TE S T ACTION AP PLICAB ILITY
3 Det er m in e if t h er e ar e an y Tr a n smission Mech an ica l pr oblem s pr esen t .
Rem ove t he Tra n sm ission Oil P a n a n d inspect for debr is or a plu gged Tra n smission
Oil F ilt er.
Is t h er e a n y debr is, plu gged Tr a n sm ission Oil Filt er, or sign s of a n In t er n a l
Tra n sm ission pr oblem ?
All
Ye s → Refer to th e Ser vice In for m a t ion for th e pr oper repa ir procedu r e.
Per for m N AG1 TRAN SMISSION VE RIF ICATION TE ST - VER 1.
No → Go To 4
4 NOTE: The Engine and Transmission must not have mechanical problems
and be operating normally before proceeding with this test.
Tur n th e ign it ion off t o t h e lock posit ion .
Repla ce an d pr ogr a m th e P CM/E CM Cont r ol Modu le per t he Ser vice In for ma t ion .
Wit h th e DRBIII#, er a se Tra n sm ission DTCs.
Roa d t est th e Veh icle.
Wit h th e DRBIII#, r ea d Tra n sm ission DTCs.
Does t h e DTC, E NGINE OVE RSP E E D, r eset ?
All
Ye s → Go To 5
No → Repla cin g t h e ECM h a s cor r ect ed t h e pr oblem . Per for m t h e
Power t r a in Ver ifica t ion t est .
Per for m N AG1 TRANSMISSION VERIF ICATION TE ST - VE R 1.
5 If t h er e ar e no possible cau ses r em a in ing, view repa ir. All
Repa ir
Repla ce th e TCM.
Per for m NAG1 TRANSMISSION VERIF ICATION TEST - VER 1.
61
TRANSMISSION - NAG1
ENGINE OVERSPEED — Co n t i n u e d