Toyota Yaris: Vehicle Stability Control System / Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
(a) Using the GTS, check the vehicle condition (ECU, sensor) when the brake system operates or a DTC is output.
CHECK FREEZE FRAME DATA WHEN DTC WAS STORED
HINT:
- Freeze frame data is stored when a DTC is output.
- Once freeze frame data is stored when a DTC is output, it is not updated or cleared until the DTC is cleared.
(a) Turn the ignition switch off.
(b) Connect the GTS to the DLC3 and turn the ignition switch to ON.
(c) Operate the GTS to enter the Trouble Codes.
Chassis > Brake > Trouble Codes(d) Select a DTC to display the freeze frame data.
(e) Check the freeze frame data for the output DTC.
Chassis > Brake| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Total Distance Traveled - Unit | Total Distance Traveled unit | km / mile | - | - |
| Total Distance Traveled | Total distance traveled | Min.: 0 Max.: 16777215 | - | - |
| FR Wheel Speed | Front wheel speed sensor RH reading | Min.: 0.0 km/h (0.0 mph) Max.: 6553.5 km/h (4072 mph) | Vehicle stopped: 0.0 km/h (0.0 mph) | When driving at constant speed: No large fluctuations |
| FL Wheel Speed | Front wheel speed sensor LH reading | Min.: 0.0 km/h (0.0 mph) Max.: 6553.5 km/h (4072 mph) | Vehicle stopped: 0.0 km/h (0.0 mph) | When driving at constant speed: No large fluctuations |
| RR Wheel Speed | Rear wheel speed sensor RH reading | Min.: 0.0 km/h (0.0 mph) Max.: 6553.5 km/h (4072 mph) | Vehicle stopped: 0.0 km/h (0.0 mph) | When driving at constant speed: No large fluctuations |
| RL Wheel Speed | Rear wheel speed sensor LH reading | Min.: 0.0 km/h (0.0 mph) Max.: 6553.5 km/h (4072 mph) | Vehicle stopped: 0.0 km/h (0.0 mph) | When driving at constant speed: No large fluctuations |
| Master Cylinder Sensor 1 | Master cylinder pressure sensor pressure (value detected by ECU) | Min.: -1.00 MPa Max.: 23.99 MPa | Brake pedal released: -1.00 to 0.00 MPa | Reading increases when brake pedal is depressed |
| Master Cylinder Sensor Temperature | Master cylinder pressure sensor temperature | Min.: -80°C Max.: 175°C | Displays temperature master cylinder pressure sensor | - |
| M/C Sensor Grade | Master cylinder pressure sensor change (value detected by ECU) | Min.: -30 MPa/s Max.: 225 MPa/s | Brake pedal released or pedal held at constant position: 0 MPa/s | When brake pedal is being operated: Changes in proportion with the pedal movement speed |
| Lateral G | Lateral G | Min.: -25.105 m/s2 Max.: 24.908 m/s2 | Turning right: -25.105 to 0.000 m/s2 Turning left: 0.000 to 24.908 m/s2 | During turning: Changes in proportion with lateral acceleration |
| Forward and Rearward G | Forward and rearward G | Min.: -25.105 m/s2 Max.: 24.908 m/s2 | During deceleration: -25.105 to 0.000 m/s2 During acceleration: 0.000 to 24.908 m/s2 | During acceleration/deceleration: Changes in proportion with acceleration |
| Yaw Rate Sensor Value | Yaw rate sensor | Min.: -128°/s Max.: 127°/s | Vehicle stopped: 0°/s Turning right: -128 to 0°/s Turning left: 0 to 127°/s | - |
| Steering Angle Value | Steering sensor | Min.: -3276.8° Max.: 3276.7° | Turning left: 0.0 to 3276.7° Turning right: -3276.8 to 0.0° | - |
| MT Voltage Value | ABS motor drive voltage value | Min.: 0.0 V Max.: 25.5 V | Ignition switch ON: 11.0 to 14.0 V | Changes in proportion to auxiliary battery voltage HINT: This is the voltage output (which supplies power to the ABS motor) from the skid control ECU (brake actuator assembly) to the ABS motor relay |
| Solenoid Power Supply Voltage | Solenoid power supply voltage value | Min.: 0.0 V Max.: 25.5 V | Ignition switch ON: 11.0 to 14.0 V | Changes in proportion to auxiliary battery voltage HINT: This is the voltage output (which supplies power to each solenoid) from the skid control ECU (brake actuator assembly) to the ABS solenoid relay |
| Engine Revolutions | Engine speed | Min.: 0 rpm Max.: 65535 rpm | Engine stopped: 0 rpm | When engine speed is constant: No large fluctuations |
| Accelerator Opening Angle % | Percentage of accelerator pedal opening angle | Min.: 0.0% Max.: 127.5% | Accelerator pedal released: 0.0% | During accelerator pedal operation: Changes in proportion with the pedal movement |
| Real Engine Torque | Powertrain drive-torque | Min.: -1024.000 Nm Max.: 1023.000 Nm | - | - |
| TRC(TRAC)/VSC OFF Mode | TRC/VSC off mode | Normal mode (TRC(TRAC) ON/VSC ON) / TRC(TRAC) OFF mode (TRC(TRAC) OFF/VSC ON) / VSC expert mode(VSC expert mode MID ON) / VSC OFF mode (TRC(TRAC) OFF/VSC OFF) | Normal mode (TRC(TRAC) ON/VSC ON): Normal mode TRC(TRAC) OFF mode (TRC(TRAC) OFF/VSC ON): TRC off mode VSC expert mode (VSC expert mode MID ON): When TRC and VSC are prohibited during SPORT mode or TRACK mode VSC OFF mode (TRC(TRAC) OFF/VSC OFF): VSC off mode | - |
| FR Target Oil Pressure | Front wheel RH target oil pressure | Min.: 0.0 MPa Max.: 20.0 MPa | - | Different according to target oil pressure of each wheel |
