Symptom:
EVAP TEMP SENSOR SHORTED LOW (ACTIVE)
POSSIBLE CAUSES
EVAP ORATOR TE MP ERATU RE SE NSOR
EVAP TE MP SE NSOR SIGNAL CIRCUIT SH ORTED TO GROUN D
EVAP TE MP SE NSOR SIGNAL CIRCUIT SH ORTED TO GROUN D CIRCU IT
EVAP TE MP SE NSOR SIGNAL CIRCUIT SH ORTED TO SE NSOR GROUND CIRCUIT
AUTOMATIC TE MPE RATURE CONTROL (ATC)
TE S T ACTION AP PLICAB ILITY
1 Tur n th e ign it ion off.
Discon n ect t he E va pora t or Temper a t u r e Sen sor ha r n ess con n ect or.
Tur n th e ign it ion on .
Wit h th e DRBIII", r ecor d a nd er a se Au t om a t ic Tem per a t u r e Con t r ol DTCs.
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 t he Aut om a t ic Tem pera t u r e Con t r ol DTCs.
Does t h e DRBIII" displa y: E VAP TE MP SE NSOR H IGH OR OP E N?
All
Ye s → Repla ce th e E va por a tor Temper a t u r e Sen sor in a ccor da n ce wit h
th e Ser vice In form a t ion .
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 2
2 Tur n th e ign it ion off.
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.
Mea su r e t h e r esista n ce between gr ou n d a n d t h e E va por a t or Temper a t u r e Sen sor
Sign al cir cu it.
Is t h e resista n ce below 10k ohm s?
All
Ye s → Repa ir t he E va por a tor Tem per a t u r e Sen sor Sign a l cir cu it for a
sh or t to gr oun d.
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 3
3 Tur n th e ign it ion off.
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.
Mea su r e th e r esist a n ce between t h e E va por a t or Tem per a t u r e Sen sor Sign a l cir cu it
an d t h e Gr ou n d cir cu it.
Is t h e resista n ce below 10k ohm s?
All
Ye s → Repa ir t he E va por a tor Tem per a t u r e Sen sor Sign a l cir cu it for a
sh or t to th e Gr ou n d cir cu it.
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 4
158
HEAT IN G & A/C
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