Temp | Engine coolant temperature | If value is -40°C, sensor circuit open If value is 140°C, sensor circuit shorted |
| Intake Air | Intake air temperature | If value is -40°C, sensor circuit open If value is 140°C, sensor circuit shorted |
| Air-Fuel Ratio | Air-fuel ratio | - |
| Purge Density Learn Value | Learning value of purge density | - |
| Purge Flow | Purge flow | - |
| EVAP (Purge) VSV | EVAP purge VSV duty ratio | - |
| Knock Correct Learn Value | Correction learning value of knocking | - |
| Knock Feedback Value | Feedback value of knocking | - |
| Accelerator Position No. 1 | Absolute Accelerator Pedal Position (APP) No. 1 | - |
| Accelerator Position No. 2 | Absolute APP No. 2 | - |
| Throttle Position | Throttle position | Read value with ignition switch on (IG) (Do not start engine) |
| Throttle Sensor Position | Throttle sensor positioning | Read value with ignition switch on (IG) (Do not start engine) |
| Throttle Sensor Position #2 | Throttle sensor positioning #2 | - |
| Throttle Motor | Throttle actuator | - |
| O2S B1 S2 | Heated oxygen sensor output | Performing Control the Injection Volume or Control the Injection Volume for A/F Sensor function of Active Test enables technician to check output voltage of sensor |
| O2S B2 S2 | Heated oxygen sensor output | Performing Control the Injection Volume or Control the Injection Volume for A/F Sensor function of Active Test enables technician to check output voltage of sensor |
| AFS B1 S1 | A/F sensor output | Performing Control the Injection Volume or Control the Injection Volume for A/F Sensor function of Active Test enables technician to check output voltage of sensor |
| AFS B2 S1 | A/F sensor output | Performing Control the Injection Volume or Control the Injection Volume for A/F Sensor function of Active Test enables technician to check output voltage of sensor |
| AFS B2 S1 | A/F sensor output current | - |
| Total FT #1 | Total fuel trim | - |
| Total FT #2 | Total fuel trim | - |
| Short FT #1 | Short-term fuel trim | Short-term fuel compensation used to maintain air-fuel ratio at stoichiometric air-fuel ratio |
| Long FT #1 | Long-term fuel trim | Overall fuel compensation carried out in long-term to compensate for a continual deviation of short-term fuel trim from central valve |
| Short FT #2 | Short-term fuel trim | Short-term fuel compensation used to maintain air-fuel ratio at stoichiometric air-fuel ratio |
| Long FT #2 | Long-term fuel trim | Overall fuel compensation carried out in long-term to compensate for a continual deviation of short-term fuel trim from central valve |
| Fuel System Status (Bank 1) | Fuel system status (Bank 1) |
|
| Fuel System Status (Bank 2) | Fuel system status (Bank 2) |
|
| O2FT B1 S2 | Fuel trim at heated oxygen sensor | Same as Short FT #1 |
| O2FT B2 S2 | Fuel trim at heated oxygen sensor | Same as Short FT #1 |
| AF FT B1 S1 | Fuel trim at A/F sensor | - |
| AFS B1 S1 | A/F sensor output current | - |
| AF FT B2 S1 | Fuel trim at A/F sensor | - |
| Catalyst Temp (B1 S1) | Catalyst temperature | - |
| Catalyst Temp (B1 S2) | Catalyst temperature | - |
| Catalyst Temp (B2 S1) | Catalyst temperature | - |
| Catalyst Temp (B2 S2) | Catalyst temperature | - |
| Initial Engine Coolant Temp | Initial engine coolant temperature | - |
| Initial Intake Air Temp | Initial intake air temperature | - |
| Injection Volume (Cylinder 1) | Injection volume | - |
| Starter Signal | Starter signal | - |
