Lexus NX: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
HINT:
- If a DTC is output, the freeze frame data is recorded when the DTC occurs.
- If freeze frame data is recorded when a DTC occurs, the freeze frame data is not cleared or updated until the recorded DTC is cleared.
(a) Using the Techstream, the condition of the vehicle (sensors) when the system is operating or when the malfunction DTC was recorded can be checked.
Chassis > Electric Parking Brake| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| ECU-EEPROM | Parking brake ECU assembly internal EEPROM malfunction details are displayed | OK or NG | OK | Parking brake ECU assembly may have a malfunction. |
| ECU-Output Circuit | Parking brake ECU assembly internal output circuit malfunction details are displayed | OK or NG | OK | Parking brake ECU assembly may have a malfunction. |
| Actuator Clutch Malfunction | Parking brake actuator clutch malfunction details are displayed | OK or NG | - | This item is displayed on the Techstream but is not used |
| Deceleration Sensor Output | Deceleration sensor (airbag ECU assembly) output malfunction details are displayed | OK or NG | OK | Deceleration sensor (airbag ECU assembly) may have a malfunction |
| Deceleration Sensor Comparison | Deceleration sensor (airbag ECU assembly) comparison malfunction details are displayed | OK or NG | OK | Deceleration sensor (airbag ECU assembly) may have a malfunction |
| Deceleration Sensor | Deceleration sensor (airbag ECU assembly) stuck malfunction details are displayed | OK or NG | OK | Deceleration sensor (airbag ECU assembly) may have a malfunction |
| Invalid Low PWR Supply Voltage | Power source voltage invalid details are displayed | Enable or Disable | - | - |
| Invalid Deceleration Flg | Deceleration sensor (airbag ECU assembly) status is displayed | Enable or Disable | - | - |
| Invalid Vehicle Speed | Estimated vehicle speed status is displayed | Enable or Disable | - | - |
| Invalid Brake Communication | Skid control ECU (brake booster with master cylinder assembly) communication invalid details are displayed | Enable or Disable | - | - |
| Invalid Deceleration Commu | Deceleration sensor (airbag ECU assembly) communication invalid details are displayed | Enable or Disable | - | - |
| Invalid ECT Communication | ECM communication invalid details are displayed | Enable or Disable | - | This item is displayed on the Techstream but is not used |
| Invalid HV Communication | Hybrid vehicle control ECU communication invalid details are displayed | Enable or Disable | - | - |
| Invalid ACN Communication | Air conditioning amplifier assembly communication invalid details are displayed | Enable or Disable | - | - |
| Invalid J/B Communication | Main body ECU (Multiplex network body ECU) communication invalid details are displayed | Enable or Disable | - | - |
| P Position | Details of shift lever position information input are displayed | ON or OFF | ON: Shift lever is in P OFF: Shift lever is not in P | - |
| R Position | Details of shift lever position information input are displayed | ON or OFF | ON: Shift lever is in R OFF: Shift lever is not in R | - |
| N Position | Details of shift lever position information input are displayed | ON or OFF | ON: Shift lever is in N OFF: Shift lever is not in N | - |
| D Position | Details of shift lever position information input are displayed | ON or OFF | ON: Shift lever is in D or S OFF: Shift lever is not in D or S | - |
| Brake Hold Mode | Brake hold control status is displayed | OFF, Hold, Release or EPB | OFF: Brake hold control is not operating Hold: Brake hold control is operating Release: Brake hold control is released EPB: Parking brake is locked during brake hold control | HINT: EPB stands for electric parking brake. |
| EPB Lock On Request | Details of electric parking brake lock request information are displayed | ON or OFF | ON: Request is made OFF: No request is made | HINT: EPB stands for electric parking brake. |
| Brake Hold Ready | Brake hold request information is displayed | ON or OFF | ON: Request is made OFF: No request is made | - |
| Lock1 Switch | Lock switch 1 input information is displayed | OFF, ON, OPEN, SHORT or UNKNOWN | ON: Lock switch on OFF: Lock switch off | - |
| Lock2 Switch | Lock switch 2 input information is displayed | OFF, ON, OPEN or SHORT | ON: Lock switch on OFF: Lock switch off | - |
