AEM Mazda 19862002 13B 20B Rotary NA User Manual

							In fin it y  S upporte d  A pplic atio n
1 986-2 002 M azd a R ota ry  1 3B /2 0B
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 0-3 513
D ocum ent B uild  1 /1 4/2 015
I
n str u ctio n
M an ual
STO P!
 T HIS  P RO DUC T H AS L E G AL R ESTRIC TIO NS. 
      R EAD  T HIS  B EFO RE IN STALLIN G /U SIN G !
T H IS  P R O DUCT M AY B E U SED  S O LELY
 O N V EH IC LES  U SED  IN  S A NCTIO NED  C O MPETIT IO N W HIC H M AY N EV ER  B E U SED  U PO N A
P U BLIC  R O AD O R H IG HW AY, U NLES S P ER M IT TED  B Y  S PEC IF IC  R EG ULA TO RY  E X EM PTIO N. ( V IS IT  T H E “ E M IS SIO NS” P A GE A T H TTP://
W WW.S EM ASA N.C O M/E M IS SIO NS
 F O R S TA TE B Y  S TA TE D ETA IL S .)
I T  IS  T H E R ES PO NSIB IL IT Y  O F T H E IN STA LLER  A ND/O R U SER  O F T H IS  P R O DUCT T O  E N SURE T H A T IT  IS  U SED  IN  C O MPLIA NCE W IT H
A LL A PPLIC A BLE L A W S A ND R EG ULA TIO NS. IF  T H IS  P R O DUCT W AS P U RCHA SED  IN  E R RO R, D O  N O T
 IN STA LL A ND/O R U SE IT . T H E
P U RCHA SER  M UST
 A RRA NG E T O  R ETU RN T H E P R O DUCT F O R A  F U LL R EFU ND.
T H IS  P O LIC Y  O NLY  A PPLIE S  T O  IN STA LLER S A ND/O R U SER S W HO  A RE L O CA TED  IN  T H E U NIT ED  S TA TES ; H O W EV ER  C USTO MER S
W HO  R ES ID E IN  O TH ER  C O UNTR IE S  S HO ULD  A CT IN  A CCO RDA NCE W IT H  T H EIR  L O CA L L A W S A ND R EG ULA TIO NS.
W ARNIN G : T his  in sta lla tio n is  n ot fo r th e tu nin g n ovic e ! U se  th is  s y ste m  w ith  E X TR EM E c a utio n! T he A EM
I n fin ity  P ro gra m mable  E M S a llo w s fo r to ta l fle xib ility  in  e ngin e tu nin g. M is u se  o r im pro per tu nin g o f th is
p ro duct c a n d estr o y y o ur e ngin e! If y o u a re  n ot w ell v e rs e d in  e ngin e d yn am ic s a nd th e tu nin g o f e ngin e
m anagem ent s y ste m s D O  N O T a tte m pt th e in sta lla tio n. R efe r th e in sta lla tio n to  a n A EM -tr a in ed tu nin g
s h op o r c a ll 8 00-4 23-0 046 fo r te ch nic a l a ssis ta nce .
N O TE: A ll s u pplie d A EM  c a lib ra tio ns, W iz a rd s a nd o th er tu nin g in fo rm atio n a re  o ffe re d a s p ote ntia l
s ta rtin g p oin ts  o nly . IT  IS  T H E R ES PO NSIB IL IT Y O F T H E E N G IN E T U NER  T O  U LTIM ATELY C O NFIR M  IF  T H E
C ALIB RATIO N IS  S AFE F O R IT S  IN TEN DED  U SE. A EM  h old s n o r e sp onsib ility  fo r a ny e ngin e d am age th at
r e su lts  fr o m  th e m is u se  o r m is tu nin g o f th is  p ro duct! 
						

