Toyota Tundra Service Manual: 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.

CAUTION / NOTICE / HINT

NOTICE:

• Before replacing the ECM, refer to Registration.

  Click here

• First check the CAN communication system by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed with troubleshooting

  Click here

PROCEDURE

(a) Check for DTCs.

Click here

B

GO TO VEHICLE STABILITY CONTROL SYSTEM

A

(a) Clear the DTCs.

Click here

(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. Drive the vehicle at 36 km/h (22 mph) or more for 0.2 seconds or more.

(c) Check for DTCs.

Click here

A

USE SIMULATION METHOD TO CHECK

B

(a) Replace the ECM.

for 1UR-FE: Click here

for 3UR-FE: Click here

for 3UR-FBE: Click here

NEXT

(a) Clear the DTCs.

Click here

(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. Drive the vehicle at 36 km/h (22 mph) or more for 0.2 seconds or more.

(c) Check for DTCs.

Click here

A

END

B

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)