| FL Target Oil Pressure | Front wheel LH target oil pressure | Min.: 0.0 MPa Max.: 20.0 MPa | - | Different according to target oil pressure of each wheel |
| RR Target Oil Pressure | Rear wheel RH target oil pressure | Min.: 0.0 MPa Max.: 20.0 MPa | - | Different according to target oil pressure of each wheel |
| RL Target Oil Pressure | Rear wheel LH target oil pressure | Min.: 0.0 MPa Max.: 20.0 MPa | - | Different according to target oil pressure of each wheel |
| Vehicle Speed | Maximum wheel speed sensor reading | Min.: 0.0 km/h (0.0 mph) Max.: 6553.5 km/h (4072 mph) | Vehicle stopped: 0.0 km/h (0.0 mph) | When driving at constant speed: No large fluctuations |
| Vehicle Speed Grade | Vehicle acceleration | Min.: -25.105 m/s2 Max.: 24.908 m/s2 | Vehicle stopped: 0.000 m/s2 During deceleration: -25.105 to 0.000 m/s2 During acceleration: 0.000 to 24.908 m/s2 | During driving: Changes in proportion with vehicle acceleration/deceleration |
| Vehicle Stop Time from IG ON | Time vehicle stopped after ignition switch turned to ON | Min.: 0 s Max.: 1275 s | - | - |
| Travel Distance from IG ON | Driving time after ignition switch turned to ON | Min.: 0 s Max.: 1275 s | - | - |
| Stop Light SW | Stop light switch assembly (STP terminal input) | OFF / ON | OFF: Brake pedal released ON: Brake pedal depressed | HINT: The brake pedal state is determined using the voltage at terminal STP |
| Parking Brake SW | Parking brake switch | OFF / ON | OFF: Parking brake released ON: Parking brake applied | - |
| Stop Light Relay | Stop light switch assembly (STP2 terminal input) | OFF / ON | OFF: Stop light switch assembly (STP2 terminal input) OFF ON: Stop light switch assembly (STP2 terminal input) ON | HINT: The stop light state is determined using the voltage at terminal STP2 |
| Inspection Mode | Inspection mode | OFF / ON | OFF: Normal mode ON: Inspection mode | HINT: Refer to utility for details on how to enter inspection mode*1 |
| TRC(TRAC) Control | TRC control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| TRC(TRAC) Engine Control | TRC engine control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| TRC(TRAC) Brake Control | TRC brake control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| FR Wheel VSC Ctrl Status | Front wheel RH VSC control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| FL Wheel VSC Ctrl Status | Front wheel LH VSC control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| RR Wheel VSC Ctrl Status | Rear wheel RH VSC control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| RL Wheel VSC Ctrl Status | Rear wheel LH VSC control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| FR Wheel ABS Ctrl Status | Front wheel RH ABS control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| FL Wheel ABS Ctrl Status | Front wheel LH ABS control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| RR Wheel ABS Ctrl Status | Rear wheel RH ABS control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| RL Wheel ABS Ctrl Status | Rear wheel LH ABS control status | Out of controlling / Under Controlling | Out of controlling: During not control Under Controlling: During control | - |
| BA Ctrl Status | BA control status | OFF / ON | OFF: During not control ON: During control | - |
| PBA Ctrl Status | PBA control status | OFF / ON | OFF: During not control ON: During control | - |
| Stop Light Relay State for ECU Control | Stop light switch assembly (STPO terminal output) (value detected by ECU) | OFF / ON | OFF: Stop light switch assembly not operating ON: Stop light switch assembly operating | - |
| Engine Stop by Stop and Start System | Engine stopped by stop and start system status (value detected by ECU) | OFF / ON | OFF: Engine not stopped by stop and start control ON: Engine stopped by stop and start control | - |
| Solenoid State for ECU Control | ABS solenoid relay status (for ECU control) | OFF / ON | OFF: ABS solenoid relay not operating ON: ABS solenoid relay operating | - |
| Motor State for ECU Control | ABS motor relay status (for ECU control) | OFF / ON | OFF: ABS motor relay not operating ON: ABS motor relay operating | - |
| Dealer Mode | Dealer Mode (Signal Check mode or Calibration mode) status | OFF / ON | OFF: Normal mode ON: Dealer Mode (Signal Check mode or Calibration mode) | HINT:
|
| Zero Point Memory State of Steering Angle Sensor | Steering sensor zero point memorization status | Zero point is not memorized / Zero point is memorized | - | HINT: The steering sensor zero point is acquired when the vehicle is being driven in a straight line at a speed of 35 km/h (22 mph) or more for approximately 1 second |
| TRC(TRAC)/VSC OFF SW | VSC OFF switch (combination switch assembly) (CSW terminal input) | OFF / ON | OFF: VSC OFF switch (combination switch assembly) OFF ON: VSC OFF switch (combination switch assembly) ON | HINT: The VSC OFF switch (combination switch assembly) state is determined using the voltage at terminal CSW |