| Release Switch1 | Release switch 1 input information is displayed | OFF, ON, OPEN or SHORT | ON: Release switch on OFF: Release switch off | - |
| Release Switch2 | Release switch 2 input information is displayed | OFF, ON, OPEN or SHORT | ON: Release switch on OFF: Release switch off | - |
| IG Voltage Status | IG power source input information is displayed | ON or OFF | ON: IG power source input to parking brake ECU assembly OFF: IG power source not input to parking brake ECU assembly | - |
| IG Status | Power switch status is displayed | ON or OFF | ON: Power switch on (IG) OFF: Power switch off, on (ACC) | - |
| Pull Up | Pull up resistance change input information is displayed | ON or OFF | - | - |
| Automatic Mode | Auto (shift-linked) mode status is displayed | ON or OFF | ON: AUTO (shift-linked) mode OFF: Manual mode | - |
| ECU Malfunction(IC: RH Actuator) | Parking brake ECU assembly internal malfunction (parking brake actuator assembly RH drive IC system) details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| ECU Malfunction(IC: LH Actuator) | Parking brake ECU assembly internal malfunction (parking brake actuator assembly LH drive IC system) details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| ECU Malfunction(Battery Reverse Connection) | Parking brake ECU assembly malfunction (auxiliary battery reverse connection prevention) details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| RH Actuator Malfunction(High Current) | Parking brake motor RH (parking brake actuator assembly RH) overcurrent malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| RH Actuator Malfunction(Lock) | Parking brake actuator assembly RH lock detection malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| RH Actuator Malfunction(Spin) | Parking brake actuator assembly RH spinning malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| RH Actuator Motor Malfunction(Open/Short) | Parking brake motor RH (parking brake actuator assembly RH) open circuit or short circuit malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| RH Actuator Motor Current Monitor Circuit Malfunction | Parking brake motor RH (parking brake actuator assembly RH) current monitor circuit malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| RH Actuator Motor +B Open | Parking brake motor RH (parking brake actuator assembly RH) +B circuit open circuit malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| LH Actuator Malfunction(High Current) | Parking brake motor LH (parking brake actuator assembly LH) overcurrent malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| LH Actuator Malfunction(Lock) | Parking brake actuator assembly LH lock detection malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| LH Actuator Malfunction(Spin) | Parking brake actuator assembly LH spinning malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| LH Actuator Motor Malfunction(Open/Short) | Parking brake motor LH (parking brake actuator assembly LH) open circuit or short circuit malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| LH Actuator Motor Current Monitor Circuit Malfunction | Parking brake motor LH (parking brake actuator assembly LH) current monitor circuit malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| LH Actuator Motor +B Open | Parking brake motor LH (parking brake actuator assembly LH) +B circuit open circuit malfunction details are displayed | Detected Malfunction or No Detected Malfunction | No Detected Malfunction | - |
| RH Actuator Motor Current Monitor Circuit Status1 | Parking brake motor RH (parking brake actuator assembly RH) current monitor 1 invalid details are displayed | Available or Not Available | Available | - |
| RH Actuator Motor Current Monitor Circuit Status2 | Parking brake motor RH (parking brake actuator assembly RH) current monitor 2 invalid details are displayed | Available or Not Available | Available | - |
| RH Actuator Motor Current Monitor Circuit Comparison Status | Parking brake motor RH (parking brake actuator assembly RH) current monitor comparison invalid details are displayed | Available or Not Available | Available | - |
| LH Actuator Motor Current Monitor Circuit Status1 | Parking brake motor LH (parking brake actuator assembly LH) current monitor 1 invalid details are displayed | Available or Not Available | Available | - |
