TE S T ACTION AP PLICAB ILITY
8 Tur n th e ign it ion off.
Rem ove a n d in spect Fu se #16 from F u se Block N o.1
Is t h e fuse open ?
All
Ye s → Go To 9
No → Go To 11
9 Tur n th e ign it ion off.
Discon n ect t he E CM ha r n ess con n ect or s.
In st all a good fu se in pla ce of F u se #16 in Fu se Block No.1
Con n ect a ju m per wir e bet ween gr ou n d a n d t h e En gin e Con t r ol Rela y Con t r ol cir cu it
in ECM C2 h a r ness con n ect or cavit y 44.
Rem ove a n d in spect Fu se #16 from F u se Block N o.1.
Is t h e fuse open ?
All
Ye s → Repa ir t he En gin e Con t rol Rela y Ou t pu t cir cu it for a sh ort t o
gr ou n d.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 10
10 Th e F u el In jector s, Cr a n kca se H ea t er, Wa t er In Fu el Sen sor a nd r ela t ed cir cu it s ca n
cau se F u se #16 in F u se Block No.1 t o open . U se t h e Service In for m a t ion Wirin g
Dia gr a m s a n d check th ese cir cu it s/com pon en t s for sh or t ed cir cu it s.
Wer e an y pr oblem s fou n d.
All
Ye s → Repa ir or repla ce sh or t ed cir cu it /com pon en t a s n ecessa ry.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Repla ce a n d progr a m t h e E CM 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.
11 Tur n th e ign it ion off.
Discon n ect t he E CM ha r n ess con n ect or s.
Con n ect a ju m per wir e bet ween gr ou n d a n d t h e En gin e Con t r ol Rela y Con t r ol cir cu it
in ECM C2 h a r ness con n ect or cavit y 44.
Tur n th e ign it ion on .
Usin g a 12-volt test ligh t con n ect ed to grou n d, ch eck th e Fu sed En gin e Con t r ol Rela y
Ou t pu t cir cuit s a t th e ECM C2 h a rn ess con n ect or cavit ies 1, 3 an d 5.
Ch oose th e appropr ia t e resu lt .
All
Test ligh t is on for a ll cir cu it s.
Test Com plete.
Test ligh t is on for 1 or 2 circu it s
Repa ir t h e E n gin e Con t r ol Rela y Ou t pu t cir cu it(s) for a n open .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
Ligh t off for all cir cu its.
Go To 12
237
DRI V EABI LI T Y - DI ESEL
*CHECKIN G THE P OWER AN D GROUN D S — Co nt in ued