TE S T ACTION AP PLICAB ILITY
1 Ver ify th a t a ll of t h e followin g cr it er ia was m et wh en at t em pt in g to ru n t h e ATC
Fu n ct ion Test .
Th e veh icle wa s st a t ion a r y.
Th e en gin e wa s r u n n in g.
Th e a ir condit ion in g switch wa s On .
Th e a m bien t tem pera t u r e wa s a bove 59°F (15°C).
Th e r efriger a n t pr essu r e wa s bet ween 29 an d 348 P SI (2 an d 24 ba r).
Th e eva por a t or t em per a t u r e wa s a bove 36.5°F (2.5°C).
Th e coola n t tem per a tu r e wa s above 158°F (70°C).
Wa s a ll cr it er ia m et wh en a t t empt in g t o r u n t h e ATC F u n ct ion Test ?
All
Ye s → Go To 2
No → At t em pt to a ct iva t e t h e ATC Fu n ction Test wh en a ll of t h e specific
oper a t in g cr it er ia a r e met . If t h e crit eria can n ot be m et , pr oceed
to Test 2 of th is pr ocedu r e.
Per for m BODY VERIFICATION TE ST - VE R 1.
2 Tur n th e ign it ion on .
Wit h th e DRBIII", r ea d Aut om a t ic Tem per a t u r e Con t r ol DTCs.
Does t h e DRBIII" display a ny DTCs?
All
Ye s → Ret u r n t o t h e H eat in g & A/C sym pt om list a n d ch oose t h e
sym pt om (s).
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 3
3 Tur n th e ign it ion on .
Wit h th e DRBIII", r ea d E ngin e Con t r ol Modu le DTCs.
Does t h e DRBIII" display a ny DTCs?
All
Ye s → Refer t o P ower t r ain Dia gn ost ic in for m a t ion for th e rela t ed sym p-
tom (s).
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Refer to Ser vice In for m a t ion to dia gn ose t h e syst em (s) t h a t failed
to meet t h e ATC F u nct ion Test oper a t in g cr iter ia.
Per for m BODY VERIFICATION TE ST - VE R 1.
139
HEAT IN G & A/C
ATC F U N CTION TE ST COOL FAILU RE — Co n t i n u ed