Seat Heater System - Chery A21 2005 Service Manual

S eat Heater Sys tem
30
15
ACC1
ACC2
31
I LLUM
Gr een Black
The installati on position of seat
heating switc h
Front Left
Seat He ater
Switc h
Blac k/White
F/L seat heating switc h
3
F/R seat heating s witch
Front Left Seat Heater
Rear seat heating s witch
31
8
Figure21-1

Seat Heater System

4 2
FB6
15A
L16
Red Gre en Black
2
1
2
Fron t Right
Sea t Heater
Sw itch
4 4
3
To
P ositive Fuse Box
B lack Black/White
1 2 1
3
F ront Right Seat Heat er
De vice
Device
8
Circuit Diagram
S eat Heater System Circuit Analysis：
（1）Front lef t seat he ater
◆Control circ uit
When press the front left seat heating switch, the voltage of ACC2 wire→
15 A Fb6 fu se→2nd p in of front left sea t heating switch→contact point of f ront left
seat heating switch→ 4th pin of front left seat h eating switch→1s t pin of f ront left
seat heating set→3rd pin of fr ont left seat heatin g set→gr ound.
◆Main circuit
R ed
1 The p ositive p ole of ba ttery→FB 32 fuse in positiv e pole fu se box→ 2nd pin
of the front left seat heating set→go through the heating wire and relay contact
point in th e front le ft seat he ating set→3rd pin of the front left seat heating set→
ground. Th e front le ft seat he ater heat ing then.
The v oltage of ACC2 w ire→15A Fb6 fuse→2nd pin of front left seat heating
sw itch→contact poi nt of front left seat heating switch→ 3rd pin of front left seat
heating switch→ground. The left heat indicator lamp light on.
3
（2）Front rig ht seat h eater
◆Control circ uit
Black
When press the front ri ght seat heating sw itch, the voltage of ACC2 wire→
15 A Fb6 fu se→2nd pin of fro nt right seat heat ing switc h→conta ct point of front
right seat h eating sw itch→ 4th pin of front right seat h eating sw itch→ 1 st pin of
2
fro nt right seat heati ng set→3 rd pin of front rig ht seat he ating set→ground .
◆Main circuit
The p ositive p ole of ba ttery→FB 32 fuse in positiv e pole fu se box→ 2nd pin
of the front right sea t heating set→go through the heating wire and relay contact
point in th e front r ight seat heating set→3rd pin of the front r ight seat heating
set→ground. The front right seat heater heating then.
The v oltage of ACC2 wire→ 1 5A Fb6 fuse→ 2n d pin of front right seat
heating swi tch→con tact point of front right seat heating switch→ 3rd pin of front
right seat heating sw itch→gro und. The right he at indica tor lamp light on.
8