Dodge Sprinter 2006 Manual page 529

P 2010-MAS S AIR F LOW S EN S OR N EGATIVE D EVIATION —
TES T
1 N OTE: In s p e c t th e tu rbo c h a rg e r in le t tu be be tw e e n th e MAF S e n s o r a n d th e
tu rbo c h a rg e r 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 MAF P la u s ibility D TC.
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 WARN IN G: WHEN THE EN GIN E IS OP ERATIN G, D O N OT S TAN D IN A
D IRECT LIN E WITH THE FAN . D O N OT P U T YOU R HAN D S N EAR THE
P U LLEYS , B ELTS OR FAN . D O N OT WEAR LOOS E CLOTHIN G.
N OTE: Th e c o n d itio n s th a t s e t th e D TC a re n o t p re s e n t a t th is tim e . Th e
fo llo w in g lis t m a y h e lp in id e n tify in g th e in te rm itte n t c o n d itio n .
Wit h t h e en gin e r u n n in g a n d a t n or m a l oper a t in g t em per a t u r e, m on it or t h e DRB
pa r a m et er s r ela t ed t o t h e DTC wh ile wigglin g t h e wir in g h a r n ess. Look for pa r a m -
et er va lu es t o ch a n ge a n d/or a DTC t o set .
Review t h e DTC Wh en Mon it or ed a n d Set Con dit ion s. If possible, t r y t o du plica t e t h e
con dit ion s u n der wh ich t h e DTC wa s set .
Refer t o a n y Tech n ica l Ser vice Bu llet in s (TSB) t h a t m a y a pply.
Visu a lly in spect t h e r ela t ed wir in g h a r n ess. Look for a n y ch a fed, pier ced, pin ch ed, or
pa r t ia lly br oken wir es.
Visu a lly in spect t h e r ela t ed wir in g h a r n ess con n ect or s. Look for br oken , ben t , pu sh ed
ou t , or cor r oded t er m in a ls.
Wer e a n y of t h e a bove con dit ion s pr esen t ?
Yes
No
ACTION
→ Repla ce t h e MAF Sen sor.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 2
→ Repa ir a s n ecessa r y.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Test Com plet e.
DRI V EABI LI T Y - DI ESEL
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