Lexus NX: Brake System (P1578)
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System / 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.
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HINT:
If DTC P1578 is output by the dynamic radar cruise control system, perform troubleshooting for the electronically controlled brake system.
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