TE S T ACTION AP PLICAB ILITY
7 Tur n th e ign it ion off.
Discon n ect t he F u el P r essu r e Solen oid h a r n ess con n ect or.
Tur n th e ign it ion on .
Wit h th e DRB, er a se E CM DTCs.
Mon it or th e DRB for ECM DTCs.
NOTE: Th e D RB sh o u ld dis p la y P 2500-F U EL P RES S U RE S OLEN OID OP EN
CIR CU IT.
Tur n th e ign it ion off.
Con n ect a ju m per wir e bet ween cavit y 1 an d ca vit y 2 of t h e Fu el P r essur e Solen oid
ha r n ess con n ect or.
Tur n th e ign it ion on .
Wit h th e DRB, er a se E CM DTCs.
Mon it or th e DRB for ECM DTCs.
NOTE: Th e DR B s h o u ld d is p la y P 2501-F UE L P RE S SU R E SOLEN OID
SHORT CIRCUIT.
Does t h e DRB displa y t h e appropr ia t e DTC for ea ch con dit ion ?
All
Ye s → Repla ce t he F u el P r essu r e Solen oid in a ccor da n ce wit h t h e
Ser vice In for m a t ion .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Repla ce an d pr ogr a m t h e E ngin e Con t r ol Modu le in a ccor da n ce
wit h th e Ser vice In for m a t ion .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
8 WARN IN G: WHEN THE E N GIN E IS OP ERATIN G, D O N OT STAN D IN A
DIR ECT LIN E WITH THE FAN . D O N OT P UT YOU R HAN D S NEAR THE
P ULLEYS , B ELTS OR FAN . D O NOT WEAR LOOS E CLOTHIN G.
NOTE: The conditions that set the DTC are not present at this time.The
fo ll o wi n g l is t ma y h e l p i n id en t i fy ing the i n t e rmi tt e nt c o nd i ti o n .
Wit h t h e en gin e r u n n in g a t n or m a l oper a t in g t em per a t u r e, m onit or t h e DRB
pa r a m et er s rela ted t o t h e DTC while wiggling th e wir ing ha 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 to set .
Review t h e DTC Wh en Monit or ed a n d Set Con dit ion s. If possible, t r y to du plica t e t h e
condit ion s u n der wh ich t h e DTC wa s set .
Refer t o a n y Tech n ica l Service Bu llet in s (TSB) t h a t m a y a pply.
Visu a lly in spect t h e rela t ed wirin g h a r n ess. Look for a n y ch a fed, pier ced, pin ched, or
pa r t ia lly br oken wir es.
Visu a lly in spect t h e r ela t ed wir ing h a r n ess conn ect or s. Look for br oken , ben t , pu sh ed
out , or cor r oded t er m in a ls.
Wer e an y of t h e above condit ion s pr esen t ?
All
Ye s → Repa ir a s n ecessa ry.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Test Com plet e.
176
DRI V EABI LI T Y - DI ESEL
P 2151-F U EL P RES S S OLEN OID S IGN AL P LAU S IBILITY HIGH —
Co n t in ued
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