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OVE R VIE W
T he A EM  In fin it y  E M S c an b e a dapte d to  m ost fu el  in je cte d e ngin es. W hen p ossib le , A EM  w ill  p ro vid e
“ b ase c al”  s essio ns a nd c onfig ura tio n file s fo r s upporte d a pplic atio ns th at h ave  b een v e rifie d b y A EM
e ngin eers . T hese s essio n a nd c onfig ura tio n file s a re  s ta rtin g p oin ts  o nly  a nd w ill  n eed to  b e m odifie d fo r
y our s pecific  a pplic atio n. T his  m anual  lis ts  th e file s a va ila ble  a nd s uggeste d c hanges fo r y our e ngin e. It
a ls o in clu des a  p in out w it h  s uggestio ns fo r a daptin g th e In fin it y  E CU to  y our e ngin e h arn ess. It  is  th e
r e sponsib ilit y  o f  th e in sta lle r to  v e rify  th is  in fo rm atio n b efo re  s ta rtin g th e e ngin e.  
ENG IN ES
M azd a
1986-2 002 1 3B
1990-1 996 2 0B
DO W NLO ADABLE  F IL E S
F ile s c an b e d ow nlo aded fr o m  w ww.a em in fin it y .c om
. A n e xperie nced tu ner m ust b e a va ila ble  to  c onfig ure
a nd m anip ula te  th e d ata  b efo re  d riv in g c an c om mence. T he Q uic k S ta rt G uid e a nd F ull  M anual  d escrib e
t h e s te ps fo r lo ggin g in  a nd re gis te rin g a t w ww.a em in fin it y .c om
. T hese d ocum ents  a re  a va ila ble  fo r
d ow nlo ad in  th e S upport s ectio n o f  th e A EM  E le ctro nic s w ebsit e : h ttp ://w ww.a em ele ctro nic s.c om /
p ro ducts /s upport/in stru ctio ns
.
ADAPTE R  H A RNESS O PTIO NS
3 0-3 704 In fin ity  6 /8 h  M in i U niv e rs a l H arn ess
I n clu des p re -w ir e d p ow er, g ro unds, p ow er re la y, fu se b ox, s in gle  w id eband &  A EM net. 8 0 s m all  p in s a nd
3 0 s ealin g p lu gs. 
3 0-3 705 In fin ity  6 /8 h  P lu g &  P in  K it
I n clu des 8 0 p in  c onnecto r w it h  c ove r, 8 0 s m all  p in s, 1  m ic ro  re la y w it h  p in s a nd 3 0 s ealin g p lu gs. 
3 0-3 600 O 2 S enso r E xte nsio n H arn ess
E xte nsio n h arn ess to  c onnect A EM  U EG O W id eband O 2 s ensor to  6 -p in  D euts ch D TM  in  In fin it y  M in i
H arn esses (3 0-3 702/3 703).
3 0-3 601 IP 67 C om ms C able
U SB M in i- B  c om ms c able ; 3 9” lo ng w it h  rig ht a ngle d c onnecto r a nd b ayonet s ty le  lo ck.
3 0-3 602 IP 67 L oggin g C able
U SB A -to -A  e xte nsio n c able : 3 9” lo ng w it h  rig ht a ngle d c onnecto r a nd b ayonet s ty le  lo ck.
GETTIN G  S TA RTE D
R efe r to  th e 1 0-7 100 fo r E M S 3 0-7 100 In fin ity  Q uic k S ta rt G uid e fo r a ddit io nal  in fo rm atio n o n g ettin g
t h e e ngin e s ta rte d w it h  th e In fin it y  E M S.
I m port B ase  S essio n
M azda R ota ry  b ase s essio n lo cate d in  C :\D ocum ents \A EM \In fin it y  T uner\S essio ns\B ase S essio ns 
						