| LH Actuator Motor Current Monitor Circuit Status2 | Parking brake motor LH (parking brake actuator assembly LH) current monitor 2 invalid details are displayed | Available or Not Available | Available | - |
| LH Actuator Motor Current Monitor Circuit Comparison Status | Parking brake motor LH (parking brake actuator assembly LH) current monitor comparison invalid details are displayed | Available or Not Available | Available | - |
| Communication Status with AVN | Communication with navigation system status details are displayed | Available or Not Available | Available | - |
| Communication Status with Stop&Start | Communication with engine stop and start ECU status details are displayed | Available or Not Available | - | This item is displayed on the Techstream but is not used |
| RH Motor +B Voltage | Parking brake motor RH (parking brake actuator assembly RH) +B voltage details are displayed | Lo, Mid, Error or Hi | Hi | - |
| LH Motor +B Voltage | Parking brake motor LH (parking brake actuator assembly LH) +B voltage details are displayed | Lo, Mid, Error or Hi | Hi | - |
| RH Actuator Motor Current High | Parking brake motor RH (parking brake actuator assembly RH) overcurrent details are displayed | ON or OFF | OFF | - |
| RH Actuator Motor IC High Temperature | Parking brake motor RH (parking brake actuator assembly RH) drive IC overheat condition details are displayed | ON or OFF | OFF | - |
| LH Actuator Motor Current High | Parking brake motor LH (parking brake actuator assembly LH) overcurrent details are displayed | ON or OFF | OFF | - |
| LH Actuator Motor IC High Temperature | Parking brake motor LH (parking brake actuator assembly LH) drive IC overheat condition details are displayed | ON or OFF | OFF | - |
| RH Actuator Motor Relay1 | Parking brake motor relay 1 RH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| RH Actuator Motor Relay2 | Parking brake motor relay 2 RH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| RH Actuator Motor Relay3 | Parking brake motor relay 3 RH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| RH Actuator Motor Relay4 | Parking brake motor relay 4 RH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| LH Actuator Motor Relay1 | Parking brake motor relay 1 LH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| LH Actuator Motor Relay2 | Parking brake motor relay 2 LH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| LH Actuator Motor Relay3 | Parking brake motor relay 3 LH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| LH Actuator Motor Relay4 | Parking brake motor relay 4 LH condition details are displayed | ON or OFF | ON: Relay on OFF: Relay off | - |
| RH Actuator Status | Parking brake actuator assembly RH condition details are displayed | Default, Lock Standby, Lock, Lock Dynamic, Release Standby, Release, Lock Faulty, Unexpected, Lock Dynamic Standby, Release Dynamic Standby, Lock Dynamic Faulty, Lock1, Lock2, Lock3, Lock4, Lock5, Lock6, Lock7, Release1, Release2 or Release3 | - | - |
| RH Actuator Nut Stroke | Parking brake actuator assembly RH nut stroke value is displayed | 0.000 to 8.160 mm (0.000 to 0.321 in.) | - | - |
| RH Actuator Motor Voltage | Parking brake motor RH (parking brake actuator assembly RH) voltage details are displayed | 0.00 to 20.00 V | - | - |
| RH Actuator Motor +Terminal Voltage | Parking brake motor RH (parking brake actuator assembly RH) positive (+) terminal side voltage details are displayed | 0.00 to 20.00 V | - | - |
| RH Actuator Motor -Terminal Voltage | Parking brake motor RH (parking brake actuator assembly RH) negative (-) terminal side voltage details are displayed | 0.00 to 20.00 V | - | - |
| RH Actuator Motor Target Current | Parking brake motor RH (parking brake actuator assembly RH) target current value is displayed | -5.0362 to 50.5000 A | - | - |
| RH Actuator Motor Actual Current1 | Parking brake motor RH (parking brake actuator assembly RH) current value 1 is displayed | -5.0362 to 50.5000 A | - | - |
| RH Actuator Motor Actual Current2 | Parking brake motor RH (parking brake actuator assembly RH) current value 2 is displayed | -5.0362 to 50.5000 A | - | - |
| RH Actuator Motor Gradient Current1 | Parking brake motor RH (parking brake actuator assembly RH) current gradient 1 is displayed | -5.0362 to 50.5000 A | - | - |
| RH Actuator Motor Gradient Current2 | Parking brake motor RH (parking brake actuator assembly RH) current gradient 2 is displayed | -5.0362 to 50.5000 A | - | - |
