Lexus NX: Cruise Control Input Circuit (P0575)

DESCRIPTION

When the hybrid vehicle control ECU detects an internal malfunction, DTC P0575 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

P0575

Cruise Control Input Circuit

Detection Condition1

  • When the dynamic radar cruise control system is operating, the hybrid vehicle control ECU detects a malfunction in the internal cancel circuit for 0.4 seconds or more.

Detection Condition2

  • When the dynamic radar cruise control system is operating, the hybrid vehicle control ECU detects a malfunction in the internal STP signal circuit for 0.2 seconds or more.

Hybrid vehicle control ECU

Radar Cruise1

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the hybrid vehicle control ECU, refer to Service Bulletin.

PROCEDURE

1.

CHECK FOR DTCs (Radar Cruise1)

(a) Clear the DTCs.

Click here

Powertrain > Radar Cruise1 > Clear DTCs

(b) Make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

(c) Check for DTCs.

Click here

Powertrain > Radar Cruise1 > Trouble Codes

Result

Proceed to

DTC P0575 is not output.

A

DTC P0575 is output.

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE HYBRID VEHICLE CONTROL ECU

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