Toyota Tundra Service Manual: Cruise Control Input Circuit (P0575)

DESCRIPTION

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

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the ECM, refer to Registration.

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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

(a) Clear the DTCs.

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(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 cruise control operation is possible.
2. Turn the cruise control system on using the cruise control main switch (ON-OFF button).
3. Push the cruise control main switch to -SET to begin control of vehicle speed using the cruise control system.
4. Depress the brake pedal for 0.4 seconds or more.

(c) Check for DTCs.

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OK:

DTC P0575 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE ECM