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Begin OCR Text:
__
n _ CHECKING '
_oo
1. _eagure the regigtançe be_een the termina_
pins and compare with fhe table, see Fig. 2-94.
40O .'.,
AUXILIARY AIR REGULATOR ''
3OO _EpLAC_NG '
1. Drain offthe coolant. _
2. Remove the air hoses from the auKiliay air
2OO regu_ator. ungçrew the F__K__ng gçrewg and draw .,
out the regulator. '
3. Fit a new sealing ring and screw on the new _
lOO _' regulator
+1O +2O +3O +4O ' __
v,e?,,,_ 4. Re-fit the air hoseg and fill with coolant. i
Flg. 2-93. Realatan_e In temper$ture eeneorlor InduGtlon $lr . '..
CHECKING '_.
1. Run the engine warm (approK. 8OOC=176'_. ',._
Read oM the idling speed. After that pull off '.'
iE_pERAiuRE SeNSoR __ the hose behNeen the inlet duct and the auK- .
i_ooiANij iliary air regulator. Cover the hose opening ;
with the hand.
REPLACING 2. Cheç_ that the gpeed doeg not drop not__ceab_y '_..
1. Drain offthe coolant. in re_at_on tothe F_rgt read_ng. -
2_ Pult oUt the plug ContaCt ffom the sensor. 3. _F _t doeg drop not_çeab_y. there mugt be a _ea_ '._.
Screw out and replace the sensor. Do not for- _n the au____ary a_r regu_ator, wh_çh ghou_d be
getthe eealing ring. rep_açed. -._
3. Re-fit the plug contact and fill with coolant. -..
PRESSURE SENSOR -
1. Pull outthe four-way plug. _'
n
Remove the hoge from the preggure gengor.
5OOO 2. Undo fhe three fiKjng gçrewg holding the preg- _
sure sensor to the wheel housing.
3. Fit the new sensor on the wheel housing. Con-
4ooo nect up the hose and re-fit the four-way plug.
N. B. Do not take off the protection over the '_
hose connection until the hose has been re- _
fitted.
3OOO
ZOOO CHECK_NG
Measure the resistance betwen the terminal points.
__he resistance should be approK. 9O ohms be- -
1ooo _' tween 7 and 15 (primarywinding).
+1O +ZO _3O .+4O ApproK 35o ohmg between g and _o (geçondary
'_es''__ w._nd.jng).
Fig, p__ ffeai$_$nGe in_empera_urea$naor_or_ooI$n_ All other CombinatiOnS ghould give _$'' resiStanCe.
a.46
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