Lexus ES: Freeze Frame Data
FREEZE FRAME DATA
CHECK FREEZE FRAME DATA
HINT:
The ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Radar Cruise 1*1 or Radar Cruise 2*2 / Trouble Codes.
Powertrain > Radar Cruise1 > Trouble Codes Powertrain > Radar Cruise2 > Trouble Codes- *1: Output from the ECM
- *2: Output from the forward recognition camera
(e) Select the DTCs (with snow icon) for which freeze frame data is recorded.
NOTICE:
The operating conditions the moment a DTC is stored are recorded as freeze frame data. Furthermore, only the latest 3 DTCs can be stored by the forward recognition camera.
LIST OF FREEZE FRAME DATA
(a) Radar Cruise 1:
Powertrain > Radar Cruise1| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Cruise Vehicle Speed | Vehicle speed | Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) | Actual vehicle speed | - |
| Cruise Memory Vehicle Speed | Stored vehicle speed | Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) | Stored vehicle speed | - |
| Cruise Request Throttle Opening Angle | Cruise requested position | 0 to 124.99 deg | Changes depending on the conditions of the dynamic radar cruise control system | - |
| Cruise Target Acceleration | Target acceleration while in cruise control mode | -13.10 to 13.10 m/s2 | Current value displayed | - |
| Driving Support ECU Target Acceleration | - | - | - | Cannot be used |
| Cruise Request Driving Force | Cruise request torque signal | -10.00 to 9.92 kN | Changes depending on the conditions of the dynamic radar cruise control system | - |
| Cruise Request Driving Force Feedback Status | - | - | - | Cannot be used |
| Cruise Control Permission Condition | - | - | - | Cannot be used |
| Cruise Control Condition | - | - | - | Cannot be used |
| Cruise Main Switch Operation Condition | Cruise control main switch status | ON or OFF | ON: Cruise control main switch pushed OFF: Cruise control main switch not pushed | - |
| Accelerator Pedal | Condition of the accelerator pedal during cruising | ON or OFF | ON: Accelerator pedal depressed OFF: Accelerator pedal released | - |
| Cruise Brake Cancel Switch | Cruise control brake cancel condition | ON or OFF | ON: Brake pedal depressed OFF: Brake pedal released | - |
| Stop Light Switch Main-CPU | Stop light switch signal | ON or OFF | ON: Brake pedal depressed OFF: Brake pedal released | - |
| Stop Light Switch Sub-CPU | - | - | - | Cannot be used |
| Request Manual Cancel | - | - | - | Cannot be used |
| Request Automatic Cancel | - | - | - | Cannot be used |
| Cruise Brake Control Decision | Cruise brake control decision | ON or OFF | ON: Cruise brake activated OFF: Cruise brake deactivated | - |
| Cruise Brake Control Permission Condition | - | - | - | Cannot be used |
(b) Radar Cruise 2:
Powertrain > Radar Cruise2| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Total Distance Traveled | - | - | - | Cannot be used |
| Total Distance Traveled - Unit | - | - | - | Cannot be used |
| Cruise Control Mode | Cruise control mode signal | Vehicle-to-vehicle Distance Control (All Speed), Vehicle-to-vehicle Distance Control (Hi Speed) or Constant Speed Control | Vehicle-to-vehicle Distance Control (All Speed): Vehicle-to-vehicle distance control mode (w/ full-speed range following function) Vehicle-to-vehicle Distance Control (Hi Speed): Vehicle-to-vehicle distance control mode (w/o full-speed range following function) Constant Speed Control: Constant speed mode | - |
| Estimated Vehicle Acceleration | Estimated Vehicle Acceleration | Min.: -5.00 m/s2, Max.: 5.00 m/s2 | Current value displayed | - |
| Accelerator Pedal Idle | Accelerator pedal idle position signal | ON or OFF | ON: Accelerator pedal released OFF: Accelerator pedal depressed | - |
| Forward Vehicle Distance | Distance to preceding vehicle | Min.: 0 m, Max.: 255 m | Current value displayed | - |
| Forward Vehicle Relative Speed | Relative speed against preceding vehicle | -128 to 127 km/h | Current value displayed | - |
| Cruise Warning Request | Forward vehicle approach warning signal | ON or OFF | ON: Forward vehicle approaching OFF: Forward vehicle not approaching | - |
| Accelerator Over Ride | Accelerator pedal position signal during cruising | ON or OFF | ON: Accelerator over ride ON OFF: Accelerator over ride OFF | - |
| Front Radar Sensor High Temperature | Millimeter wave radar sensor assembly high temperature abnormality | Normal or High Temperature | Normal: Millimeter wave radar sensor assembly temperature is normal High Temperature: Millimeter wave radar sensor assembly temperature is high | - |
| Front Radar Sensor Low Voltage | Millimeter wave radar sensor assembly low voltage abnormality | Normal or Low Voltage | Normal: Millimeter wave radar sensor assembly voltage is normal Low Voltage: Millimeter wave radar sensor assembly voltage is low | - |
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