Diagnosis system (BCM)
U1000 Can comm circuitP1800 vias control solenoid valve 1
Description
The VIAS control solenoid valve 1 cuts the intake manifold vacuum signal for
power valve 1 control. It
responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum
signal from the intake
manifold is cut. When the ECM sends an ON signal the coil pulls the plunger ...
Automatic drive positioner control unit
Removal and Installation
REMOVAL
Remove audio unit. Refer to AV-73, "Removal and Installation"
(BASE AUDIO), AV-161, "Removal and Installation" (BOSE W/MONOCHROME
DISPLAY), AV-481, "Removal and Installation" (BOSE W/ COLOR DISPLAY),
AV-652, "Removal and Installation" (BOSE W/COLOR DISP ...
Compressor control function
Description
PRINCIPLE OF OPERATION
A/C compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
RX: A/C switch signal
: Fan ON signal
: Defroster signal
Functional initial inspection chart ...