| Power Steering Switch | Power steering signal | - |
| Power Steering Signal | Power steering signal (history) | Signal status usually ON until ignition switch turned off |
| ACC Relay | ACC relay | - |
| Starter Relay | Starter relay | - |
| Starter Signal | Starter signal | - |
| Closed Throttle Position SW | Closed throttle position switch | - |
| A/C Signal | A/C signal | - |
| Neutral Position SW Signal | PNP switch signal | - |
| Electrical Load Signal | Electrical load signal | - |
| Stop Light Switch | Stop light switch | - |
| Battery Voltage | Battery voltage | - |
| Atmosphere Pressure | Atmospheric pressure | - |
| Fuel Pump Speed Control | Fuel pump speed control status | - |
| ACIS VSV | ACIS VSV | - |
| VVT Control Status (Bank 2) | VVT control status (bank 2) | - |
| EVAP Purge VSV | VSV for EVAP | - |
| Fuel Pump/Speed Status | Fuel pump/speed status | - |
| VVT Control Status (Bank 1) | VVT control status (bank 1) | - |
| Electric Fan Motor | Electric fan motor | ON: Operating |
| AICV VSV | AICV VSV | - |
| TC and TE1 | TC and TE1 terminals of DLC3 | - |
| ACM | Active control mount VSV duty ratio | - |
| Engine Speed #1 | No. 1 cylinder speed | - |
| Engine Speed #2 | No. 2 cylinder speed | - |
| Engine Speed #3 | No. 3 cylinder speed | - |
| Engine Speed #4 | No. 4 cylinder speed | - |
| Engine Speed #5 | No. 5 cylinder speed | - |
| Engine Speed #6 | No. 6 cylinder speed | - |
| Engine Speed All | All cylinder speed | - |
| VVT Aim Angle (Bank 1) | VVT aim angle (bank 1) | - |
| VVT Change Angle (Bank 1) | VVT change angle (bank 1) | - |
| VVT OCV Duty (Bank 1) | VVT OCV operation duty (bank 1) | - |
| VVT Ex Hold Lrn Val | VVT exhaust hold duty ratio learning value (bank 1) | - |
| VVT Ex Chg Angle (Bank 1) | VV exhaust change angle (bank 1) | - |
| VVT Ex OCV Duty (Bank 1) | VVT exhaust OCV duty (bank 1) | - |
| VVT Aim Angle (Bank 2) | VVT aim angle (bank 2) | - |
| VVT Change Angle (Bank 2) | VVT change angle (bank 2) | - |
| VVT OCV Duty (Bank 2) | VVT OCV operation duty (bank 2) | - |
| VVT Ex Hold Lrn Val (Bank 2) | VVT exhaust hold duty ratio learning value (bank 2) | - |
| VVT Ex Chg Angle (Bank 2) | VVT exhaust change angle (bank 2) | - |
| VVT Ex OCV Duty (Bank 2) | VVT exhaust OCV duty (bank 2) | - |
| Idle Fuel Cut | Idle fuel cut | ON: when throttle valve fully closed and engine speed over 1500 rpm |
| FC TAU | FC TAU | Fuel cut being performed with a very light load to prevent incomplete engine combustion |
| Ignition | Ignition | - |
| Cylinder #1 Misfire Rate | Cylinder #1 misfire rate | Displayed only while idling |
| Cylinder #2 Misfire Rate | Cylinder #2 misfire rate | Displayed only while idling |
| Cylinder #3 Misfire Rate | Cylinder #3 misfire rate | Displayed only while idling |
| Cylinder #4 Misfire Rate | Cylinder #4 misfire rate | Displayed only while idling |
| Cylinder #5 Misfire Rate | Cylinder #5 misfire rate | Displayed only while idling |
| Cylinder #6 Misfire Rate | Cylinder #6 misfire rate | Displayed only while idling |
| All Cylinders Misfire Rate | All cylinders misfire rate | Displayed only while idling |
| Misfire RPM | Misfire RPM | - |
| Misfire Load | Misfire load | - |
| Misfire Margin | Misfire monitoring | - |
| Engine Run Time | Accumulated engine running time | - |
| Time after DTC Cleared | Cumulative time after DTC cleared | - |
| Distance from DTC Cleared | Accumulated distance after DTC cleared | - |
| Warmup Cycle Cleared | Warm-up cycle after DTC cleared | - |