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S y m p to m Lis t:
P 1603-P CM IN TERN AL D U AL-P ORT RAM COMMU N ICATION
P 1604-P CM IN TERN AL D U AL-P ORT RAM READ /WRITE IN TEG-
RITY FAILU RE
P 1607-P CM IN TERN AL S HU TD OWN TIMER RATION ALITY
Te s t N o te : All s y m p to m s lis te d a bo v e a re d ia g n o s e d u s in g th e s a m e te s ts .
Th e title fo r th e te s ts w ill be P 1603-P CM IN TERN AL D U AL-
P ORT RAM COMMU N ICATION .
Wh e n Mo n ito re d a n d S e t Co n d itio n :
P 1607-P CM IN TERN AL S HU TD OWN TIMER RATION ALITY
Wh en Mon it or ed: Du r in g cold st a r t .
Set Con dit ion : Com pa r es sh u t down t im e t o coola n t t em per a t u r e.
F USE D IGNITION SWITCH OUTP UT (OF F -RUN-START)
P CM INTE RNAL FAULURE
TES T
1
Tu r n t h e ign it ion off.
Discon n ect t h e P CM h a r n ess con n ect or.
CAU TION : D O N OT P ROB E THE P CM HARN ES S CON N ECTORS . P ROB IN G
THE P CM HARN ES S CON N ECTORS WILL D AMAGE THE P CM TERMI-
N ALS RES U LTIN G IN P OOR TERMIN AL TO P IN CON N ECTION . IN S TALL
MILLER S P ECIAL TOOL #8815 TO P ERF ORM D IAGN OS IS .
Tu r n t h e ign it ion t o r u n .
Usin g a 12-volt t est ligh t con n ect ed t o gr ou n d, pr obe t h e F u sed Ign it ion Swit ch
Ou t pu t (Off-Ru n -St a r t ) ca vit y C1-12 cir cu it a t t h e a ppr opr ia t e t er m in a l of t h e specia l
t ool #8815.
N OTE: If th e te s t lig h t illu m in a te s , w ig g le th e w irin g h a rn e s s to e n s u re th a t
th e p ro ble m is n o t a n in te rm itte n t w irin g p ro ble m .
Does t h e t est ligh t illu m in a t e br igh t ly?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Repla ce t h e P ower t r a in Con t r ol Modu le in a ccor da n ce wit h t h e
Ser vice In for m a t ion .
P er for m P OWE RTRAIN VE RIF ICATION TE ST VE R - 1.
→ Ch eck a ll r ela t ed fu ses. Repa ir t h e F u sed Ign it ion Swit ch Ou t pu t
cir cu it .
P er for m P OWE RTRAIN VE RIF ICATION TE ST VE R - 1.
DRI V EABI LI T Y - N GC
277
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