Volvo 240 1989 Service Manual page 46

Checks
Fuel system LH2.4 - 240
~I~-
21
6
' )
20
9
OR
v
E12
Check system relay pump relay
Connecllead belween ground and no. 20 connection
on control unit connector.
Pump relay should close and start fuel pumps .
Remove ground connection from no. 20 connection,
but leave connection to no. 21 .
E13
Check air mass meter
1.
Remove rubber sleeve from air mass meter connec­
tor to free leads.
Colour cOfle
su
=
Dlurk UN
=.
Drown G\\ ::: Green
OR
=
(; r e~
Y
z:;
Yl.'lIuw OR -= Ora nge
W ;- Wllit e P
=
Pin k VU
=
Vinle t
R !! Red RL
n
Ulu~ CU = Coppe r
J
G- ~1
. 0 .
2.
Connect voltmeter between ground and no. 5 con­
nection on air mass meter connector. Reading
should be approx. 12 V.
21
~
V
!ill!!
\I
I
,
43