System Diagram

System Description
The intake doors are automatically controlled by the temperature setting, ambient temperature, in-vehicle temperature, intake temperature, amount of sunload and ON/OFF operation of the compressor.
SYSTEM OPERATION
The intake door control judges intake door position based on the ambient temperature, the intake air temperature and the in-vehicle temperature. When in shifting mode position D/F, if the DEF or OFF switches are pressed, or when the A/C switch is OFF, the A/C auto amp. sets the intake door to the FRE position.
Door Motor Circuit

Intake Door Control Specification

Air mix door control system
Blower motor control systemHeadlamp (HI) circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
headlamp high relay based on inputs from the BCM over the CAN communication
lines. When the headlamp high relay is energized, power flows through fuses
48 and 49, located in the IPDM E/R. Power then flow ...
Headlight control switch
Lighting
Rotate the switch to the
position, and
the front parking, tail, license plate, and instrument
panel lights will come on.
Rotate the switch to the
position, and
the headlights will come on and all the other
lights remain on.
CAUTION
Use the headlights with the e ...
HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...