6-20 Chapter 6 Emissions control systems
-
Ignition switch OFF f ON
i O-IV
i
B.7
i
, 2000 rpm
13%15v
Ignition switch
OFF - ON
~ ‘, Accelerat;<losed --Ii 0.2-1.W 4 -A-,;~ ~__
Accelerator wide
i SV
_.._ -~~ .~I-- -- -., .-- - 1
I
opened
I
, Jgnmon awrtch
OFF - ON
1 20°C[680F) ; 2 4-2 hV
j A.,?
.
+ -- .~__t
~- __.
Ignition switch OFF -
Check item
Power supply
Distributor advance vacuum
exchange solenoid valve
--
Throttle pnsltron sensor (TPS)
--
--
--
Coolant temperature sensor
II_. -. ~-~
Intake air temperature sensor
Vacuum switch
Idle up control solenoid valve
Enrichment solenoid valve (ESVJ
--~
A/C cut relay Ignition switch and Accelerator clovd
A/C switch
-- -
, OFF-ON Accelerator wide
I
1 opened
, Ignfyon switch OFF + ON
I
.-i
.~
Power supply for sensor
,-
Secondary air control solenoid valve! Igmtton switch ’ Coolant temp.
O-O.hV I B-4
*
1 OFF-ON
c
30-4O’C (86- 104°F)
I
i
___-- -t- .---i
Coolant temp.
Less than 30% (86’Fj
or more than 40°C
j ll-13v
I.
i
i (lu4’Fj
I I
! Check meter Terminai
Condition
reading number
when normal of computer
__.
--
.
Check Item
____ ~-~~
Jet mixture solenoid valve (JSV)
Ignition switch OFF --i Oh’
Idling
2000 rpm wtth A/C s~ltch ON
Idling
Idling
Idhng
ll-13v B-l
2-1ov
J
.--
13- ISV B-3
5-;ir
A-10
1
- .__-._
I3-15V A-9
0-U.hV j B-2
/
-
Idle up control solenoid valve
lgnitmn pulse
Power supply for back.up
Deceleration solenoid valve (DSW
I
/_
c
Quick deceleration from 4000 rpm to idhng with Momentarily
“P” or “N” position
13-ISV
__ ._-__
Oxygen sensor
t
--
Keep 1300 rpm after warmmg up o-tv
A-l
t Flashing
? 7.Q
~~~ r
-.. .~___
12-15v B-5
7
Momentarily j
/
Enrichment solenoid valve (ESV)
Idling after warming up
Quick acceleration from Idling to 4000 rpm with
“P” or “N” position
Idling after warming UP
Qdlck deceleration from 200~ rpm to ldhng with
“p” or “N” posn,on
approx. 5V ’
ll- 13v B-4
- -y1’
Momentarily
u--U.bV
Secondary air control solenoid
Valve
13.16a FBC control unit voltage check table
PSl 1
1.
i.
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