Toyota 2H Repair Manual page 266

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STARTI N G S Y S T E M
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I N S P E C T R E L A Y O P ERATION
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I f o p e r a t i o n i s n o t a s s p e c i f ied, replace t h e relay.
G low P l u g
I N S PE C T G L O W P L U G
U s i n g a n oh mmeter, c h e c k t h a t t h ere i s c o n t i n u i t y bet­
ween t h e g l o w p l u g terminal and ground.
I f t h ere i s no continuity, replace t h e g l o w plug.
N O T E :
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G low P l u g C u rr e n t S e n s o r
I N S PECT G L OW P L U G C U R R E N T S E N S O R
U s i n g a n o h m m e t e r , c h e c k t h a t there i s c o n t i n u i t y b e t ·
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w e e n the current sensor terminals.
t here i s no c o n tinuity. replace t h e current sensor.
Glow Plug Resistor
I N S PE C T G L OW P L U G R E S I S T O R
U s i n g a n o h m m e t e r. check t h a t there i s c o n t i n u i t y b e t ­
ween t h e r e s i s t o r t e r m i n a l s .
I f t h e r e i s no c o n t i n u i t y , r e p l a c e t h e re sistor
Pre- h e a t i n g S y s t e m 1 2 H I
is
Apply ballery vol t a g e across t e r m i n a l s E a n d g.
C h e c k thaI t h ere continuity between terminals B
and G .
B e caref u l n O I t o d a m a g e the g l o w p l u g p i p e s a s it could
cause an open circuit or shorlen t h e l i f e o f t h e p l u g s .
A v o i d g e t t i n g o i l and g a s o l i n e o n t h e glow p l u g s when
c l e a n i n g .
D u ring i n s p e c t i o n , use a c l o t h be sure t o wipe a n y o i l o f f
t h e g l o w p l u g terminals and b a k e l i te washer.
B e careful not t o a p p l y m o r e t h a n 7 volts to t h e glow
p l u g a s i t could cause a n o p e n circ u i l .
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