AEM Porsche 20072009 9971 Turbo 20052008 Carrera 303905 User Manual

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STA RTIN G
T he P ors che 9 97.1  u ses th e c lu tc h s w it c h to  e nable  s ta rtin g o n th e fa cto ry  P ors che D M E.  T he In fin it y
a llo w s th is  fu nctio nalit y  to  b e u ser c onfig ura ble .  B y u sin g th e 2 D  ta ble   S ta rtE nable , u sers  c an
c onfig ure  a  n um ber o f  a nalo g, d ig it a l,  o r C AN in puts  to  e nable  s ta rtin g.  T he s upplie d b ase c alib ra tio n is
c onfig ure d to  a llo w  fa cto ry  lik e s ta rtin g w it h  th e c lu tc h s w it c h O R b y p re ssin g th e c ru is e c ontro l  e nable
b utto n (e ffe ctiv e ly  b ypassin g th e c lu tc h s w it c h).  F or a dded s ecurit y , u sers  c an a dd a  h id den s w it c h to
e nable  s ta rtin g.  T akin g th in gs a  s te p fu rth er, u sers  c an fu lly  d is able  th e 2 D  S ta rt E nable  ta ble  a nd
p assw ord  p ro te ct it , p re ve ntin g s ta rtin g u ntil  th e ta ble  is  p assw ord  u nlo cked a nd a nd e nable d a gain . 
						

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Show n A bove : S ta rt E n ab le  in put s etu p in  t h e s etu p w iz ard   O utp ut F u nctio n A ssig nm ents  t a b  a n d t h e 2 D
 S ta rtE n ab le  t a b le . 
						

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VA RIA BLE  T U R BIN E G EO M ETR Y T U R BO CHA RG ER S
T he P ors che 9 97.1  T urb o u ses V aria ble  T urb in e G eom etry  (V TG ) tu rb ocharg ers  fr o m  th e fa cto ry .  T his
t e chnolo gy a llo w s fa ste r s pool  o n la rg er fr a m e tu rb os a nd s im plifie s th e s yste m  b y e lim in atin g
w aste gate s.  T he A EM  In fin it y  fu lly  s upports  th is  s ty le  o f  b oost c ontro l  fo r u sers  re ta in in g fa cto ry  V TG
s ty le  tu rb ocharg ers .  B oost c ontro l  tu nin g u sin g V TG  tu rb ocharg ers  d oes re quir e  a  d iffe re nt m eth od th an
a  ty pic al  s ole noid /w aste gate  s etu p.
O utp ut S etu p
T he A EM  9 97.1  T urb o b ase c alib ra tio n is  c onfig ure d fo r L ow sid e 6  (d riv e r s id e tu rb o) a nd L ow sid e 8
( p assenger s id e tu rb o) a s th e b oost c ontro l  o utp uts .   
I m porta nt!
T he o utp ut fr e quency to  th e V TG  tu rb och arg ers  M UST b e 2 50 h Z a nd D uty  C ycle  M UST b e
b etw een 2 0%  a nd 8 0%  a t a ll tim es!  S et  B oost S ole noid  M in  D uty
 to  2 0%  a nd  B oost S ole noid
M ax D uty
 to  8 0%   D uty  c ycle  v a lu es le ss th an 2 0%  a nd g re ate r th an 8 0%  a re  fo r d ia gnostic /
c a lib ra tio n p urp ose s o nly  a nd w ill c a use  th e v a nes to  c lo se .  A  k e y o ff/k e y o n e ve nt w ill r e se t
t h e tu rb os if th ey e nte r d ia gnostic /c a lib ra tio n m ode. 
						

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B oost C ontr o l S etu p/O ptio ns
U sers  c an c hange a ll  b oost c ontro l  o ptio ns in  th e s etu p w iz ard s   B oost C ontro l  ta b (s how n b elo w )
I m porta nt!
T he o utp ut fr e quency to  th e V TG  tu rb och arg ers  M UST b e 2 50 h Z a nd D uty  C ycle  M UST b e
b etw een 2 0%  a nd 8 0%  a t a ll tim es!  S et  B oost S ole noid  M in  D uty
 to  2 0%  a nd  B oost S ole noid
M ax D uty
 to  8 0%   D uty  c ycle  v a lu es le ss th an 2 0%  a nd g re ate r th an 8 0%  a re  fo r d ia gnostic /
c a lib ra tio n p urp ose s o nly  a nd w ill c a use  th e v a nes to  c lo se .  A  k e y o ff/k e y o n e ve nt w ill r e se t
t h e tu rb os if th ey e nte r d ia gnostic /c a lib ra tio n m ode. 
						

