-1-

EWD (S mch in) B cc ca chng Chng ny trnh by v s mch in M t Hng dn dng s mch in (EWD)

-2-

M t M t hiu c s mch h thng v c th pht hin s

c, bn phi bit v tr ca cc b phn c lp t trong xe v cch ni chng nh th no. S EWD c son cho mi kiu xe. Bn v th hin mi iu ny c gi l s EWD (S u dy in).

(1/1)

3 Mc lc ca EWD

Mc lc ca cun sch S mch in EWD c ch ra hnh bn.

(1/1)

-3-

Cc ch vit tt Cc ch vit tt c s dng cho cc linh kin, v.v... thng c s dng trong s mch in (EWD). Mt bn danh mc ca nhng ch tt ny c nu trong phn "Cc ch vit tt". Khi s dng mt EWD, hy tham kho phn ny tra tm cc thut ng c coi l cc ch vit tt.

(1/1)

Bng ch gii cc thut ng v k hiu

S mch in dng cc k hiu trnh by cc linh kin khc nhau, nh c quy v cc bn dn. Cc k hiu ny c lit k trong phn "Bng ch gii cc thut ng v k hiu".

(1/1)

-4-

Hng dn cch dng EWD Cc mch ca h thng Trang mc lc lit k mi h thng theo trnh t vn ch ci.

Mt phn gii thch ca mi mc trong mch h thng s c trnh by bt u t trang tip theo.

(1/2)

Trong phn "Cc mch h thng", cc bn v trnh

by mi quan h gia tt c cc b phn in, dy dn, cc gic ni, cc rle, v.v.. t ngun in n im ni mt ca mi h thng. Mi gic ni v chn cm c quy nh bng mt m v s hiu. Vic tm m v s hiu trong khi chn on s c s cho php bn tm c v tr ca gic ni v chn cm ny.

(2/2)

-5-

Cc b phn

Cc khu vc in m th hin cc b phn. Cc b phn ny c th hin bng mu xanh da tri.

(1/6)

"C8" th hin m ca gic ni, v ch

"COMBINATION SW-Cng tc t hp" ch r tn ca b phn ny.

(2/6)

-6-

Cc s (9, 10, 11) trnh by cc s hiu chn

ca gic ni. (3/6)

1. Cch c s chn ca gic ni

Cc chn cm gm c cc chn c v chn ci, trong cc chn c c cm vo cc chn ci. Cc gic ni c cc chn c c gi l cc gic c, v cc gic ni c cc chn ci c gi l cc gic ci. Cc gic ni c kha bo m cho cc gic ni c ni vng chc.

(4/6)

-7-

Phn kha ca gic ni hng ln trn khi

c cc s chn trn b mt ca mi ni, cc s ny c c t phn trn bn tri i vi gic ci nh trnh by bn tri trong hnh minh ha. i vi gic c, cc s ny c c t phn trn bn phi nh hnh nh trong gng ca gic ci c th hin bn phi ca hnh minh ha.

(5/6)

Khi dng ng h o in kim tra in p, phi dng mt u d nh c th hin trong hnh v kim tra in p ny. Tuy nhin, ti thi im ny s chn c c t pha sau ca gic ni. Do , l chiu ngc khi c t mt trc ca gic ni, cn phi cn thn khi c cc s chn ca gic ni.

(6/6)

-8-

Gic u dy

Cc khu vc in ch m th hin cc gic u dy (1/3)

Cc gic u dy b nhiu dy vo mt dy

dn. "J2" th hin m ca gic u dy, v "JUNCTION CONNECTOR-Gic u dy" cho thy rng b phn ny l gic u dy.

(2/3)

-9-

1. Cu to ca gic u dy

Nh c trnh by trong hnh v, cu to ca gic u dy gm c cc cc ngn c nhiu dy dn cng mu c ni vi nhau.

(3/3)

Hp u ni v Hp r rle

Khu vc in m th hin hp u ni. Hp u ni ny c chc nng tp hp v ni cc mch in bn trong hp v t hp cc rle, cc cu ch, cc cu dao ct mch, v.v.., thnh cc tm mch. Mt s b phn ca hp u ni khng cha cc rle, cu ch, v.v..., m ch dng lm mt gic ni. Hp rle ny c cu to gn ging vi cu to ca hp u ni, nhng n khng tp hp v ni cc mch in bn trong hp. S mch in c chia v th hin nh sau. Hp u ni: Nn mu xm. Hp rle: Nn khng mu.

(1/1)

-10-

1. S hiu hp u ni v m gic ni

S ny trong hnh elip (2) th hin s hiu ca hp u ni, v ch (G) th hin m ca gic ni.

2. S chn ca gic ni

Cc s ny (2, 9) cho thy cc s chn ca gic ni.

-11-

3. S chn cm

Cc s (1, 2, 3, 5) th hin cc s chn ca rle PW.

4. u dy bn trong

Cc dng ny th hin vic u dy bn trong hp u ni.

(1/1)

-12-

Gic ni ni Dy dn v Dy dn Khu vc in m cho thy cc k hiu ca cc gic ni ni cc dy dn.

(1/2)

Cc ch-s trong hnh ch nht (BB1) th hin m ca gic ni, v s bn ngoi hnh ch nht (11) th hin s chn cm. Cng nh vy k hiu (^ ) ch r bn gic c.