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© 2 015 A EM  P erfo rm ance E le ctr o nic s
TR AIL IN G  IG NIT IO N
T he M azda R ota ry  e ngin es u se a  tra ilin g ig nit io n s yste m . T hese tra ilin g c oils  fir e  s equentia lly , re gard le ss
o f  w hic h ig nit io n ty pe is  s ele cte d. A  2 -a xis  ig nit io n s plit  ta ble ,  T ra ilin gIg nS plit  [d eg]  is  u sed to
d ete rm in e th e tim in g o f  th e tra ilin g ig nit io n. 
I n  th e im age b elo w , th e ta ble  o n th e le ft  is  th e s ta ndard  Ig nit io n M ap [d egB TD C]. T his  ta ble  is  s till  u sed
t o  d ete rm in e th e ig nit io n tim in g o f  th e le adin g ig nit io n. T he ta ble  o n th e rig ht is  th e Ig nit io n S plit  [d eg],
u sed to  d ete rm in e th e ig nit io n tim in g o f  th e tra ilin g ig nit io n. 
T he tra ilin g ig nit io n tim in g is  c alc ula te d a s Ig nM ap [d egB TD C] - T ra ilin gIg nS plit  [d eg] =  T ra ilin g Ig nit io n
[ d egB TD C]. T here fo re  if  th e L eadin g Ig nit io n fir e s a s 2 5 [d egB TD C] a nd th ere  is  a n ig nit io n s plit  o f  + 10
[ d eg], th e T ra ilin g Ig nit io n w ill  fir e  a t 1 5 [d egB TD C].
OIL  M ETE R IN G  P UM P
T he In fin it y  E CU h as th e a bilit y  to  c ontro l  th e fa cto ry  O il  M ete rin g P um p (O M P), w hic h u ses a  s te pper
m oto r fo r flo w  c ontro l.  T he O M P c ontro l  in corp ora te s s eve ra l  fa ils afe  o ptio ns to  m in im iz e p ote ntia l  fo r
e ngin e d am age. S etu p w ill  b e d escrib ed in  m ore  d eta il;  h ow eve r th e fir s t s te p in  s ettin g u p th e O M P is  to
f o llo w  th e d ir e ctio ns b elo w  to  m odify  th e fa cto ry  w ir in g.
I M PO RTANT! O il M ete rin g P um p R eq uir e m en ts
T he fa cto ry  w ir in g h arn ess is  d esig ned to  d riv e  th e O il  M ete rin g P um p a s a  u nip ola r s te pper m oto r (6
w ir e s). H ow eve r th e In fin it y  E CU is  d esig ned to  d riv e  th e O M P a s a  b ip ola r s te pper m oto r, re quir in g th e
r e m ova l  o f  th e tw o 1 2V  w ir e s. F ailu re  to  re m ove  th ese 1 2V  w ir e s m ay a ffe ct th e p erfo rm ance o f  th e
s te pper m oto r a nd m ay a ls o c ause d am age to  th e In fin it y  E CU h ard w are .
F ig ure  1  b elo w  is  a  c onnecto r v ie w  s how in g th e te rm in al  p osit io n w hile  o bserv in g th e p in  (m ale ) te rm in al
s id e o f  th e c onnecto r. T he “---“ d enote s a n u nused c onnecto r c avit y , a nd s hould  b e u sed a s a  re fe re nce
p oin t. T erm in als  C  a nd D  w ill  n eed to  b e e xtra cte d fr o m  th e c onnecto r a nd th en p ro perly  is ola te d u sin g
h eat s hrin k tu be o r e le ctric al  ta pe. 
						

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Fig ure  1 : P in -s id e c onnecto r v ie w  s how in g th e 1 2V  te rm in als  in  R ED.
P ro ced ure  t o  M odif y  W ir in g
S TE P 1
L oosen h ose c la m p a t th e e nd o f  th e in ta ke e lb ow  a nd tw is t a ir  h ose o ut o f  th e w ay. R em ove  th e 4  n uts
t h at s ecure  th e in ta ke e lb ow  to  th e th ro ttle  b ody a nd re m ove  in ta ke e lb ow .
S TE P 2
L ocate  u pper c onnecto r fo r O il  M ete rin g P um p, w hic h c an b e fo und n ear th e p ow er s te erin g p um p. 
						

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© 2 015 A EM  P erfo rm ance E le ctr o nic s
S TE P 3
P re ss a nd h old  ta b o n c onnecto r s how n w hile  p ullin g b oth  c onnecto r b odie s a part.
S TE P 4
U sin g a  s m all  fla t h ead s cre w driv e r o r p ic k, g ently  p ry  th e y ello w  re ta in er o ut o f  th e c onnecto r.
S TE P 5
U sin g a  s m all  fla th ead s cre w driv e r o r p ic k, p ull  th e lo ckin g ta b a w ay fr o m  te rm in al.  W hile  th e ta b is
p ulle d a w ay, P USH th e te rm in al  d ow n in to  th e c onnecto r u sin g n eedle  n ose p lie rs . T here  w ill  b e
r e sis ta nce, s o p ush c are fu lly  to  a vo id  d am agin g th e c onnecto r o r b endin g th e te rm in al. 
						

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© 2 015 A EM  P erfo rm ance E le ctr o nic s
S TE P 6
O nce T erm in als  C  a nd D  h ave  b een p ushed d ow n in to  th e c onnecto r, th e w ir e s c an b e p ulle d o ut fr o m
t h e b acksid e, re m ovin g th e te rm in als  fr o m  th e c onnecto r c om ple te ly .
S TE P 7
U se h eat s hrin k tu be to  c om ple te ly  in sula te  b oth  te rm in als /w ir e  th at w ere  re m ove d fr o m  th e c onnecto r.
P lu g th e 2  c onnecto rs  to geth er a nd re in sta ll  th e in ta ke e lb ow  a nd a ir  h ose. 
						

