Lexus NX: Brake System (P1578)
DESCRIPTION
When a malfunction in the electronically controlled brake system is detected, DTC P1578 is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
P1578 | Brake System | When the power switch is on (IG) and the dynamic radar cruise control system is operating, a malfunction in the electronically controlled brake system is detected for 0.2 seconds or more. | Electronically controlled brake system | Hybrid vehicle control ECU |
PROCEDURE
1. | CHECK ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
(a) Check the electronically controlled brake system.
Click here
HINT:
If DTC P1578 is output by the dynamic radar cruise control system, perform troubleshooting for the electronically controlled brake system.
NEXT | | END |
READ NEXT:
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) sends signals such as brake request signals to the hybrid vehicle control ECU. If an abnormal signal is detected, the hyb
DESCRIPTION The hybrid vehicle control ECU communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication sys
DESCRIPTION The forward recognition camera communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication sys
SEE MORE:
DESCRIPTION The occupant classification system detects the front passenger seat condition. It then displays the front passenger airbag condition (activated/not activated) using the passenger airbag ON/OFF indicator. HINT: Approximately 6 seconds after the power switch is turned on (IG), the passenge
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 DOOR SCUFF PLATE ASSEMBLY LH *2 FRONT DOOR OPENING TRIM
© 2016-2025 Copyright www.lexunx.com
