FREEZE FRAME DATA
Using the GTS, check the vehicle condition (ECU, sensor) when the brake system operates or a DTC is output.
CHECK FREEZE FRAME DATA WHEN BRAKE SYSTEM OPERATES
Freeze frame data is stored when the brake system operates. The freeze frame data is updated each time the system operates.
Once freeze frame data is stored when the system operates, it is not cleared until the DTC is cleared.
The number of times (maximum: 31) the ignition switch has been turned from off to ON since the last time the system was activated can be stored and displayed.
When the vehicle is stopped (vehicle speed below 7 km/h (4.3 mph)), turning the ignition switch from off to ON does not cause the value to increase.
The value "31" is displayed when the ignition switch was turned ON more than 31 times.
Check freeze frame data when the system operates
Turn the ignition switch off.
Connect the GTS to the DLC3 and turn the ignition switch to ON.
Enter the following menus: Chassis / ABS/VSC/TRC / Utility.
Select "ABS History".
| Tester Display |
|---|
| ABS History |
Check the freeze frame data when the system operates.
CHECK FREEZE FRAME DATA WHEN DTC WAS STORED
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.
The number of times (maximum: 31) the ignition switch has been turned from off to ON since a DTC was output can be stored and displayed.
The value "31" is displayed when the ignition switch was turned ON more than 31 times.
Check freeze frame data when DTC is output
Turn the ignition switch off.
Connect the GTS to the DLC3 and turn the ignition switch to ON.
Enter the following menus: Chassis / ABS/VSC/TRC / Trouble Codes.
Select a DTC to display the freeze frame data.
Check the freeze frame data for the output DTC.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| FR Speed Open | Front speed sensor RH open detection | Error or Normal | Normal | Error: Momentary interruption |
| FL Speed Open | Front speed sensor LH open detection | Error or Normal | Normal | Error: Momentary interruption |
| RR Speed Open | Rear speed sensor RH open detection | Error or Normal | Normal | Error: Momentary interruption |
| RL Speed Open | Rear speed sensor LH open detection | Error or Normal | Normal | Error: Momentary interruption |
| EFI Communication Open | ECM communication open detection | Error or Normal | Normal | Error: Momentary interruption |
| Yaw Rate Open | Yaw rate sensor open detection | Error or Normal | Normal | Error: Momentary interruption |
| Deceleration Open | Acceleration sensor open detection | Error or Normal | Normal | Error: Momentary interruption |
| Steering Open | Steering angle sensor open detection | Error or Normal | Normal | Error: Momentary interruption |
| Master Cylinder Open | Master cylinder pressure sensor open detection | Error or Normal | Normal | Error: Momentary interruption |
| FR Speed Sensor Voltage Open | Front speed sensor RH voltage open detection | Error or Normal | Normal | Error: Momentary interruption |
| FL Speed Sensor Voltage Open | Front speed sensor LH voltage open detection | Error or Normal | Normal | Error: Momentary interruption |
| RR Speed Sensor Voltage Open | Rear speed sensor RH voltage open detection | Error or Normal | Normal | Error: Momentary interruption |
| RL Speed Sensor Voltage Open | Rear speed sensor LH voltage open detection | Error or Normal | Normal | Error: Momentary interruption |
| M/C Pressure Sensor Noise | Master cylinder pressure sensor noise detection | Error or Normal | Normal | Error: Momentary interruption |
| Yaw Rate Sensor Voltage Open | Yaw rate sensor voltage open detection | Error or Normal | Normal | Error: Momentary interruption |
| EFI Communication Invalid | ECM communication invalid detection | Error or Normal | Normal | Error: Invalid |
