Toyota RAV4 manuals

Toyota Sienna Service Manual: Brake System Malfunction

DTC P1578 Brake System Malfunction

DESCRIPTION

This DTC is output when the VSC system has a problem. Check the VSC system when this DTC is output

DTC No.

DTC Detection Condition

Trouble Area

P1578

The ECM receives a brake system error signal for 0.2 sec. or more while the dynamic laser cruise control is in operation VSC system

INSPECTION PROCEDURE

HINT: This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.

1 CHECK BRAKE CONTROL SYSTEM

Refer to HOW TO PROCEED WITH TROUBLESHOOTING

END

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Other materials:

Installation
1. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH (a) Coat the spline of the inboard joint shaft assembly with ATF. (b) Align the shaft splines and install the drive shaft assembly with a brass bar and hammer. NOTICE: Set the snap ring with the opening side facing down. Be careful not to d ...

Throttle Actuator Control System
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Precaution
1. HANDLING PRECAUTION FOR CRUISE CONTROL SYSTEM  Turn the cruise control main switch off when not using the cruise control system.  Be careful as the vehicle speed increases when driving downhill with the cruise control system on.  The + (ACCEL)/RES (RESUME) operation ch ...

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