| RH Actuator Motor Adjustment Current1 | Parking brake motor RH (parking brake actuator assembly RH) current calibration value 1 is displayed | -6.9690 to 6.9140 A | - | - |
| RH Actuator Motor Adjustment Current2 | Parking brake motor RH (parking brake actuator assembly RH) current calibration value 2 is displayed | -6.9690 to 6.9140 A | - | - |
| RH Actuator 0 load Current1 | Parking brake actuator assembly RH current value 1 with no load is displayed | -5.0362 to 50.5000 A | - | - |
| RH Actuator 0 load Current2 | Parking brake actuator assembly RH current value 2 with no load is displayed | -5.0362 to 50.5000 A | - | - |
| RH Actuator Protection Circuit Voltage (Battery Reverse Connection) | Parking brake actuator assembly RH reverse connection protection circuit voltage details are displayed | 0.0000 to 5.0000 V | - | - |
| LH Actuator Status | Parking brake actuator assembly LH condition details are displayed | Default, Lock Standby, Lock, Lock Dynamic, Release Standby, Release, Lock Faulty, Unexpected, Lock Dynamic Standby, Release Dynamic Standby, Lock Dynamic Faulty, Lock1, Lock2, Lock3, Lock4, Lock5, Lock6, Lock7, Release1, Release2 or Release3 | - | - |
| LH Actuator Nut Stroke | Parking brake actuator assembly LH nut stroke value is displayed | 0.000 to 8.160 mm (0.000 to 0.321 in.) | - | - |
| LH Actuator Motor Voltage | Parking brake motor LH (parking brake actuator assembly LH) voltage details are displayed | 0.00 to 20.00 V | - | - |
| LH Actuator Motor +Terminal Voltage | Parking brake motor LH (parking brake actuator assembly LH) positive (+) terminal side voltage details are displayed | 0.00 to 20.00 V | - | - |
| LH Actuator Motor -Terminal Voltage | Parking brake motor LH (parking brake actuator assembly LH) negative (-) terminal side voltage details are displayed | 0.00 to 20.00 V | - | - |
| LH Actuator Motor Target Current | Parking brake motor LH (parking brake actuator assembly LH) target current value is displayed | -5.0362 to 50.5000 A | - | - |
| LH Actuator Motor Actual Current1 | Parking brake motor LH (parking brake actuator assembly LH) current value 1 is displayed | -5.0362 to 50.5000 A | - | - |
| LH Actuator Motor Actual Current2 | Parking brake motor LH (parking brake actuator assembly LH) current value 2 is displayed | -5.0362 to 50.5000 A | - | - |
| LH Actuator Motor Gradient Current1 | parking brake motor LH (parking brake actuator assembly LH) current gradient 1 is displayed | -5.0362 to 50.5000 A | - | - |
| LH Actuator Motor Gradient Current2 | Parking brake motor LH (parking brake actuator assembly LH) current gradient 2 is displayed | -5.0362 to 50.5000 A | - | - |
| LH Actuator Motor Adjustment Current1 | Parking brake motor LH (parking brake actuator assembly LH) current calibration value 1 is displayed | -6.9690 to 6.9140 A | - | - |
| LH Actuator Motor Adjustment Current2 | Parking brake motor LH (parking brake actuator assembly LH) current calibration value 2 is displayed | -6.9690 to 6.9140 A | - | - |
| LH Actuator 0 load Current1 | Parking brake actuator assembly LH current value 1 with no load is displayed | -5.0362 to 50.5000 A | - | - |
| LH Actuator 0 load Current2 | Parking brake actuator assembly LH current value 2 with no load is displayed | -5.0362 to 50.5000 A | - | - |
| LH Actuator Protection Circuit Voltage (Battery Reverse Connection) | Parking brake actuator assembly LH reverse connection protection circuit voltage details are displayed | 0.0000 to 5.0000 V | - | - |
| Estimated Brake Rotor Temperature | Rear disc estimated temperature details are displayed | -48.00 to 607.35°C (-54.4 to 1125.2°F) | - | - |
READ NEXT:
Fail-safe Chart
FAIL-SAFE CHART DTC Trouble Area Brake Warning Light / Yellow (Minor Malfunction) Parking Brake Indicator Light (Red) Fail-safe Deactivation Condition C1245 Deceleration sensor data m
Data List / Active Test
DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART ELECTRIC PARKING BRAKE SYSTEM DTC No. Detection Item Memory Note Link C1245 Deceleration Sensor Yes An electric parking brake system malfunction is d
SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the I20 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description C
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use this procedure to troubleshoot the theft deterrent system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer to confirm the trouble. Click here
