Dodge Sprinter 2006 Manual page 920

8J - 6 INSTRUMENT CLUSTER
INDICA TORS
In dica t or s a r e loca t ed in va r iou s posit ion s wit h in
t h e E MIC a n d a r e a ll con n ect ed t o t h e E MIC elec-
t r on ic cir cu it boa r d. Th e a m bien t t em per a t u r e in dica -
t or (opt ion a l), br a ke in dica t or, br a ke wea r in dica t or,
ch a r gin g in dica t or, coola n t low in dica t or, h igh bea m
in dica t or, low fu el in dica t or, pa r k br a ke in dica t or,
sea t belt in dica t or, t u r n sign a l in dica t or s, a n d wa sh er
flu id in dica t or oper a t e ba sed u pon h a r d wir ed in pu t s
t o t h e E MIC. Th e a ir ba g (SRS) in dica t or is n or m a lly
con t r olled by a h a r d wir ed in pu t fr om t h e Air ba g
Con t r ol Modu le (ACM); h owever, if t h e E MIC sees a n
a bn or m a l or n o in pu t fr om t h e ACM, it will a u t om a t -
ica lly t u r n t h e a ir ba g in dica t or On u n t il t h e h a r d
wir ed in pu t fr om t h e ACM h a s been r est or ed. Th e
Ma lfu n ct ion In dica t or La m p (MIL) is n or m a lly con -
t r olled by CAN da t a bu s m essa ges fr om t h e E n gin e
Con t r ol Modu le (E CM); h owever, if t h e E MIC loses
CAN da t a bu s com m u n ica t ion , t h e E MIC cir cu it r y
will a u t om a t ica lly t u r n t h e MIL on u n t il CAN da t a
bu s com m u n ica t ion is r est or ed. Th e E MIC u ses CAN
da t a bu s m essa ges fr om t h e E CM, t h e ACM, a n d t h e
Con t r oller An t ilock Br a ke t o con t r ol a ll of t h e
r em a in in g in dica t or s.
Th e va r iou s E MIC in dica t or s a r e con t r olled by dif-
fer en t st r a t egies; som e r eceive ba t t er y feed fr om t h e
E MIC cir cu it r y a n d h a ve a swit ch ed gr ou n d, wh ile
ot h er s a r e gr ou n ded t h r ou gh t h e E MIC cir cu it r y a n d
h a ve a swit ch ed ba t t er y feed. H owever, a ll in dica t or s
a r e com plet ely con t r olled by t h e E MIC m icr opr oces-
sor ba sed u pon va r iou s h a r d wir ed a n d elect r on ic
m essa ge in pu t s. E xcept for t h e in dica t ion s pr ovided
by t h e m u lt i-fu n ct ion in dica t or Liqu id Cr yst a l Dis-
pla y (LCD) u n it , a ll in dica t or s a r e illu m in a t ed a t a
fixed in t en sit y, wh ich is n ot a ffect ed by t h e select ed
illu m in a t ion in t en sit y of t h e E MIC gen er a l illu m in a -
t ion la m ps.
Th e h a r d wir ed in dica t or in pu t s m a y be dia gn osed
u sin g con ven t ion a l dia gn ost ic m et h ods. H owever,
pr oper t est in g of t h e E MIC cir cu it r y a n d t h e CAN
bu s m essa ge con t r olled in dica t or s r equ ir es t h e u se of
a dia gn ost ic sca n t ool. Refer t o t h e a ppr opr ia t e dia g-
n ost ic in for m a t ion . Specific det a ils of t h e oper a t ion
for ea ch in dica t or m a y be fou n d elsewh er e in t h is
ser vice in for m a t ion .
CLUSTER ILLUMINA TION
Th e E MIC h a s sever a l gen er a l illu m in a t ion la m ps
t h a t a r e illu m in a t ed wh en t h e ext er ior ligh t in g is
t u r n ed on wit h t h e m u lt i-fu n ct ion swit ch . Th e illu m i-
n a t ion in t en sit y of t h ese la m ps is a dju st ed by a dim -
m in g level in pu t r eceived fr om t h e m u lt i-fu n ct ion
in dica t or "+" (plu s) a n d "–" (m in u s) swit ch pu sh bu t -
t on s t h a t ext en d t h r ou gh t h e lower edge of t h e clu s-
t er len s below t h e r igh t en d of t h e m u lt i-fu n ct ion
in dica t or. Wh en t h e ext er ior ligh t in g is t u r n ed Off,
t h e displa y is illu m in a t ed a t m a xim u m br igh t n ess.
Wh en t h e ext er ior ligh t in g is t u r n ed On a n d t h e
t r a n sm ission gea r select or is in t h e P a r k posit ion ,
depr essin g t h e plu s swit ch pu sh bu t t on br igh t en s t h e
displa y ligh t in g, a n d depr essin g t h e m in u s swit ch
pu sh bu t t on dim s t h e displa y ligh t in g. Th e E MIC
a lso pr ovides a P u lse-Widt h Modu la t ed (P WM) pa n el
la m ps dim m er ou t pu t t h a t ca n be u sed t o syn ch r o-
n ize t h e illu m in a t ion ligh t in g levels of ext er n a l illu -
m in a t ion la m ps (u p t o a bou t 23 t o 30 wa t t s) wit h
t h a t of t h e E MIC.
Th e h a r d wir ed m u lt i-fu n ct ion swit ch in pu t a n d
t h e E MIC pa n el la m ps dim m er ou t pu t m a y be dia g-
n osed u sin g con ven t ion a l dia gn ost ic m et h ods. H ow-
ever, pr oper t est in g of t h e P WM con t r ol of t h e E MIC
a n d t h e elect r on ic dim m in g level in pu t s fr om t h e
m u lt i-fu n ct ion in dica t or pu sh bu t t on s r equ ir es t h e
u se of a dia gn ost ic sca n t ool. Refer t o t h e a ppr opr ia t e
dia gn ost ic in for m a t ion .
INPUT AND OUTPUT CIRCUITS
HARD WIRED INPUTS
Th e h a r d wir ed in pu t s t o t h e E MIC in clu de t h e fol-
lowin g:
NOTE: Final approved circuit names were not yet
available at the time this information was compiled.
• Airba g In d ic a to r D riv e r
• Am bie n t
Te m p e ra tu re
(Op tio n a l)
• B ra k e We a r In d ic a to r S e n s e
• Ch a rg in g In d ic a to r D riv e r
• Co o la n t Le v e l S w itc h S e n s e
• F ro n t D o o r J a m b S w itc h S e n s e
• F u e l Le v e l S e n s o r S ig n a l
• F u s e d B (+)
• F u s e d Ig n itio n S w itc h Ou tp u t
• Hig h B e a m In d ic a to r D riv e r
• Ke y -In Ig n itio n S w itc h S e n s e
• Le ft Tu rn S ig n a l
• P a rk B ra k e S w itc h S e n s e
• Rig h t Tu rn S ig n a l
• S e a t B e lt S w itc h S e n s e
• Wa s h e r F lu id S w itc h S e n s e (Op tio n a l)
Refer t o t h e a ppr opr ia t e wir in g in for m a t ion for
a ddit ion a l det a ils.
HARD WIRED OUTPUTS
Th e h a r d wir ed ou t pu t s of t h e E MIC in clu de t h e
followin g:
• En g in e Ru n n in g Re la y Co n tro l
• P a n e l La m p s D riv e r
Refer t o t h e a ppr opr ia t e wir in g in for m a t ion for
a ddit ion a l det a ils.
VA
S e n s o r S ig n a l