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T unin g
P ors che V aria ble  T urb in e G eom etry  w ork s b y v a ry in g th e a ngle  o f  1 1 v a nes th at d ir e ct e xhaust flo w
t h ro ugh th e tu rb in e w heel.   T his  a dju stm ent a llo w s u sers  to  fu lly  c ontro l  th e v a ne g ap a nd e xhaust a ngle
i n to  th e tu rb in e w heel.   C lo sin g th is  g ap w ill  in cre ase e xhaust v e lo cit y  a nd th e e xhaust a ngle  o nto  th e
t u rb in e w heel.   T his  is  g re at fo r s poolin g a  tu rb o q uic kly  a t lo w er R PM  b ut a s e xhaust m ass flo w
i n cre ases, th e v a nes m ust o pen in  a  s im ila r m anner to  p re ve nt e xcessiv e  b ack p re ssure .  D ecre asin g th e
v a ne g ap is  h ow  b oost is  c ontro lle d/lim it e d.  T urb o e xhaust te m pera tu re  is  a va ila ble  to  m onit o r/lo g u sin g
t h e O EM  P ors che tu rb o te m pera tu re  s ensors .  T hese c hannels  a re  c alle d  E xhTem p1 [C ]  a nd
 E xhTem p2 [C ]  (s how n b elo w ).  
Show n A bove : V an es C lo sed ( to p) a n d v an es o pen ( b otto m ) 
						

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I m porta nt!
I t is  r e co m mended th at u se rs  le ave  b oost c o ntr o l in  o pen lo op d urin g s p ool u p fo r u ltim ate
s p ool c o ntr o l.  T he p oin t a t w hic h  b oost c o ntr o l e nte rs  c lo se d lo op c o ntr o l c a n b e a dju ste d b y
c h angin g th e  B oost F eedback E nable  B elo w  E rro r  o ptio n in  th e w iz a rd s   B oost C ontr o l  ta b.  
B ecause d uty  c ycle  v a lu es le ss th an 2 0%  a nd g re ate r th an 8 0%  a re  u sed fo r d ia gnostic  p urp oses, th e
u sefu l  ra nge fo r v a ne c ontro l  is  2 0%  to  8 0% .  2 0%  d uty  c ycle  is  th e fu lly   c lo sed o r m in im um  v a ne g ap
p osit io n (lo w  flo w ).  8 0%  d uty  c ycle  is  th e fu lly   o pen o r m axim um  v a ne g ap p osit io n (h ig h flo w ).
T o h elp  p re ve nt o ve r-b oost s pik es, u sers  c an b egin  d ecre asin g th e v a ne g ap in  a ntic ip atio n o f  h it tin g
b oost ta rg et (e xam ple  s how n b elo w  in  th e B oostB aseD uty 1 ta ble ).  U sers  w ill  n eed to  s pend tim e o n a
d ynam om ete r to  fu lly  tu ne tu rb o re sponse to  th eir  lik in g.  T he A EM  s upplie d b ase c alib ra tio n is  tu ned to
d ecre ase s pool  tim e a nd p ro vid e m axim um  c ontro l  o n a  s to ck-is h 9 97.1  T urb o a t s to ck-lik e b oost le ve ls . 
						

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VA RIO CAM  P LU S
T he A EM  In fin it y  fu lly  s upports  th e P ors che 9 97.1  V ario cam  P lu s s yste m .  T his  in clu des b oth  a  u ser
c onfig ura ble  lo w /h ig h c am  p ro file  a nd 4 0 d egre es o f  in fin it e ly  v a ria ble  a dva nce o n b oth  in ta ke c am shaft s .  
V ario cam  P lu s V VC c an b e c onfig ure d in  th e s etu p w iz ard s   V VC ta b a nd tu ned u sin g th e  V VC1
I n fin it y  T uner la yout ta b (s how n b elo w ). 
						

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V ario cam  P lu s L o/H i  c am  c ontro l  c an b e c onfig ure d in  th e  C AN L ow sid e 2  O utp ut S etu p o f  th e  O utp ut
F unctio n A ssig nm ent  w iz ard  ta b.  S ele ct  V TE C_A ctiv e  a s th e m ain  in put.  B ecause th e P ors che
9 97.1  T urb os  s m all  c am  lo bes a re  s ig nific antly  s m alle r th an th e la rg e c am  lo bes, th e d efa ult  s ettin gs 
						

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a ctiv a te  th e  h i  lo be  a t ju st 1 200R PM  a nd 1 4%  th ro ttle .  U sers  c an c onfig ure  th is  to  b est s uit  th eir
d riv in g s ty le .