TE S T ACTION AP PLICAB ILITY
5 Wit h th e DRBIII", select Syst em Test , Sm oot h E ng Ru n Check , t h en Cor r ect ion
Qu a n t it y Ch eck.
Per for m t h is t est a t Idle, 2000 r pm an d 3000 r pm .
NOTE:Readings per cylinder should be below ± 0.00450 mm
3
/st ro k e fo r e a c h
cylinder at each engine speed.
Did a n y of t h e cy lin der s exceed ± 0.00450 m m
3
/st r oke du r in g t h is t est ?
All
Ye s → Repla ce F u el In jector of t h e cylin der (s) t h a t h a d r ea din gs above ±
0.00450 m m
3
/st r oke.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 6
6 Wit h t h e DRBIII", select Syst em Test , Sm oot h E n g Ru n Ch eck , t h en Cylin der Speed
Ch eck .
NOTE:Readings for all cylinders should be close to each other. Look for one
or two cylinders to differ high or low from the other cylinders.
Did a n y of t he cylinder s differ sign ifica n t ly fr om th e ma jor it y of t h e oth er cylinder s?
All
Ye s → Repla ce Fu el In ject or of t h e cylin der (s) t h a t ha d r ea din gs sign if-
ica n t ly a bove or below t he ot h er fuel inject or s.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 7
7 Tur n th e ign it ion off.
Per for m t h e INJ ECTOR LE AKAGE TE ST in a ccor da n ce wit h t h e Ser vice In for m a -
tion .
Wer e an y pr oblem s fou n d?
All
Ye s → Repa ir or repla ce a s n ecessa r y in accor da n ce wit h t he Ser vice
In for m a t ion .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Test Com plet e.
8 WARN IN G: WHEN THE E N GIN E IS OP ERATIN G, D O N OT STAN D IN A
DIR ECT LIN E WITH THE FAN . D O N OT P UT YOU R HAN D S NEAR THE
P ULLEYS , B ELTS OR FAN . D O NOT WEAR LOOS E CLOTHIN G.
NOTE: The conditions that set the DTC are not present at this time. The
fo ll o wi n g l is t ma y h e l p i n id en t i fy ing the i n t e rmi tt e nt c o nd i ti o n .
Wit h t h e en gin e r u n n in g a t n or m a l oper a t in g t em per a t u r e, m onit or t h e DRB
pa r a m et er s rela ted t o t h e DTC while wiggling th e wir ing ha r n ess. Look for pa r a m -
et er va lu es t o ch a n ge a n d/or a DTC to set .
Review t h e DTC Wh en Monit or ed a n d Set Con dit ion s. If possible, t r y to du plica t e t h e
condit ion s u n der wh ich t h e DTC wa s set .
Refer t o a n y Tech n ica l Service Bu llet in s (TSB) t h a t m a y a pply.
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.
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.
Wer e an y of t h e above condit ion s pr esen t ?
All
Ye s → Repa ir a s n ecessa ry.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Test Com plet e.
68
DRI V EABI LI T Y - DI ESEL
P 0300-MISF IRE DETECTED — Co nt inued
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