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
READ NEXT:
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
SEE MORE:
Open or Short Circuit in Release Switch Circuit (C13A4,C13AC)
DESCRIPTION When the electric parking brake switch (integration control and panel assembly) is pushed to the release side, a release request signal is output to the parking brake ECU assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13A4 Open or Sh
MIL Circuit
DESCRIPTION The Malfunction Indicator Lamp (MIL) is used to indicate vehicle malfunctions detected by the ECM. The MIL operation can be checked visually. When the power switch is turned on (IG), the MIL should be illuminated and should then turn off after the power switch on (READY). If the MIL rema
© 2016-2026 Copyright www.lexunx.com
