Lexus NX: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
(a) The absorber control ECU stores the vehicle condition when a DTC is output, and this information can be displayed using the Techstream.
(b) Freeze frame data when a DTC is output.
(1) When a DTC is output, the freeze frame data at the time the DTC is output is stored.
(2) When freeze frame data is stored when a DTC is output, the data is not updated or deleted until DTCs are cleared.
CHECK FREEZE FRAME DATA
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Air suspension / Trouble Codes.
Chassis > Air suspension > Trouble Codes(f) Select a DTC to display the freeze frame data.
(g) Check the freeze frame data for the output DTC.
Chassis > Air suspension| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| (Up&Down)G Sensor FR | Front acceleration sensor RH (up and down) | Min.: -1045.29 m/s2 Max.: 1045.26 m/s2 | -0.98 to 0.98 m/s2 when stationary | The value changes when the vehicle (front RH) is bounced. |
| (Up&Down)G Sensor FL | Front acceleration sensor LH (up and down) | Min.: -1045.29 m/s2 Max.: 1045.26 m/s2 | -0.98 to 0.98 m/s2 when stationary | The value changes when the vehicle (front LH) is bounced. |
| (Up&Down)G Sensor Rear | Rear acceleration sensor (up and down) | Min.: -1045.29 m/s2 Max.: 1045.26 m/s2 | -0.98 to 0.98 m/s2 when stationary | The value changes when the vehicle (rear) is bounced. |
| IG Power Source Voltage | ECU power supply voltage | Min.: 0.0 V Max.: 25.5 V | 11 to 14 V (Actual ECU power supply voltage): Power switch on (IG) | - |
| G Sensor Voltage | G sensor power supply voltage | Min.: 0.0 V Max.: 25.5 V | 4.8 to 5.2 V | - |
| ECU Substrate Temperature | Current ECU substrate temperature | Min.: 40°C Max.: 120°C | Displays current ECU substrate temperature | - |
| FR Solenoid Aim Electric Current Level for Control | Target solenoid current value (front wheel RH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| FL Solenoid Aim Electric Current Level for Control | Target solenoid current value (front wheel LH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| RR Solenoid Aim Electric Current Level for Control | Target solenoid current value (rear wheel RH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| RL Solenoid Aim Electric Current Level for Control | Target solenoid current value (rear wheel LH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| FR Solenoid Electric Current | Solenoid current value (front wheel RH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| FL Solenoid Electric Current | Solenoid current value (front wheel LH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| RR Solenoid Electric Current | Solenoid current value (rear wheel RH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| RL Solenoid Electric Current | Solenoid current value (rear wheel LH) | Min.: 0 mA Max.: 2040 mA | Changes depending on step count | - |
| Number of Trouble Codes | Number of DTCs stored | Min.: 0 Max.: 255 | 0 | - |
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