Toyota 7FBCU 15-55, Manual

Page: 53 / 80

2-19
2 . C O (ove r a ll capac it o r )
(1) Inspec ti on me t hod
Conf ir m comp l e t e d i scha r ge of C O befo r e i nspec ti on .
Standard:
3 . TMD (d ri ve mo t o r tr ans i s t o r ) , TMP (pump mo t o r tr ans i s t o r )
(1) Inspec ti on me t hod
Remove C O (ove r a ll capac it o r ) and t he i nsu l a ti on cove r .
Po rti on t o be
i nspec t ed
Measu r emen t t e r m i na l s Tes t e r r ange
C O Bo t h t e r m i na l s on t he r ea r s i de of C O
Ω ×
1k
Po rti on t o be
i nspec t ed
Measu r emen t t e r m i na l s S t anda r d Tes t e r r ange
TMD
TMP
D1 (D2) (+) - S1 (S2) (-) App r ox . 2 k
Ω
Ω ×
1k
D1 (D2) (+) - G (-) App r ox . 12 k
Ω
S1 (S2) (+) - D1 (D2) (-)
∞ Ω
S1 (S2) (+) - G (-) App r ox . 10 k
Ω
G (+) - D1 (2) (-)
∞ Ω
G (+) - S1(S2) (-) App r ox . 1 k
Ω
B ri ng t es t e r p r obes i n t o con t ac t w it h bo t h t e r m i na l s of C O . The po i n t e r once r ef l ec t s t o t he 0
Ω
s i de .
Then it g r adua ll y r e t u r ns t o
∞
and f i na ll y i nd i ca t es
∞
.
∞ Ω
i s i nd i ca t ed because t he capac it o r i s cha r ged by t he t es t e r cu rr en t .
C O
15 ~ 32 mode l
TMP (On l y choppe r )
TMD
35 ~ 55 mode l (F o r tr ave li ng)
TMD
TMD2