Symptom:
A/C COMP RES SOR CON TROL HIGH OR OP EN (ACTIVE)
POSSIBLE CAUSES
A/C COMP RE SSOR CLUTCH CONTROL CIRCUIT SH ORTE D TO VOLTAGE
A/C COMP RE SSOR CLUTCH
A/C COMP RE SSOR CLUTCH CONTROL CIRCUIT OP EN
AUTOMATIC TE MPE RATURE CONTROL (ATC)
TE S T ACTION AP PLICAB ILITY
1 Tur n th e ign it ion off.
NOTE: Ch e c k c o n n e c to rs - Cle an /re pa i r a s n e c e ss a ry.
Discon n ect t he A/C Com pr essor Clut ch h a r n ess con n ect or.
Tur n th e ign it ion on .
Pr ess t h e Air Con dit ion in g swit ch off.
Mea su r e th e volt a ge of th e A/C Com pr essor Clu t ch Con t r ol circu it .
Is t h e volt a ge above 10.0 volts?
All
Ye s → Go To 2
No → Go To 4
2 Tur n th e ign it ion off.
NOTE: Ch e c k c o n n e c to rs - Cle an /re pa i r a s n e c e ss a ry.
Discon n ect t he Aut om a t ic Tem pera t u r e Con t r ol (ATC) C1 ha r n ess conn ect or.
Discon n ect t he A/C Com pr essor Clut ch h a r n ess con n ect or.
Tur n th e ign it ion on .
Mea su r e th e volt a ge of th e A/C Com pr essor Clu t ch Con t r ol circu it .
Is t h e volt a ge above 0.2 volt s?
All
Ye s → Repa ir t he A/C Com pr essor Clu tch Con t r ol cir cu it for a sh or t to
volt a ge.
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 3
3 Tur n th e ign it ion off.
NOTE: Ch e c k c o n n e c to rs - Cle an /re pa i r a s n e c e ss a ry.
Recon n ect t h e Au t oma t ic Tem pera t u r e Con t r ol (ATC) C1 ha r n ess conn ect or.
Recon n ect t h e A/C Com pr essor Clu t ch h a rn ess con n ect or.
Ver ify t h a t th e A/C Com pr essor Clu t ch Gr ou n d is clea n a n d t igh t .
Tur n th e ign it ion on .
Wit h th e DRBIII",eraseDTCs.
Tur n th e ign it ion off, wa it 5 seconds, th en t u r 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" displa y: A/C COMP RE SSOR CONTROL H IGH OR OP E N ?
All
Ye s → Repla ce th e A/C Com pr essor Clu t ch in a ccor da n ce wit h t h e
Ser vice In for m a t ion .
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Test Com plet e.
128
HEAT IN G & A/C