Page 2259 - Foton Workshop Manual - Aumark (BJ1099)

DIAGNOSIS-HEATER & AIR CONDITIONING 62-207

Air conditioning
system central ECU switch Engine ECU
CAN communication system pressure switch feedback Air conditioning A11
signal input terminal signal input
C99 C99 C99
41 87 20
62
Br Lg GO-
A301 A305
37 14
C201 C205
1 3
Low
+ pressure
Medium
pressure
-
+
WR- LY- OB- Pressure switch
High A01
pressure
+ -
-
A301
8
C201
4 2
B
A07
A81 B 81 B8 B3
High/low pressure
CANH CANL AC request signal
switch signal
A/C controller
C42
5V
Mixed air reference Analogy Recirculation
Mixed Mixed motor power Analogy Analogy motor Recirculation Recirculation motor
air motor+ air motor- feedback supply motor+ motor- feedback motor+ motor- feedback Ground Ground Ground
A12 B12 A8 A4 A13 B13 A7 A11 B11 B7 B1 B19 B20

BG- BP- GY- PG- BY- BW- WR- O O B- VW- B B B

C

BL- PG- BL- BL-
5 6 1 2 3 5 6 1 2 3 5 6 1 2 3

M M M

Mixed air motor Analogy motor Recirculation motor
C52 C25 C38
C22
fuwx62603

Page 2259