文档介绍：BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM BC–1
ANTI-LOCK BRAKE SYSTEM
PRECAUTION
1. 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 below are used in this
section.
Switch Type
Expression
Ignition Switch (Position) Engine Switch (Condition)
Ignition switch off LOCK off
Ignition switch on (IG) ON on (IG)
Ignition switch on (ACC) ACC on (ACC)
Engine start START start
2. TROUBLESHOOTING PRECAUTION
HINT:
The anti-lock brake system includes the ABS and EBD. BC
(a) When there is a malfunction in the terminal contact
points or installation problems with parts, removing
and installing the suspected problem parts may
return the system to normal, pletely or
temporarily.
(b) In order to determine the malfunctioning area, be
sure to check the conditions at the time the
malfunction occurred, such as by the DTC output
and the freeze frame data output, and record it
before disconnecting each connector or removing
and installing parts.
(c) Be sure to remove and install the brake actuator
and each individual sensor with the ignition switch
off unless otherwise specified in the inspection
procedure.
(d) If the brake actuator or a sensor has been removed
and installed, it is necessary to check the system for
problems after the parts have been reassembled.
Check for DTCs using the intelligent tester, also
check that system functions and signals received by
the ECU are normal using test mode.
3. MUNICATION SYSTEM PRECAUTION
(a) The munication system is used for data
communication between each of the ECUs and
sensors. If there is trouble in the CAN
communication line, a DTC of munication
line is output.
(b) If a DTC of the munication line is output,
repair the malfunction in munication line and
troubleshoot the anti-lock brake system.
BC–2 BRAKE CONTROL –