Symptom:
*CHECKIN G THE F UEL QU AN TITY S OLEN OID 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 Qu a n tit y Solen oid h a r n ess con n ect or.
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 h e r esist a n ce of bot h Fu el Qu a nt it y Solen oid cir cu it s bet ween t h e E CM
ha r n ess con n ect or a n d t h e Fu el Qu a n t it y Solen oid h a r n ess con n ect or.
Is t h e resista n ce below 10.0 ohm s for bot h mea su rem en t s?
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.
234
DRI V EABI LI T Y - DI ESEL
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