Page 226 - Foton Workshop Manual - Auman EST-M

DI - 172 Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts

The whole AC is not working
Circuit diagram

Ignition switch Battery Battery
IG2

Black - Blue White
Black

Instrument
fuse box
Frame
fuse box
IG2 Blower
relay relay Compr
essor
relay

Red
Black - Green
To dipped headlight
relay R09-87 of
instrument panel
fuse box Blowers
Red
Green - blue
White
- black Red Fan speed White
Black - Blue
- white regulating - black
Blue Red -
resistance B056
Blue
Green
Compressor
Red Blue Blue - Blue - red
yellow

IG2 power Backlight Fan relay High Secondary Intermed Low speed
supply lamp power control speed gear high-speed iate gear gear
supply gear control
AC
controller
Circulation Circulation Evaporator A/C switch
motor + motor - temperature signal Sensor ground Grounding request signal

Red - Red - Yellow White- red Yellow - blue
Blue Red -
Blue
White - AC
Evaporator black pressure
switch
temperature High and low voltage switch
sensor

White-
green
Internal and external
circulation motor B055

DI-172