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 | - |
READ NEXT:
Fail-safe Chart
FAIL-SAFE CHART Automatic Cancel Control (a) When the vehicle is being driven in constant speed control mode and any of the following malfunctions occur, control of vehicle speed by the dynamic cruise
Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is f
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Dynamic Radar Cruise Control System DTC No. Detection Item MIL DTC Output from Link P057113 Brake Switch "A" Circuit Open Does not come on ECM
SEE MORE:
Before Starting Adjustment
BEFORE STARTING ADJUSTMENT CAUTION / NOTICE / HINT NOTICE: When replacing the windshield glass of a vehicle equipped with a forward recognition camera, make sure to use a Lexus genuine part. If a non-Lexus genuine part is used, the forward recognition camera may not be able to be installed due to a
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here PROCEDURE 1. INSTALL NO. 3 EXHAUST MANIFOLD HEAT INSULATOR (a) Type A: (1) Install the No. 3 exhaus
