Technical data
~
,i
‘,,
COMPLETE CAR ~
1,
TEST
N{.
8
-
CilECK ON LAMBDA PROBE (CU PIN 13)
,,
Conmct
wiring side
‘connecter
to CU.
l Set multimeter to 20 V F.S.
With
startect
engine check the
NC
Check G4 (7.5 A) fuse integrity.
NO
-
presence
:of
,12 V on preheatlng
-
Restore wiring retative
to
heating
resistance
resistance
termlnals
of Lambda
probe.
NO
-
Disconriect
resistance preheating
B
connecter of Lambda probe.
Replace Lambda probe group.
l
-
Set multimeter to 200 Ohm FS.
-
Check heating resistance func-
tionality
maa,suring
a value be-
tween 3
Ohmland
20 Ohm.
YES
I
l
I
1
-
Set multimeter to 2 V FS.
-
Takemout
cap from Lambda probe
connactor (wiring
side).
-
With’ ivehicle warmed up and
running check between connec-
tion point of Lambda probe and
groubd~
for a voltage value
be-
twee,n
30 mV and 1
mV.
‘,
9
Replace Lambda probe.
/
-
key removed.
NO
-
Disconnect CU connecter.
ti
Restore wiring.
-
Checkcontinuity
between wiring
sidesconnector pin 13 and lambda
probe oonnection point.
END
OF
ELECTRIWELECTRONIC
TROUliLESHOOTING
~
If test tesults were positive, but fault
still
remains, try replacing in the
order: ~
-
CU!
-
Air fl+w
sensor.:
00-34
PA333500883300