Electric Seat System - Chery A21 2005 Service Manual

Power W indow of Front Do or & P ower Door L ock
Cir cuit analyse：
The circuit analysis of fron t door window lifter and four doors lock.
Please re fer to fig ure 19- 1.
1．p ower w indow
The power window system c ircuit is composed of power wi ndow main
switch tha t set at the front left door、three p ower wi ndow switches th at set at the
th ree doors、four window motor and front、rear ISU computer.
The power w indow button o peration set is th e device to have the F/L、
F /R、 R/ L、 R/R window go up a nd down automa tically.
In th e 40s aft er turning off the
b e controlled, and after 40s , there will be no response.
The front ISU receives the up or down signal fr om the p ower wi ndow main
switch to drive the power w indow motor wo rk to open or clo se the wi ndow.
The 2nd pin of ISU is connect ted to the children safety l ock. Wh en press the
safety switch on the power window main switch, signal is sent to the front
ISU,whic h cut off the rear door power window motor to p revent t he rear seat
window working. This will enable the pas senger, especially childre n to miss-
o pen the window and resu lt in accident.
2 Central lock ．
The vehicle d oor control set i s at the d river sea t side. W hen the driver op en
o r close th e door, the open and clo se signal from the minisiz e switch in the do or
lo ck will be sent to the B31 and B15 pin of f ront ISU. The ISU computer cont rol
th e door l ock mot or work accordin g to the open or close signal from the D4 a nd
D 5 pin of ISU.
If us e the ma nual key（outer） or button at the drive si de（inner） to lock
o r unlock, the four doors w ill response imme diately.
If pr ess the lo ck/unlock button on the remote controlle r when pull out the
ig nition k ey from the lock core, the four doo rs will b e locked immedia tely. Th en,
th e anti- theft sys tem will get into the acti vation or release state. If one doo r is
n ot closed well, then use th e remot e controller to lo ck, all th e four doors will be
lo cked or unlocked right aw ay .
4 0
ignition power, the wind ows' mo vement c an

Electric Seat System

30
15
ACC1
ACC2
31
I LLUM
The upwards and
dow nwards adjust ing
FB21
swi tch of the seat front
30A
par t
C4
The forwards and backwards sliding s witch of seat The upwards and downwards adjusting swi tch of the seat rear part
1
Reg ulate switch
FWD BKD U D
3 4
5 6
M
T he upwards a nd
downwa rds adjusting d ynamotor
of the seat front part
M
The forw ards and
backward s sliding
dynam otor
Figure20-1 Electric se at 8 irection al djust ircuit
Seat back rest
incline adjusting
switch
2
D FWD BKD
U
8
9 10
7
M
The upwards and downwards
adjusting dy namoto r of the
seat rear par t
M
Se at backrest
incl ine adjusting
dynamotor
D A C