Connect Co Meter; Check Lambda-Sond - Volvo 240 1989 Service Manual

Checks
0=::>
CO
Fuel system LH2.4 - 240
E25
Connect CO meter
Connect CO meter to CO connection on catalytic
converter using 5151 connector.
Run engine
Check CO content.
If
un satis factory. check again after checking
Lambda-sond in next step.
E26
Check
Lambda-sond
1.
Disconnect Lambda-sand connector.
\
2.
Ground lead to control unit.
CO content reading should
"se.
indicating that con ­
trol unit and its connections
are
OK.
3.
Connect vollmeterto Lambda-sond. Indicator should
swing back and forth
\0
show functi on
01
Lambda­
sond.
(Reading at correct CO content should be approx. 0.5
V.)
Connect Lambda-sand connector.
49