AEM Ethanol Content Flex Fuel Sensor Kit 6 AN 302201 User Manual

							Sen so r K it
F le x F uel 
3 0-2 200, 3 0-2 201
AEM  P erfo rm ance E le ctr o nic s
A EM  P erfo rm ance E le ctr o nic s, 2 205 1 26th  S tr e et U nit  A , H aw th orn e, C A 9 0250
P hone: ( 3 10) 4 84-2 322  F a x: ( 3 10) 4 84-0 152
h ttp ://w ww.a em ele ctr o nic s.c om
I n str u ctio n P art N um ber: 1 0-2 20X
D ocum ent B uild  4 /2 0/2 016
T
HIS  P RO DUC T IS  L E G AL IN  C ALIF O RNIA  F O R R AC IN G  V EHIC LE S O NLY
A ND  S HO ULD  N EVER B E U SED  O N P UB LIC  H IG HW AYS. 
						

							Fle x F uel S enso rs
2
© 2 016 A EM  P erfo rm ance E le ctr o nic s
T he A EM  F le x F uel  E th anol  C onte nt S ensor K it  p ro vid es th e a bilit y  to  m easure  a  v e hic le s  fu el  e th anol
c onte nt a nd te m pera tu re .  T he s ensor m ay b e c onnecte d to  a  d is pla y, d ata  lo gger, o r e ngin e
m anagem ent s yste m .  U sers  m ay o ptim iz e e ngin e c alib ra tio n fo r c urre nt fu el  c onte nt, in  re al  tim e, w hen
t h e s ensor is  in te gra te d w it h  a  s ta ndalo ne e ngin e m anagem ent s yste m  s uch a s th e A EM  In fin it y  o r
S erie s 2  E CUs.  T he k it  c om es w it h  a  p lu g a nd p in  k it  fo r e le ctric al  c onnectio ns a s w ell  a s -6 A N (P /N  3 0-
2 201) o r h ose b arb  (P /N  3 0-2 200) fit tin gs fo r in te gra tio n in to  th e fu el  s yste m .
30-2 200 F LEX  F U EL S EN SO R K IT , B ARBED
Qty
PN
Descrip tio n
1 3-2 200-3
CO NNEC TO R, F LE X  F U EL 3  P IN
3 3-2 200-S
TER M IN AL, 3 -2 200-3
3 3-2 200-W
WIR E S EA L, 3 -2 200-S
1 35-2 200
SEN SO R, F LE X  F U EL
1 35-2 201
FIT TIN G, B A RB T O  3 /8 S A E 2 P K
30-2 201 F LEX  F U EL S EN SO R K IT , -6 A N
Qty
PN
Descrip tio n
1 3-2 200-3
CO NNEC TO R, F LE X  F U EL 3  P IN
3 3-2 200-S
TER M IN AL, 3 -2 200-3
3 3-2 200-W
WIR E S EA L, 3 -2 200-S
1 35-2 200
SEN SO R, F LE X  F U EL
2 35-2 202
FIT TIN G, - 6 A N  T O  3 /8 S A E 
						

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© 2 016 A EM  P erfo rm ance E le ctr o nic s
F le x F uel  is  a  fu el  m ix tu re  o f  e th anol  (a lc ohol)  a nd g asolin e. It  is  ty pic ally  m ade fr o m  c orn  (o r s ugar
c ane) a nd is  u sed fo r c le aner e m is sio ns, h ig her o cta ne, a nd is  le ss e xpensiv e  p er v o lu m e. H ow eve r,
e th anols  e nerg y d ensit y  is  lo w er s o g as m ile age is  c om pro m is ed. B ut fr o m  a  p erfo rm ance s ta ndpoin t,
t h e e xtra  fu el  lo w ers  e xhaust g as te m pera tu re s w hic h is  a  b enefit . F urth erm ore , e th anol  h as a  h ig her
l a te nt h eat o f  v a poriz atio n c om pare d to  g asolin e s o a ir  c harg e c oolin g is  fu rth er im pro ve d. W hen b urn in g
e th anol,  th e fu el  tu nin g s hould  b e b ased o n a  o xygen s ensor b ecause re adin g s park  p lu gs is  m uch m ore
c halle ngin g a s th e c olo r is  n ot a s e vid ent.
F le x F uel C om posit io n
G asolin e a nd e th anol  h ave  d iffe re nt c om posit io ns: G asolin e: H 1.6 5C , E th anol:  C 2H 5O H. E th anol  h as
o xygen a s p art o f  it s  s tru ctu re  (g asolin e d oes n ot) a nd is  o ft e n re fe rre d to  a s  o xygenate d g asolin e.
B ecause o f  th is , th e s to ic hio m etry  o f  th e tw o fu els  a re  d ra stic ally  d iffe re nt.
F le x F uel S to ic h io m etr y
G asolin e s to ic hio m etry : 1 4.6 8 A FR
 E 85 s to ic hio m etry : 9 .8 7 A FR  
E th anol  s to ic hio m etry : 9 .0 0 A FR
F le x F uel C onte n t
M ost g as s ta tio ns la bel  th eir  fle x fu el  a s E 85 (8 5%  e th anol  a nd 1 5%  g asolin e). H ow eve r, th is  c an b e v e ry
m is le adin g. M ost c old  c lim ate s u se a  w in te r b le nd w hic h is  E 70. In  o rd er to  d ete rm in e th e p ro per a m ount
o f  b le nd th at is  b ein g u sed a t a ny g iv e n tim e, a  F C S (fu el  c om posit io n s ensor) m ust b e u sed. 
Descrip tio n
Valu e
Batte ry  V olt a ge
9 t o  1 8 V
Maxim um  f lo w
400 l it e rs  p er h our
Opera tin g T e m pera tu re
-4 0 t o  1 50 d egC
*Se nso r O utp ut ( 1 2V ) P ull- U p R esis to r
2.2  -  1 0.0  k O hm
* S en so r O utp ut P ull- U p R esis to r
A  p ull- u p re sis to r is  N O T re quir e d w hen th e A EM  E th anol  C onte nt S ensor is  u sed w it h  a n A EM  In fin it y  o r
S erie s 2  E CU.  P le ase c onsult  th e a ppro pria te  m anufa ctu re r w hen u sin g th e c onte nt s ensor w it h  th ir d
p arty  d evic es.  A  re sis to r (2 .2  - 1 0.0  k O hm ) m ay n eed to  b e p la ced b etw een p in s 1  (V out - S ensor
O utp ut) a nd 3  (V cc - B atte ry  1 2V .)
S en so r P in out 
						

