Lexus NX: Electric Parking Brake System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Test Mode Procedure
- Problem Symptoms Table
- Dtc Check / Clear
- Freeze Frame Data
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Deceleration Sensor (C1245)
- Open Circuit in Power Source Circuit (C13A0,C13A5,C13B0)
- Short Circuit in Power Source Circuit (C13A1)
- Engine Switch/Power Switch Malfunction (C13A2)
- Open or Short Circuit in Lock Switch Circuit (C13A3,C13AB)
- Open or Short Circuit in Release Switch Circuit (C13A4,C13AC)
- Open or Short Circuit in Motor (C13A6)
- Actuator Malfunction (C13A7)
- Brake System Malfunction (C13A9)
- EPB High Temperature (C13AA)
- Open in +B Circuit (C13AD)
- System Information not Received (C13AE)
- Control Module Communication Bus OFF (U0073,U0124,U0129,U0293)
- Electric Parking Brake does not Operate
- Electric Parking Brake System AUTO Function Circuit
- Electric Parking Brake AUTO Indicator Light Circuit
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Precaution
PRECAUTION TROUBLESHOOTING PRECAUTIONS (a) When there is a malfunction with terminal contact points or a problem with the installation of a part, reconnecting the connectors or removal/installation of
Parts Location
PARTS LOCATION ILLUSTRATION *1 NO. 1 ENGINE ROOM RELAY BLOCK
EPB NO. 1 FUSE
EPB NO. 2 FUSE
HINT: EPB stands for Electric Parking Brake. *2 NO. 2 ENGINE ROOM RELAY BLOCK
ECU-B NO.
System Diagram
SYSTEM DIAGRAM
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Removal
REMOVAL PROCEDURE 1. DISABLE AUTOAWAY/RETURN FUNCTION (for Power Tilt and Power Telescopic Steering Column) (a) Disable the autoaway/return function by changing the customize parameter. Click here CAUTION: Record the current customize parameter setting (whether the autoaway/return function is enab
Open or Short Circuit in Back Camera Signal (C1622)
DESCRIPTION This DTC is stored if the parking assist ECU judges as a result of its self check that the signals or signal lines between the parking assist ECU and the rear television camera assembly are not normal. DTC No. Detection Item DTC Detection Condition Trouble Area C1622 Open
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