Dodge Sprinter 2006 - Page 473

TE S T ACTION AP PLICAB ILITY
4 Tur n th e ign it ion off.
Discon n ect t he F u el P r essu r e Sen sor ha r n ess con n ector.
Discon n ect t he E CM ha r n ess con n ect or s.
Mea su r e th e resista n ce of t h e Sensor Gr ou n d circu it .
Is t h e resista n ce below 10.0 ohm s?
All
Ye s → Go To 5
No → Repa ir th e Sen sor Gr ou n d cir cu it for an open.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
5 Tur n th e ign it ion off.
Discon n ect t he F u el P r essu r e Sen sor ha r n ess con n ector.
Discon n ect t he E CM ha r n ess con n ect or s.
Mea su r e th e resista n ce of t h e Fu el P r essu r e Sen sor 5-Volt Su pply cir cu it.
Is t h e resista n ce below 10.0 ohm s?
All
Ye s → Go To 6
No → Repa ir t he Fu el P r essu r e Sensor 5-volt Su pply cir cu it for an open .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
6 Tur n th e ign it ion off.
Discon n ect t he F u el P r essu r e Sen sor ha r n ess con n ector.
Discon n ect t he E CM ha r n ess con n ect or s.
Rem ove t h e E ngin e Con t r ol Rela y.
Con n ect a ju mper wir e bet ween ca vit y 30 a n d ca vit y 87 of t h e En gin e Con t r ol Rela y
conn ect or.
Tur n th e ign it ion on .
Mea su r e t h e volt a ge of t h e Sen sor Gr ou n d cir cuit a t t h e F u el Pr essu r e Sen sor a n d
ECM h a rn ess con n ect ors.
Is t h e volt a ge above 1.0 volt at eit h er conn ect or ?
All
Ye s → Repa ir t h e Sen sor Gr ou n d cir cu it for a sh or t t o volt a ge.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 7
NOTE: If the Sensor Ground circuit had a short to voltage on it, the ECM
could be damaged. Retest the Fuel Pressure Sensor circuit.
7 Tur n th e ign it ion off.
Discon n ect t he F u el P r essu r e Sen sor ha r n ess con n ector.
Con n ect a ju m per wir e bet ween th e F u el P r essu r e Sen sor Sign a l cir cu it an d t h e
Sen sor Gr ou n d cir cu it in th e F u el Pr essu r e Sen sor h a r n ess con n ect or.
Tur n th e ign it ion on a nd m on itor t h e DRB for DTCs.
Is DTC P0190 FU EL PRE SS SE NSOR CIRCU IT MALF SIGNAL VOLTAGE TOO
LOW pr esen t ?
All
Ye s → Repla ce th e F uel Pr essu r e Sen sor.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 8
8 If t h er e ar e no possible cau ses r em a in ing, view repa ir. All
Repa ir
Repla ce a n d pr ogr a m th e En gin e Con t rol Module in a ccor da nce
wit h th e Ser vice In for m a t ion .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
55
DRI V EABI LI T Y - DI ESEL
P 0190-F U EL P RES S S EN SOR CIRCUIT MALF SIGN AL VOLTAGE TOO
HIGH —
Co n t in ued