System Diagram

System Description
The mode door is automatically controlled by the temperature setting, ambient temperature, in-vehicle temperature, intake temperature and amount of sunload.
SYSTEM OPERATION
Door Motor Circuit

Mode Door Control Specification

Mode position can be selected manually by pressing the MODE switch or the DEF switch on the A/C switch assembly. Pressing the AUTO switch allows automatic control by the A/C auto amp. During the automatic control of a mode position, a mode door position (VENT, B/L, FOOT, or D/F) is selected based on a target air mix door opening angle and the sunload sensor, calculated by the A/C auto amp. In addition, the D/F is selected to prevent windshield fogging only when ambient temperature is extremely low.
Automatic air conditioner system
Air mix door control systemDrive mode selector
Drive mode selector switches
Two driving modes can be selected by using the
drive mode selector switches, NORMAL and
SPORT.
NOTE:
When the drive mode select switch selects a
mode, the mode may not switch quickly. This
is not a malfunction.
Select the NORMAL mode for normal driving. ...
On board diagnostic (OBD) system
Diagnosis Description
This system is an on board diagnostic system that records exhaust
emission-related diagnostic information
and detects a sensors/actuator-related malfunction. A malfunction is indicated
by the malfunction indicator
lamp (MIL) and stored in ECU memory as a DTC. The diagn ...
Slip indicator lamp
Description
Component Function Check
1.CHECK SLIP INDICATOR LAMP OPERATION
Check that the lamp illuminates for approximately 2 seconds after the
ignition switch is turned ON.
Diagnosis Procedure
1.CHECK SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis
...