Diagnosis system (HVAC)
U1000 CAN comm circuitMicrophone
Removal and Installation
REMOVAL
Remove the front room/map lamp assembly. Refer to INL-84, "Removal
and Installation".
Detach the microphone connector (A).
Remove the front room/map lamp covers (1), then remove the map lamp
assembly cover (2).
Release the microphone tab ...
B2557 vehicle speed
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 DETECTIO ...
AV control unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Index
Self-diagnosis results display item
...