Symptom:
*CHECKIN G THE F UEL P RES SU RE S EN SOR CIRCU ITS
POSSIBLE CAUSES
OP E N CIRCU ITS
TE S T ACTION AP PLICAB ILITY
1 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.
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. Repair as n ecessa r y.
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. Repa ir a s n ecessa r y.
Mea su r e t he r esist a n ce of ea ch of th e t h r ee F u el P r essu r e Sen sor cir cu it s bet ween t h e
ECM h a rn ess con n ect or an d t h e Fu el P r essu r e Sen sor h a r n ess con n ect or.
Is t h e resista n ce below 10.0 ohm s for ea ch mea su rem en t ?
All
Ye s → Test Com plete.
No → Repa ir open cir cu it (s) as n ecessa r y.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
232
DRI V EABI LI T Y - DI ESEL
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