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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If your vehicle needs to be towed
If towing is necessary, we recommend
having your vehicle towed by
your Lexus dealer or commercial
towing service, using a wheel-lift
type truck or flatbed truck.
Use a safety chain system for all
towing, and abide by all state/provincial
and local laws.
If towing your vehicle with a whee
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DTC CHECK / CLEAR CHECK FOR DTC (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / Back Door / Trouble Codes. (f) Check for DTCs. Click here Body Electrical > Back
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