Toyota Tacoma 2015-2018 Service Manual: Cruise Control Input Circuit (P0575)

Toyota Tacoma 2015-2018 Service Manual / Cruise Control / Dynamic Radar Cruise Control System(for 2tr-fe) / Cruise Control Input Circuit (P0575)

DESCRIPTION

This DTC is stored when there is a malfunction in the ECM.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
P0575	Cruise Control Input Circuit	Either of the following conditions is met: When the ignition switch is ON, STP signals received by the ECM supervisory CPU and that received by the control ECU do not match for approximately 0.2 seconds or more. While the dynamic radar cruise control system is operating, the dynamic radar cruise control system control of vehicle speed is not canceled and approximately 0.4 seconds have elapsed after cruise cancel signal (STP signal) is received by the ECM.	ECM

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the ECM, refer to Registration.

w/o Smart Key System: Click here w/ Smart Key System: Click here

w/ Smart Key System: Click here HINT:

HINT:

The ECM receives signals from each sensor to control all functions of the cruise control system. When a malfunction is detected, the fail-safe function operates until the ignition switch off.

PROCEDURE

1.	CHECK FOR DTCs (RADAR CRUISE1)

(a) Clear the DTCs.

Click here (b) Perform the following to make sure that the DTC detection conditions are

(b) Perform the following to make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the malfunction cannot be detected.

Drive the vehicle at a speed for which dynamic radar cruise control operation is possible.
Turn the cruise control system on using the cruise control main switch (ON-OFF button).
Depress the brake pedal for 0.4 seconds or more.

Click here

Result	Proceed to
DTC P0575 are not output.	A
DTC P0575 are output.	B

USE SIMULATION METHOD TO CHECK

REPLACE ECM

Vehicle Control History

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Brake System (P1578)

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Other materials:

Open or Short in Master Cylinder Pressure Sensor (C1421,C1423,C1424,C142A,C1449)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C1421 Open or Short in Master Cylinder Pressure Sensor Any of the following is detected: When voltage at terminal +BS is 9.5 V or ...

Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes. (e) Check for DTCs. Click here CLEAR DTC (a) Connect the Techstream to the DLC3. (b) Turn ...

Operation Check
OPERATION CHECK INPUT SIGNAL CHECK *a +RES *b -SET *c ON-OFF *d CANCEL (a) Connect the Techstream to the DLC3. (b) Check the cruise control main switch using the Data List functio ...