Dodge Sprinter 2006 Manual page 441

P 0100-MAS S AIR F LOW S EN S OR S IGN AL VOLTAGE TOO LOW —
Co n tin u e d
TES T
10 Tu r n t h e ign it ion off.
Discon n ect t h e MAF Sen sor h a r n ess con n ect or.
Tu r n t h e ign it ion on .
Mea su r e t h e volt a ge bet ween t h e 5-volt Su pply cir cu it a n d t h e Sen sor Gr ou n d cir cu it
a t t h e MAF Sen sor h a r n ess con n ect or.
Is t h e volt a ge a bove 4.5 volt s?
Yes
No
11 Tu r n t h e ign it ion off.
Discon n ect t h e MAF Sen sor h a r n ess con n ect or.
Tu r n t h e ign it ion on .
Usin g a 12-volt t est ligh t con n ect ed t o gr ou n d, pr obe t h e 12 Volt Su pply cir cu it in t h e
MAF Sen sor h a r n ess con n ect or
Does t h e t est ligh t illu m in a t e br igh t ly?
Yes
No
12 Tu r n t h e ign it ion off.
Discon n ect t h e MAF Sen sor h a r n ess con n ect or.
Discon n ect t h e E CM h a r n ess con n ect or s.
Mea su r e t h e r esist a n ce of t h e 5 Volt Su pply cir cu it .
Is t h e r esist a n ce below 10.0 oh m s?
Yes
No
13 Tu r n t h e ign it ion off.
Discon n ect t h e MAF Sen sor h a r n ess con n ect or.
Discon n ect t h e E CM h a r n ess con n ect or s.
Mea su r e t h e r esist a n ce bet ween t h e MAF Sen sor 5 Volt Su pply cir cu it a n d t h e Sen sor
Gr ou n d cir cu it a t t h e MAF Sen sor h a r n ess con n ect or.
Is t h e r esist a n ce a bove 1000 oh m s?
Yes
No
14 Tu r n t h e ign it ion off.
Discon n ect t h e MAF Sen sor h a r n ess con n ect or.
Discon n ect t h e E CM h a r n ess con n ect or s.
Mea su r e t h e r esist a n ce bet ween gr ou n d a n d t h e MAF Sen sor 5 Volt Su pply cir cu it a t
t h e MAF h a r n ess con n ect or.
Is t h e r esist a n ce below 1000 oh m s?
Yes
No
ACTION
→ Go To 11
→ Repla ce a n d pr ogr a m t h e E CM in a ccor da n ce wit h t h e Ser vice
In for m a t ion .
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Repla ce t h e MAF Sen sor.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Repa ir t h e 12 Volt Su pply cir cu it for a n open .
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 13
→ Repa ir t h e MAF Sen sor 5 Volt Su pply cir cu it for a n open .
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 14
→ Repa ir t h e MAF 5 Volt Su pply cir cu it for a sh or t t o t h e Sen sor
Gr ou n d cir cu it .
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Repa ir t h e MAF Sen sor 5 Volt Su pply cir cu it for a sh or t t o gr ou n d.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 15
DRI V EABI LI T Y - DI ESEL
23
AP P LICAB ILITY
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