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 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.
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 th e volt a ge of th e F uel Pr essu r e Solen oid Con t r ol cir cu it .
Is t h e volt a ge below 1.0 volt ?
All
Ye s → Go To 5
No → Repa ir t h e Fu el P r essu r e Solen oid Con t r ol cir cu it for a sh or t t o
volt a ge.
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 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.
Mea su r e t h e r esist a nce bet ween gr oun d a n d t h e Fu el P r essu r e Solen oid Con t r ol
cir cu it .
Mea su r e t h e r esist a nce bet ween gr ou n d an d t h e F u el Pr essu r e Solen oid 12-volt
Supply
Is t h e resista n ce a bove 1000 ohm s for bot h mea su rem en t s?
All
Ye s → Go To 6
No → Repa ir t h e Fu el Pr essu r e Solen oid cir cu it (s) for a sh ort to gr oun d.
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 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.
Mea su r e th e resista n ce of t h e Fu el P r essu r e Solen oid Con t r ol cir cu it .
Mea su r e th e resista n ce of t h e Fu el P r essu r e Solen oid 12-volt Su pply cir cuit .
Is t h e resista n ce below 10.0 ohm s for bot h mea su rem en t s?
All
Ye s → Go To 7
No → Repa ir th e F u el Pr essu r e Solen oid circu it (s) for a n open .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
175
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