Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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.

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

(c) Check for DTCs.

Click here

Result

Proceed to

DTC P0575 are not output.

A

DTC P0575 are output.

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE ECM

Vehicle Control History
VEHICLE CONTROL HISTORY VEHICLE CONTROL HISTORY HINT: A part of the control history can be confirmed using the vehicle control history. Click here ...

Brake System (P1578)
DESCRIPTION This DTC is stored when a malfunction is detected in the vehicle stability control system. Check the vehicle stability control system when DTC P1578 is stored. DTC No. ...

Other materials:

Installation
INSTALLATION PROCEDURE 1. INSTALL BRAKE PEDAL PAD (a) Install the brake pedal pad onto the brake pedal. 2. INSTALL BRAKE PEDAL SUPPORT ASSEMBLY (a) Install the brake pedal support assembly with 4 nuts. Torque: 14 N·m {145 kgf·cm, 10 ft·lbf} (b) Connect the stop light switch connector t ...

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION (a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each sy ...

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