TE S T ACTION AP PLICAB ILITY
3 NOTE: Inspect all air intake and turbocharger related tubes for damage,
re stric tio n o r p oor co nn ectio n. Any of th ese c on dition s c an c au se a th is DTC
to set.
Tur n th e ign it ion off.
In spect a ll a ir in t a ke a nd t u r boch a r ger r ela t ed t ubes a n d con n ect ion s.
Wer e an y pr oblem s fou n d?
All
Ye s → Repa ir or repla ce as n ecessa r y.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 4
4 Tur n th e ign it ion off.
Rem ove t h e In t a ke Air Tem per a t u r e Sensor.
Con n ect sm oke m a ch in e 84-04 t o th e In t a ke Air Temper a t u r e Sen sor por t in t h e
in t a ke du ct an d begin in ject in g sm oke int o th e in t a ke syst em .
Obser ve all in t a ke syst em compon en t s for eviden ce of sm oke lea ka ge.
Is t h er e eviden ce of sm oke lea ka ge?
All
Ye s → Repa ir or repla ce as n ecessa r y.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 5
5 Tur n th e ign it ion off.
Repla ce t h e Boost Pr essu r e Ser vo Mot or in a ccor da nce with th e Service In for m a t ion .
NOTE: Ensure the ECM and Boost Pressure Servo Motor harness connec-
tors are connected.
Test drive th e veh icle.
Wit h th e DRB, ch eck for t h is DTC to set aga in .
Did t h is DTC set a ga in ?
All
Ye s → Repla ce th e Tu r boch a r ger a ssem bly 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.
No → Repla ce th e Boost Pr essur e Ser vo Mot or.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
6 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.
217
DRI V EABI LI T Y - DI ESEL
P 2359-B OOS T P RES S URE TOO HIGH — Co n t i n u ed
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