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© 2 016 A EM  P erfo rm ance E le ctr o nic s
Pin
Descrip tio n
1 Vcc -  B atte ry  1 2V
2 GN D -  B atte ry  G ro und
3 Vout -  S e nso r O utp ut
S en so r O utp ut
T he A EM  F le x F uel  E th anol  C onte nt S ensor m easure s th e e th anol  c onte nt p erc enta ge a nd fu el
t e m pera tu re  o f  th e flu id  p assin g th ro ugh it .  T he fr e quency o f  th e o utp ut s ig nal  is  lin early  re la te d th e
e th anol  p erc enta ge o f  th e fu el.   T he n egativ e  p uls e w id th  o f  th e o utp ut s ig nal  is  lin early  p ro portio nal  to  th e
t e m pera tu re  o f  th e fu el.   P le ase re fe re nce F ig ure  1 .
Descrip tio n 
Calib ra tio n
Conve rs io n F o rm ula
Eth an ol C onte nt
( % )
50 H ertz  =  0 %  e th an ol
1 50 H ertz  =  1 00%  e th an ol
eth an ol %  =  [  F re quency  ( H z) -  5 0 ]
F u el T e m pera tu re
( d egC )
1 m illis e co nd p uls e w id th  =  - 4 0
d egC
5  m illis e co nds p uls e w id th  =  1 25
d egC
degC  =  [  4 1.2 5 *  P uls e w id th  ( m s) ]  -  8 1.2 5 
Fig ure  1
E C U / D ata lo gger
P le ase re fe re nce th e s pecific  E CU o r d ata lo gger m anual  fo r p in out a nd/o r tu nin g in fo rm atio n.  T he fle x
f u el  s ensor m ust b e c onnecte d to  a  1 2V  to le ra nt d ig it a l/ fr e quency ty pe in put w it h  a n in te rn al  p ull- u p; if  a n
i n put w it h  a n in te rn al  p ull- u p is  n ot a va ila ble  th en o ne m ust b e p la ced e xte rn ally  in  th e h arn ess. 
						

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© 2 016 A EM  P erfo rm ance E le ctr o nic s
T he s ensor m ust b e in sta lle d in  th e fu el  re tu rn  lin e b etw een th e fu el  p re ssure  re gula to r a nd th e fu el  ta nk,
r e fe re nce F ig ure  2 .  T he s ensor m ay b e in sta lle d in  a ny o rie nta tio n; th e d ir e ctio n o f  flo w  th ro ugh th e
s ensor d oes n ot m atte r.  It  s hould  b e n ote d th at th e e ntir e ty  o f  th e fu el  flo w  re tu rn in g fr o m  th e fu el  ra il  is
n ot re quir e d to  tra ve l  th ro ugh th e s ensor.  T his  m ay b e u sefu l  o n v e ry  h ig h flo w  s yste m s w it h  a  la rg er
t h an ty pic al  re tu rn  lin e.  In  th ese c ases, th e s ensor c an b e ru n in  a  s m alle r p ara lle l  c ir c uit  to  m easure
j u st a  p ortio n o f  th e re tu rn  flo w  s o th at th e s ensor d oes n ot b ecom e a  re stric tio n fo r th e e ntir e ty  o f  th e
r e tu rn  fu el  flo w .
Fig ure  2  -  In sta ll E th an ol C onte nt S ensor in  F u el R etu rn  L in e
T he A EM  F le x F uel  E th anol  C onte nt S ensor K it  is  a va ila ble  w it h  e it h er b arb ed o r -6 A N fit tin g a dapte rs  a s
s how n in  F ig ure  3 .  P le ase e nsure  th at th ese a re  in sta lle d s ecure ly  a nd v e rify  th e s yste m  is  c om ple te ly
l e ak fr e e b efo re  p ro ceedin g.
Barb ed F ittin gs
-6 A N F ittin gs
Fig ure  3  -  S ensor F u el F it tin g A dap te rs 
						