| Number of IG ON | Number of operations of ignition switch being turned to ON after storing Freeze Frame Data | 0 to 31 | - | - |
| Elapsed Time | Time elapsed after ignition switch turned ON | Min.: 0 sec Max.: 100661.76 sec |
- | - |
| Stop Light SW | Stop light switch assembly | ON or OFF | ON: Brake pedal depressed OFF: Brake pedal released |
- |
| Parking Brake SW | Parking brake switch | ON or OFF | ON: Parking brake applied OFF: Parking brake released |
- |
| Gear Position | Gear position information | Fail, 1st-7th, "P, N", 8th, R or Not R | Actual gear position | - |
| Shift Lever Position | Shift lever position information | Fail, 1st-5th, 6th/B, D/M, "P, N" or R | Actual shift lever position | - |
| Operated System | Operated system status | Non, ABS, VSC, TRC, BA, HAB, Fail, PBA, PB, HA-CTRL, TSC or Sys | Actual operated system | Non: No operation activated ABS: ABS activated VSC: VSC activated TRC: TRC activated BA: BA activated Fail: Fail safe mode activated HA-CTRL: Hill-start assist control activated TSC: Trailer sway control is activated Sys: System prohibit activated |
| M/C Sensor Grade | Master cylinder pressure sensor change | Min.: -30 MPa/s Max.: 225 MPa/s |
0 MPa/s: When brake pedal is released or pedal held at constant position | When brake pedal is being operated: Changes in proportion with pedal movement speed |
| Yaw Rate Sensor | Yaw rate sensor | Min.: -128°/s Max.: 127°/s |
0°/s: Vehicle stopped -128 to 0°/s: Turning right 0 to 127°/s: Turning left |
- |
| Lateral G | Lateral G | Min.: -25.10 m/s2 Max.: 24.90 m/s2 |
- | During turning: Changes in proportion with acceleration |
| Forward and Rearward G | Forward and backward G | Min.: -25.10 m/s2 Max.: 24.90 m/s2 |
- | During acceleration/deceleration: Changes in proportion with acceleration |
| FR Wheel Speed | FR wheel speed sensor reading | Min.: 0 km/h (0 mph) Max.: 326.4 km/h (202 mph) |
Vehicle stopped: 0 km/h (0 mph) | When driving at constant speed: No large fluctuations |
| FL Wheel Speed | FL wheel speed sensor reading | Min.: 0 km/h (0 mph) Max.: 326.4 km/h (202 mph) |
Vehicle stopped: 0 km/h (0 mph) | When driving at constant speed: No large fluctuations |
| RR Wheel Speed | RR wheel speed sensor reading | Min.: 0 km/h (0 mph) Max.: 326.4 km/h (202 mph) |
Vehicle stopped: 0 km/h (0 mph) | When driving at constant speed: No large fluctuations |
| RL Wheel Speed | RL wheel speed sensor reading | Min.: 0 km/h (0 mph) Max.: 326.4 km/h (202 mph) |
Vehicle stopped: 0 km/h (0 mph) | When driving at constant speed: No large fluctuations |
| Vehicle Speed | Maximum wheel speed sensor reading | Min.: 0 km/h (0 mph) Max.: 326.4 km/h (202 mph) |
Vehicle stopped: 0 km/h (0 mph) | When driving at constant speed: No large fluctuations |
| Vehicle Speed Grade | Vehicle acceleration | Min.: -25.10 m/s2 Max.: 24.90 m/s2 |
Vehicle stopped: 0 m/s2 |
During driving: Changes in proportion with vehicle acceleration/deceleration |
| Real Engine Torque | Real engine torque | Min.: -1024 Nm Max.: 1023 Nm |
- | - |
| Accelerator Opening Angle % | Percentage of accelerator pedal opening angle | Min.: 0% Max.: 127% |
Accelerator pedal released: 0% | During accelerator pedal operation: Changes in proportion with the pedal movement |
| BS1 Voltage Value | +BS voltage value | Min.: 0 V Max.: 20 V |
Ignition switch ON: 11 to 14 V | Changes in proportion to battery voltage |
| FR Target Oil Pressure | Front wheel RH target oil pressure | Min.: 0 MPa Max.: 20 MPa |
Different according to target oil pressure of each wheel | - |
| FL Target Oil Pressure | Front wheel LH target oil pressure | Min.: 0 MPa Max.: 20 MPa |
Different according to target oil pressure of each wheel | - |
