Description
BCM receives the 2 vehicle speed signals via CAN communication. One signal is transmitted by the "combination meter". Another signal is transmitted by "ABS actuator and electric unit (control unit)". BCM compares both signals to detect the vehicle speed.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2557 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-29, "DTC Logic".
If DTC B2557 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-30, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Drive the vehicle at the vehicle speed of 10 km/h or more and wait for at least 10 seconds.
Check "Self Diagnostic Result" with CONSULT.
Diagnosis Procedure
1.CHECK DTC WITH "ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)"
Check "Self Diagnostic Result" with CONSULT. Refer to BRC-82, "DTC No. Index".
2.CHECK COMBINATION METER.
Check combination meter. Refer to MWI-4, "Work Flow".
Inspection End.
Diagnosis system (ECM)
DIAGNOSIS DESCRIPTION
DIAGNOSIS DESCRIPTION : 1st Trip Detection Logic and Two Trip Detection
Logic
When a malfunction is detected for the first time, 1st trip DTC and 1st trip
Freeze Frame data are stored in the
ECM memory. The MIL will not illuminate at this stage. <1st trip>
If th ...
RGB area (YS) signal circuit
Description
Transmits the display area of RGB image displayed by AV control unit with RGB
area (YS) signal to display
unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV control unit
con ...
Blower motor
Description
COMPONENT DESCRIPTION
Brush-less Motor
The blower motor utilizes a brush-less motor with a rotating magnet.
Quietness is improved over previous motors where the brush was
the point of contact and the coil rotated.
Blower Motor Circuit
Component Function Check
1.CHECK OP ...