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© 2 016 A EM  P erfo rm ance E le ctr o nic s
A dva nced  E ngin e  M anagem ent In c. w arra nts  to  th e  c onsum er th at a ll  A EM  H ig h  P erfo rm ance  p ro ducts
w ill  b e fr e e fr o m  d efe cts  in  m ate ria l  a nd  w ork m anship  fo r a  p erio d  o f tw elv e  (1 2) m onth s  fr o m  d ate  o f th e
o rig in al p urc hase. P ro ducts  th at fa il  w it h in  th is  1 2-m onth  w arra nty  p erio d  w ill  b e  re pair e d  o r re pla ced  a t
A EM ’s  o ptio n,  w hen  d ete rm in ed  b y  A EM  th at  th e  p ro duct  fa ile d  d ue  to  d efe cts  in  m ate ria l  o r
w ork m anship . T his  w arra nty  is  lim it e d to  th e re pair  o r re pla cem ent o f  th e A EM  p art. In  n o  e ve nt s hall  th is
w arra nty  e xceed  th e  o rig in al p urc hase  p ric e  o f th e  A EM  p art  n or s hall  A EM  b e  re sponsib le  fo r s pecia l,
i n cid enta l  o r c onsequentia l  d am ages o r c ost in curre d  d ue  to  th e  fa ilu re  o f th is  p ro duct.  W arra nty  c la im s
t o  A EM  m ust b e  tra nsporta tio n  p re paid  a nd  a ccom panie d  w it h  d ate d  p ro of o f p urc hase. T his  w arra nty
a pplie s  o nly  to  th e  o rig in al p urc haser o f p ro duct a nd  is  n on-tra nsfe ra ble . A ll  im plie d  w arra ntie s  s hall  b e
l im it e d  in  d ura tio n  to  th e  s aid  1 2-m onth  w arra nty  p erio d. Im pro per u se  o r in sta lla tio n, a ccid ent,  a buse,
u nauth oriz ed  re pair s  o r a lt e ra tio ns  v o id s  th is  w arra nty . A EM  d is cla im s a ny  lia bilit y  fo r c onsequentia l
d am ages  d ue  to  b re ach  o f a ny  w rit te n  o r im plie d  w arra nty  o n  a ll  p ro ducts  m anufa ctu re d  b y  A EM .
W arra nty  re tu rn s  w ill  o nly  b e  a ccepte d  b y  A EM  w hen  a ccom panie d  b y  a  v a lid  R etu rn  M erc handis e
A uth oriz atio n (R M A) n um ber.  P ro duct m ust b e re ceiv e d b y  A EM  w it h in  3 0  d ays  o f th e  d ate  th e  R M A is
i s sued.
U EG O o xygen s ensors  a re  c onsid ere d w ear it e m s a nd a re  n ot c ove re d u nder w arra nty .
P le ase  n ote  th at b efo re  A EM  c an  is sue  a n  R M A fo r a ny  e le ctro nic  p ro duct,  it  is  fir s t n ecessary  fo r th e
i n sta lle r o r e nd  u ser to  c onta ct th e  E M S te ch  lin e  a t 1 -8 00-4 23-0 046  to  d is cuss  th e  p ro ble m .  M ost
i s sues c an b e re solv e d o ve r th e p hone.  U nder n o c ir c um sta nces s hould  a  s yste m  b e  re tu rn ed  o r a  R M A
r e queste d b efo re  th e a bove  p ro cess tra nspir e s.
A EM  w ill  n ot b e  re sponsib le  fo r e le ctro nic  p ro ducts  th at a re  in sta lle d  in corre ctly , in sta lle d  in  a  n on-
a ppro ve d a pplic atio n, m is used, o r ta m pere d w it h . 
A ny  A EM  e le ctro nic s  p ro duct c an  b e  re tu rn ed  fo r re pair  if  it  is  o ut o f th e  w arra nty  p erio d. T here  is  a
m in im um  c harg e o f  $ 50.0 0 fo r in spectio n a nd d ia gnosis  o f  A EM  e le ctro nic  p arts . P arts  u sed  in  th e  re pair
o f  A EM  e le ctro nic  c om ponents  w ill  b e  e xtra . A EM  w ill  p ro vid e  a n  e stim ate  o f re pair s  a nd  re ceiv e  w rit te n
o r e le ctro nic  a uth oriz atio n b efo re  re pair s  a re  m ade to  th e p ro duct.