| RR Target Oil Pressure | Rear wheel RH target oil pressure | Min.: 0 MPa Max.: 20 MPa |
Different according to target oil pressure of each wheel | - |
| RL Target Oil Pressure | Rear wheel LH target oil pressure | Min.: 0 MPa Max.: 20 MPa |
Different according to target oil pressure of each wheel | - |
| Inspection Mode | Inspection mode | Other or Inspect | Other: Normal mode Inspect: Inspection mode |
- |
| Steering Angle Sensor | Steering angle sensor | Min.: -3276.8° Max.: 3276.7° |
Turning left: Positive value increases Turning right: Negative value decreases |
- |
| TRC/VSC Off Mode | TRC/VSC off mode | Normal, TRC OFF or VSC OFF | Normal: Normal mode TRC OFF: TRC off mode VSC OFF: VSC off mode |
- |
| Master Cylinder Pressure | Master cylinder pressure sensor pressure | Min.: 0.00 MPa Max.: 23.28 MPa |
Proportional to pedal force: Pedal operated 0.00 MPa: Pedal released |
- |
| Master Cylinder Sensor Temperature | Master cylinder pressure sensor temperature | Min.: -80°C (-112°F) Max.: 175°C (347°F) |
- | - |
| Vehicle Stop Time from IG ON | Time vehicle stopped after ignition switch turned ON | Min.: 0 s Max.: 1275 s |
- | - |
| Travel Distance from IG ON | Driving time after ignition switch turned ON | Min.: 0 s Max.: 1275 s |
- | - |
| Engine Revolutions | Engine speed | Min.: 0 rpm Max.: 25500 rpm |
- | - |
| Motor Power Supply Voltage | Motor power supply voltage | Min.: 0 V Max.: 20 V |
Ignition switch ON: 11 to 14 V | Changes in proportion to battery voltage |
| Solenoid Power Supply Voltage | Solenoid power supply voltage | Min.: 0 V Max.: 20 V |
Ignition switch ON: 11 to 14 V | Changes in proportion to battery voltage |
| MT Voltage Value | Motor voltage value | Min.: 0 V Max.: 20 V |
- | Changes in proportion to battery voltage |
| Stop Light Relay State for ECU Control | Stop light control relay (STOP/CDS FAN Relay) status (for ECU control) | ON or OFF | OFF: Relay off ON: Relay on |
- |
| Engine Stop by Stop and Start System | Engine stopped by stop and start system status | ON or OFF | OFF: Engine not stopped by stop and start control ON: Engine stopped by stop and start control |
This item is displayed on the GTS but is not used |
| Solenoid State for ECU Control | Solenoid (for ECU control) status | ON or OFF | ON: Solenoid relay operating OFF: Solenoid relay not operating |
- |
| Motor State for ECU Control | Motor (for ECU control) status | ON or OFF | ON: Motor relay operating OFF: Motor relay not operating |
- |
| Operation History of IG OFF while Vehicle is moving | History of ignition switch turned off when vehicle is in motion | ON or OFF | ON: History of ignition switch turned off with vehicle speed 3 km/h (2 mph) or higher OFF: No history |
- |
| Master Cylinder Pressure Sensor Power Supply Open | Master cylinder pressure sensor power supply voltage status | Error or Normal | Normal | Error: Momentary interruption |
| Solenoid Power Supply Open | Solenoid power supply voltage status | Error or Normal | Normal | Error: Momentary interruption |
| Motor Power Supply Open | Motor power supply voltage status | Error or Normal | Normal | Error: Momentary interruption |
| Stop Switch Open | Momentary interruption (open circuit) status in the wire harness between the skid control ECU (brake actuator assembly) and the stop light switch assembly | Error or Normal | Normal | Error: Momentary interruption |
| IG Switch | Ignition switch status | ON or OFF | - | - |
| Elapsed Time after Freeze Trigger | Elapsed time after storing freeze frame data | Min.: 0 msec Max.: 1020 msec |
- | - |
CLEAR FREEZE FRAME DATA
Clearing the DTC will also clear the Freeze Frame Data.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Clear the DTC and Freeze Frame Data.