Symptom:
SOLEN OID SU P P LY/WATCHDOG
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
SOLEN OID S UP P LY/WATCH D OG
Wh en Mon it or ed: Alwa ys m on it or ed wit h syst em a ct ive a t ea ch ign ition cycle.
Set Condit ion : Du r in g t h e power u p of th e TCM, it t est s t he a bilit y of th e ext er na l
wa tch dog t o shu t down t h e Solen oid Su pply dr iver.
POSSIBLE CAUSES
SOLENOID SUPPLY CIRCUIT SHORT TO OTHE R CIRCUITS
SOLENOID DTCS PRESENT
TCM - SOLE N OID SU P P LY WATCH DOG
TE S T ACTION AP PLICAB ILITY
1 NOTE: Low fluid level can be the cause of many transmission problems. If
the fluid level is low locate and repair the leak then check and adjust the
flui d lev el p er t h e s e r vi c e i n fo r m a ti o n .
NOTE: Always perform diagnostics with a fully charged battery to avoid
fa ls e s y m p t o m s .
Wit h t h e DRBIII#, r ea d t h e en gin e DTCs. Ch eck a n d r epa ir all en gin e DTCs pr ior to
per for m in g t r a n sm ission sympt om dia gnost ics.
Wit h th e DRBIII#, r ea d a n d recor d a ll Tra n sm ission DTCs.
NOTE: Ch e c k c o n n e c to rs - Cle a n /re pa i r a s n e c e s s a ry. P o o r p in to te rm in a l
connections can set DTCs.
Usin g t h e wir in g dia gr a m /schem a t ic a s a gu ide, in spect t he wir in g a n d con n ect or s.
Repa ir a s n ecessa r y.
Most DTCs set on st a r t up bu t som e m u st be set by dr iving th e veh icle su ch t h a t a ll
dia gnost ic m on itor s h a ve r u n .
Note: Verify flash level of transmission controller. Some problems are
corrected by software upgrades to the transmission controller.
NOTE: Ch e c k fo r a n y Te ch n ic a l S e rv ic e B u lle t in s th at m a y ap p ly.
Per for m t h is pr ocedu r e pr ior to Sym pt om dia gn osis.
All
Con t in u e
Go To 2
2 Wit h th e DRBIII#,readDTCs..
Are a n y Solen oid DTCs pr esen t?
All
Ye s → Repa ir a ll Solen oid DTCs befor e pr oceedin g wit h t est .
Per for m N AG1 TRAN SMISSION VE RIF ICATION TE ST - VER 1.
No → Go To 3
105
TRANSMISSION - NAG1