ABS (Antilock Brake System)

ANTI-LOCK BRAKE SYSTEM

PRECAUTION

NOTE: When disconnecting the negative (-) battery terminal, initialize the following system(s) after the terminal is reconnected.

System Name
Power window control system
Sliding roof system

1. TROUBLESHOOTING PRECAUTION

NOTE:
- When there is a malfunction in the contact point of the terminals or installation problems with parts, removal and installation of the suspected problem parts may return the system to the normal condition either completely or temporarily.
- In order to determine the malfunctioning area, be sure to check the conditions at the time the malfunction occurred, such as by DTC output and freeze frame data output, and record it before disconnecting each connector or removing and installing parts.
- Since the ABS with EBD systems may be influenced by a malfunction in the other systems, be sure to check for DTCs in the other systems.
- Be sure to remove and install the brake actuator and each sensor with the ignition switch off unless specified in the inspection procedure.
- When removing and installing the brake actuator and each sensor, be sure to check that the normal display is output in the test mode inspection and in DTC output inspection after installing all parts.
- The CAN communication system is used for data communication between the skid control ECU and the gateway ECU. If there is trouble in the CAN communication line, the DTC of the communication line is output.
- If the DTC of the CAN communication line is output, repair the malfunction in the communication line and troubleshoot the ABS with EBD system.
- Since the CAN communication line has its own length and route, it cannot be repaired temporarily with the bypass wire, etc.

2. EXPRESSIONS OF IGNITION SWITCH




The type of ignition switch used on this model differs according to the specifications of the vehicle.
The expressions listed in the table are used in this section.