| IGP_PT1 | IGP_PT1 status | OFF / ON | OFF: IGP_PT1 OFF ON: IGP_PT1 ON | - |
| IGP_PT2 | IGP_PT2 status | OFF / ON | OFF: IGP_PT2 OFF ON: IGP_PT2 ON | - |
| FR Wheel | Rotatory direction for front wheel RH | Forward / Back | - | - |
| FL Wheel | Rotatory direction for front wheel LH | Forward / Back | - | - |
| RR Wheel | Rotatory direction for rear wheel RH | Forward / Back | - | - |
| RL Wheel | Rotatory direction for rear wheel LH | Forward / Back | - | - |
| FR Speed Open | Front speed sensor RH open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| FL Speed Open | Front speed sensor LH open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| RR Speed Open | Rear speed sensor RH open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| RL Speed Open | Rear speed sensor LH open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| EFI Communication Open | ECM communication open detection | Under intermittent / Normal | Under intermittent: ECM communication invalid state detected Normal: ECM communication invalid state not detected | - |
| Yaw Rate Open | Yaw rate sensor open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| Deceleration Open | Acceleration sensor open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| Steering Open | Steering sensor open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| Master Cylinder Open | Master cylinder pressure sensor open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| FR Speed Sensor Voltage Open | Front speed sensor RH voltage open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| FL Speed Sensor Voltage Open | Front speed sensor LH voltage open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| RR Speed Sensor Voltage Open | Rear speed sensor RH voltage open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| RL Speed Sensor Voltage Open | Rear speed sensor LH voltage open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| M/C Pressure Sensor Noise | Master cylinder pressure sensor noise detection | Under intermittent / Normal | Under intermittent: Noise detected Normal: Noise not detected | - |
| Yaw Rate Sensor Voltage Open | Yaw rate sensor voltage open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| EFI Communication Invalid | ECM communication invalid detection | Under intermittent / Normal | Under intermittent: ECM communication invalid state detected Normal: ECM communication invalid state not detected | - |
| Master Cylinder Pressure Sensor Power Supply Open | Master cylinder pressure sensor power supply voltage status | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| Solenoid Power Supply Open | Solenoid power supply voltage status | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| Motor Power Supply Open | Motor power supply voltage status | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| Stop Switch Open | Momentary interruption (open circuit) status in wire harness between skid control ECU (brake actuator assembly) and stop light switch assembly status | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| Air Bag ECU Communication Open | Airbag sensor assembly open detection | Under intermittent / Normal | Under intermittent: Momentary interruption detected Normal: Momentary interruption not detected | - |
| IGR Voltage | IGR terminal voltage value (value detected by ECU) | Min.: 0.0 V Max.: 25.5 V | Ignition switch ON: 10.5 to 16.0 V | - |
| +BS Voltage | +BS terminal voltage value (value detected by ECU) | Min.: 0.0 V Max.: 25.5 V | Ignition switch ON: 11.0 to 14.0 V | - |
| +BM Voltage | BM terminal voltage value (value detected by ECU) | Min.: 0.0 V Max.: 25.5 V | Ignition switch ON: 11.0 to 14.0 V | Changes in proportion to auxiliary battery voltage HINT: This is the voltage detected at terminal +BS (which supplies power to each solenoid) of the skid control ECU (brake actuator assembly) |
-
*1: for entering inspection mode: Click here
-
*2: for performing Dealer Mode (Signal Check): Click here
-
*3: for entering Dealer Mode (Calibration): Click here
CLEAR FREEZE FRAME DATA
NOTICE:
Clearing the DTC will also clear the Freeze Frame Data.
(a) Connect the GTS to the DLC3.
(b) Turn the ignition switch to ON.
(c) Clear the DTC and Freeze Frame Data.
Click here
Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK (a) Operate the GTS to read the DTCs. Chassis > Brake > Trouble Codes (b) Check the details of the DTCs. NOTICE:
Make sure to clear the DTCs after repair...
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE OPERATION
If there is a problem with sensor signals or actuator systems, the skid control ECU prohibits power supply to the brake actuator assembly and informs the ECM of an VSC system malfunction...
Other information:
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Break-In Period
No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.
Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.