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Oil M ete rin g P um p B asic  S etu p
T he In fin it y  E CU is  s et u p to  c ontro l  th e M azda O il  M ete rin g P um p. T he M azda O M P u ses a  s te pper
m oto r w it h  v o lt a ge fe edback. T he v o lt a ge fe edback is  u sed b y th e In fin it y  to  v e rify  s te pper m oto r p osit io n.
T here  a re  tw o fa ils afe s to  p re ve nt e ngin e d am age in  th e c ase o f  a  s ensor o r s te pper m oto r m alfu nctio n.
T hese w ill  b e d is cussed in  m ore  d eta il.  T he fo llo w in g la yout w ill  b e h elp fu l  th ro ughout th is  s ectio n. If  y ou
p la n to  c onfig ure  th e O M P m anually , a dd a  n ew  p age to  y our la yout a nd in clu de th e fo llo w in g 2 -a xis
t a ble s a nd te xt g rid s.
T he O M P s ensor fe edback c an b e s een in  it s  ra w  v o lt a ge v a lu e a s “O M P_F eedback [V ]. H ow eve r th e
f e edback is  s cale d to  a  0 -1 00%  ra nge, s how n a s c hannel  “O M _P osit io n [% ]”. T he lo ad ta ble s
“ O M P_Load [% ]” a nd “O M P L oad [% ] F ails afe ” b oth  o utp ut a  %  p osit io n ra th er th an v o lt a ge. T he o utp ut
f r o m  th ese ta ble s c an b e s een a s “O M P_P osit io nR eq [% ]”, w hic h u ses e it h er ta ble  b ased o n fa ils afe
c ondit io ns. B y d efa ult , th e ta ble s a re  p opula te d w it h  v a lu es th at in cre ase w it h  b oth  e ngin e lo ad a nd
e ngin e s peed. 
F ails a fe s
T he fir s t fa ils afe  u tiliz es th e ta ble  “O M P L oad [% ] F ails afe ”. T his  ta ble  is  u sed in  th e e ve nt o f  a  M AP
s ensor e rro r. If  th e c hannel  “E rro rM AP” s how s a  v a lu e o f  1  o r 2 , th e c hannel  “O M P_P osit io nR eq [% ]” w ill
a uto m atic ally  b e c alc ula te d u sin g O M P L oad [% ] F ails afe  ra th er th an O M P L oad [% ]. T here fo re  b oth
t a ble s n eed to  b e p opula te d w it h  u seable  v a lu es.
T he s econd fa ils afe  is  b ased o n O M P p osit io n a nd s ensor v o lt a ge. If  e it h er c hannels
“ O M P_E rro r_ P osit io n” o r “O M P_E rro r_ S ensor” a re  n on-z ero , th e c hannel  “O M P_F ailu re ” w ill  e qual  1 .
T his  m eans th at th e s ensor p osit io n  in dic ate s a n e rro r re la tiv e  to  th e re queste d p osit io n, o r th at th ere  is
a  s ensor fa ilu re . In  e it h er c ase, u ser a dju sta ble  e ngin e p ro te ctio n w ill  a ctiv a te . O M P E ngin e P ro te ctio n
w ill  b e d escrib ed in  th e w iz ard  s ectio n b elo w . 
						

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Oil M ete rin g P um p S etu p W iz a rd
W it h  In fin it y  T uner c onnecte d to  th e E CU, g o to  th e In fin it y  T uner W iz ard  p age c alle d “O il  M ete rin g
P um p”.
T he O M P S ensor S etu p a ffe cts  th e s te pper fe edback c alib ra tio n. T he d efa ult  s ettin gs m ay re quir e  m in or
a dju stm ents . T o d ete rm in e if  th is  n eeds a dju stm ent, th e O M P n eeds to  b e in sta lle d a nd In fin it y  T uner
n eeds to  b e c onnecte d to  th e E CU. A ssum in g n o E rro rM AP, y ou o nly  n eed to  u se th e ta ble  “O M P_Load
[ % ]” fo r c alib ra tio n. 
S te p 1 : fu lly  p opula te  O M P_Load [% ] ta ble  w it h  th e v a lu e ‘0 ’.  R ecord  th e v a lu e fr o m  c hannel
O M P_F eedback [V ]. 
S te p 2 : fu lly  p opula te  O M P_Load [% ] ta ble  w it h  th e v a lu e ‘1 00’.  R ecord  th e v a lu e fr o m  c hannel
O M P_F eedback [V ].
S te p 3 : s et th e w iz ard  o ptio n “O M P V olt s  M in ” to  th e m in im um  v o lt a ge re cord ed m in us 0 .0 5V .
S te p 4 : s et th e w iz ard  o ptio n “O M P V olt a  M ax” to  th e m axim um  v o lt a ge re cord ed p lu s 0 .0 5V . In cre asin g
t h e v o lt a ge ra nge b y 0 .0 5V  o n b oth  e nds w ill  p re ve nt a n O M P_E rro r_ S ensor w hile  th e s ensor is  a t 0 %
a nd 1 00%  o f  it s  ra nge. T he O M P C al  M in  c an th en b e re duced to  -1  o r -2 , w hile  O M P C al  M ax c an b e
i n cre ased to  1 01 o r 1 02 to  c om pensate  fo r th e e xpanded v o lt a ge ra nge.
T he O M P L oad A xis  s etu p le ts  y ou c hoose b etw een k P a a nd p sig  fo r th e m ain  lo ad a xis .
T he s econd fa ils afe  d escrib ed a bove  is  a ctiv a te d if  th ere  is  a  s te pper m oto r p osit io n e rro r o r a  s ensor
e rro r. T he fa ils afe  b y d efa ult  e nable s a  F uel  a nd S park  C ut, a s s een b elo w . T he F uel  a nd S park  c uts  c an 
						

