Dodge Sprinter 2006 Manual page 439

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
1 N OTE: If D TC P 1611, P 2306 o r P 2332 is p re s e n t w ith th is D TC, d ia g n o s e
D TCs P 1611, P 2306 o r P 2332 be fo re d ia g n o s in g th is D TC.
N OTE: In s p e c t a ll a ir in ta k e a n d tu rbo c h a rg e r re la te d tu be s fo r d a m a g e ,
re s tric tio n o r p o o r c o n n e c tio n . An y o f th e s e c o n d itio n s c a n c a u s e a th is D TC
to s e t.
N OTE: If th e ECM d e te c ts a n d s to re s a D TC, th e ECM a ls o s to re s th e
e n g in e /v e h ic le o p e ra tin g c o n d itio n s u n d e r w h ic h th e D TC w a s s e t. S o m e o f
th e s e c o n d itio n s a re d is p la y e d o n th e D RB a t th e s a m e tim e th e D TC is
d is p la y e d .
N OTE: B e fo re e ra s in g s to re d D TCs , re c o rd th e s e c o n d itio n s . Atte m p tin g to
d u p lic a te th e s e c o n d itio n s m a y a s s is t w h e n c h e c k in g fo r a n a c tiv e D TC.
Tu r n t h e ign it ion on .
Wit h t h e DRBIII , er a se t h e E CM DTCs.
Test dr ive t h e veh icle.
Wit h t h e DRBIII , r ea d t h e E CM DTCs.
Does t h e DRB III displa y a Ma ss Air F low Sen sor DTC?
Yes
No
2 N OTE: Ch e c k th e ECM fo r o th e r ECM D TC's re la te d to c irc u its th a t a re
o p e n , s h o rte d to g ro u n d o r lo w v o lta g e p ro ble m s .
Does t h e DRB a lso displa y t h ese t ype of DTC's?
Yes
No
3 Tu r n t h e ign it ion off.
Discon n ect t h e E CM h a r n ess con n ect or s.
Tu r n t h e ign it ion on .
Con n ect a ju m per wir e bet ween gr ou n d a n d t h e E n gin e Con t r ol Rela y Sign a l cir cu it
in E CM C2 h a r n ess con n ect or ca vit y 44.
Usin g a 12-volt t est ligh t con n ect ed t o gr ou n d, ch eck t h e F u sed E n gin e Con t r ol Rela y
Ou t pu t cir cu it s a t t h e E CM C1 h a r n ess con n ect or ca vit ies 1, 3 a n d 5.
Does t h e t est ligh t illu m in a t e br igh t ly for ea ch cir cu it ?
Yes
No
4 N OTE: A m a lfu n c tio n in g EGR s y s te m c a n c a u s e th is D TC to s e t. Re fe r to
s y m p to m Ch e c k in g th e EGR S y s te m in th e D riv e a bility c a te g o ry to c h e c k
EGR s y s te m o p e ra tio n .
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 of t h e MAF Sen sor 5 Volt Su pply cir cu it in MAF Sen sor h a r n ess
con n ect or.
Is t h e volt a ge bet ween 4.8 a n d 5.2 volt s?
Yes
No
ACTION
→ Go To 2
→ Go To 16
→ Go To 3
→ Go To 4
→ Go To 4
→ Refer t o sym pt om list a n d per for m Ch eckin g t h e E CM P ower a n d
Gr ou n ds.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 5
→ Go To 12
DRI V EABI LI T Y - DI ESEL
21
AP P LICAB ILITY
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