TE S T ACTION AP PLICAB ILITY
2 Tur n th e ign it ion on .
Wit h th e DRBIII", r ea d t he CAB DTCs.
Are t h ere a n y CAB DTCs?
All
Ye s → Refer t o sym pt om list for pr oblem s r ela t ed to CAB.
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 3
3 NOTE: If the ECM detects and stores a DTC, the ECM also stores the
e n gi n e /ve h ic le o p e ra ti n g c o n d i tio n s u n d e r w h ic h th e D TC w a s s e t. S o m e o f
these conditions are displayed on the DRB at the same time the DTC is
displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to
duplicate these conditions may assist when checking for an active DTC.
Tur n th e ign it ion on .
Wit h th e DRBIII",erasetheECMDTCs.
Tur n th e ign it ion off t h en tu r n t h e ign it ion on an d wa it 60 seconds.
Wit h th e DRBIII",readtheECMDTCs.
Does t h e DRB displa y t h is DTC?
All
Ye s → Repla ce a nd pr ogr a m t h e En gin e Con t r ol Modu le in a ccor da n ce
wit h th e Ser vice In for m a t ion .
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 4
4 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 BODY VERIFICATION TE ST - VE R 1.
No → Test Com plet e.
181
DRI V EABI LI T Y - DI ESEL
P 2203-TORQU E RED UCTION MES S AGE F ROM AB S - CAN P LAU S IBIL
-
ITY —
Co n t in ued
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