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© 2 015 A EM  P erfo rm ance E le ctr o nic s
b e in div id ually  e nable d o r d is able d, a nd th eir  R PM  s etp oin ts  c an a ls o b e a dju ste d. T he w iz ard  o ptio n
“ O M P E rro r P osit io n M ax [% ]” d ete rm in es th e a llo w able  e rro r b etw een th e re queste d p osit io n a nd a ctu al
p osit io n o f  th e s te pper m oto r. T he d efa ult  is  5 %  e rro r.
T he O M P S te pper S etu p d efa ult  v a lu es a re  d esig ned to  w ork  w it h  th e M azda O il  M ete rin g P um p. T hese
v a lu es s hould  n ot b e a dju ste d u nle ss a tte m ptin g to  d ia gnose a  s te pper m oto r p ro ble m .
STA G ED  IN JE C TIO N
T he In fin it y  E CU c an b e c onfig ure d to  u se S ta ged F uel  In je ctio n. F or th e M azda R ota ry  a pplic atio n,
S econdary  a nd 3 rd  S ta ge in je cto rs  c an b e c onfig ure d. T he s etu p fo r S econdary  in je cto rs  in clu des a
S ta ged S plit  ta ble , a llo w in g fu el  flo w  s plit  b etw een P rim ary  a nd S econdary  in je cto rs . S etu p fo r 3 rd  S ta ge
i n je cto rs  in clu des a ddit io nal  p ara m ete rs  b ased o n e ngin e lo ad a nd e ngin e s peed. T he S econdary  s ta ged
i n je ctio n s hould  b e th oro ughly  u nders to od a nd c onfig ure d p rio r to  a ctiv a tin g th e T ertia ry  in je cto rs .
Seco ndary  In je ctio n
I n  th e In fin it y  T uner W iz ard , g o to  th e In je cto r S etu p ta b.
S ele ct th e to ta l  n um ber o f  in je cto rs .
S ele ct th e F uel  ty pe fo r S econdary  In je cto rs . N ote  th at th is  F uel  T ype a pplie s to  b oth  S econdary  a nd 3 rd
S ta ge in je cto rs .
D ouble  c lic k o n th e  T ype c olu m n fo r e ach in je cto r th at y ou w ant to  s et a s a  S econdary , a nd u se d ro p
d ow n m enu to  s et T ype to  S econdary .  S et th e p hasin g fo r e ach in je cto r. In  th is  e xam ple , th e p hasin g is
s etu p fo r a  2 -ro to r 2 -s tro ke e ngin e, w it h  2  P rim ary  a nd 2  S econdary  in je cto rs . A ll  o f  th e in je cto rs  w ill  b e
t ie d to  L am bda1 F eedback w hen 0 2 F eeback is  e nable d. 
						

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J u st b elo w  th e ta ble  in  th e In je cto r S etu p ta b, y ou c an c hoose th e in je cto rs  th at a re  in sta lle d a s
S econdary /3 rd  S ta ge. C hoosin g a n in je cto r fr o m  th e d ata base w ill  m odify  th e in je cto r flo w  ra te  a nd
i n je cto r b atte ry  o ffs et ta ble s.
T he S econdary  In je cto r F lo w  W iz ard  a bove  a ffe cts  th e fo llo w in g ta ble s. T he ta ble s c an b e a dded to  th e
I n fin it y  T uner la yout a nd m odifie d m anually .