(2/2)

-13-

Cc im chia v im ni mt

K hiu hnh lc gic trong vng in m th hin im chia, v k hiu hnh tam gic th hin im ni mt. im chia ni vo dy khng phi i qua mt gic ni. (B7) v (E1) l cc m ca im chia. im tip mt ni dy vi thn xe hoc ng c, v.v... (BH) v (EB) l cc m ca im ni mt.

(1/1)

Mu ca dy

Cc ch ci trong khu vc sng mu th hin mu ca dy. Cc mu ca dy cng bao gm c cc mu c sc. Cc mu ny c th hin bng ch L-Y c ch u tin l ch vit tt ca mu nn ca dy v ch th hai vit tt cho mu c sc. Gi : Mt vi s mch in cho thy cc mu thc t ca cc mu trn dy, v mt s EWD khc th hin cc dy vi mu en v trng.

(1/1)

-14-

ngha ca cc ch

Ngun in

Trong phn ny, bn s bit cc h thng no c bo v bng mi cu ch. Chng hn nh, s ny cho thy rng cu ch "10A, Ci" ch bo v "Ci". Cng vy, cu ch "15A, DOME" bo v nhiu h thng, bao gm "n trn ", "My iu ha khng kh (A/C t ng)", "ng h", "ng h tp l", v cc h thng khc. Cc s trang s l cc mch ca h thng.

(1/1)

-15-

Thng tin v mch h thng

Khi vng ny c sa cha hoc kim tra c tm thy trong s ca mch h thng, hy tham kho cc trang tip theo s sau. Trang ny cho mt tng quan v nhng gi i vi h thng ny. N cng cung cp phn tham kho i vi "S i dy in" th hin v tr ca cc b phn trn xe.

(1/1)

Tm v tr mong mun

Ly mt v d, chng ta hy tm "chn 11 ca gic ni BB1" ca Radio v my quay v loa ca sau cng nh v tr ca loa ca sau Phi". (Xe ny l loi xe sedan c tay li bn tri).

(1/8)

-16-

Trc ht, chng ta hy tm "V tr chn 11 ca

gic ni dy dn v dy dn gi l BB1" (Xe ny l loi xe sedan c tay li bn tri)

(2/8)

Nhn vo trang thng tin ca mch h thng,

mc "Gic ni dy dn v dy dn" a chng ta ti trang 70 ca gic ni BB1 (LHD S/D).

(3/8)

-17-

M ti trang 70 chng ta thy tiu "V tr ca gic ni dy dn v dy dn". Cho chng ta thy v tr ca gic ni BB1 trn xe.

(4/8)

Sau m sang trang tip theo chng ta c th

thy s s chn cm BB1. S ny cho chng ta thy hnh dng ca u ni ny v v tr ca chn cm 11 trong gic ni BB1. Chng ta cng c th tm v tr ca chn cm ny bng cch tm m gic ni phn c tn "Danh sch gic ni".

(5/8)

-18-

Tip n, chng ta hy tm v tr ca m gic ni

R9 "Loa ca sau bn phi". (6/8)

Chuyn ti trang thng tin v mch h thng.

"M gic ni ca loa ca sau bn phi" l R9. Mc c tn "V tr ca cc b phn" ch dn chng ta n trang 43 ca R9 (LHD S/D).

(7/8)

-19-

Trang 43 c u "V tr ca cc b phn

thn xe". Trang ny cho chng ta thy v tr ca b phn tng ng vi m ca gic ni R9 ca Loa ca sau bn phi trn xe ny. V tr ca cc b phn ny c th tm thy nh sau:

(8/8)

-20-

Bi tp

Hy s dng cc bi tp ny kim tra mc hiu bit ca bn v cc ti liu trong chng ny. Sau khi tr li mi bi tp, bn c th dng nt tham kho kim tra cc trang lin quan n cu hi v dng in. Khi cc bn c cu tr li ng, hy tr v vn bn duyt li ti liu v tm cu tr li ng. Khi tr li ng mi cu hi, bn c th chuyn sang chng tip theo. Trong chng ny, phiu hng dn thc hnh c chun b nh mt phn ca cc bi tp. Kch chut ln cu c gch chn sau y, v m phiu hng dn thc hnh. Ri in ra trc khi s dng.

-21-

Cu hi- 1

Nhng cu sau y lin quan n EWD. nh du ng sai cho mi cu sau y.

S. Cu hi ng hoc Sai Cc cu tr li ng

1. C th kim tra hnh dng ca gic ni trong mc "Mng h thng". ng, Sai. ng Sai

2.C th kim tra v tr ca cc b phn trong mc "S i dy in". ng, Sai. ng Sai

3.Trong mc lc ca "Mch h thng", cc tn ca h thng c xp theo vn ch ci. ng, Sai. ng Sai

4.Trong "Bng k gic ni" c th kim tra v tr ca m gic ni trn xe. ng, Sai. ng Sai

Cu hi- 2

Trong hnh minh ha, tm v tr phn kha ca gic ni trn nh, v c s chn cm t pha ni.Phn "X" ca u ni hnh minh ha sau y ch cng s hiu ca chn cm. T nhm t sau y, chn s chn cm thch hp.

1. Chn s 1 2. Chn s 2 3. Chn s 3 4. Chn s 4

-22-

Cu hi- 3

Khi m mu ca dy l L-B, chn m thch hp m dy c ch EWD.

1.

2.

3.

4.

1 2 3 4