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

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:

Check Bus 5 Line for Short to GND
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On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT INDICATOR LIGHT (a) Inspect the 4HI Indicator Light: (1) Start the engine. (2) Change the 4WD control switch from 2WD to 4H. (3) Check the 4HI indicator light. OK: The 4HI indicator light comes on or the 4HI indicator light comes on after it is b ...

Hydraulic Test
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