Inspect Idle-Up Speed - Toyota Celica 2000 Repair Manual

AC-8
:
Condition Does not cool
ee
Symptom s
refligaraUon system
in
n
e e
ss low
u
•
r high high
pJessure sideS
P
too on
r
Pressure
•
pres·
low on high
too to
sure side
AIR CONOmONING
(9)
Probable cause
compressor
lntarnal leak in
3.

INSPECT IDLE-UP SPEED

(a) Warm up engine.
Inspect idle-up speed when the these conditions are es­
(b)
tablished.
•
1ZZ-FE engine models (MIT):
Magnetic
Magnetic
clutch
clutch
If tdle speed ts not as spectfted, check Idle control system.
1ZZ-FE engine models (AJT):
Magnetic
clutch not engaged
Magnetic
Magnetic dutch
If tdle speed ts not as spectfled, check Idle control system.
2ZZ-FE engine models (MfT}:
Ma
clutch not
Magnetic
Magnetic clutch engaged
If 1dle speed ts not as spectlied, check Idle control system.
2ZZ-FE engine models (Aff ) :
Magnetic
Magnetic clulch r>ot
If 1dle speed
-
SYSTEM
AIR CONDITIONING
Defective compression compressor
Diagnosis
•
defective
Compression
•
n slidmg
Valve leaking rt o
b e
or r k
a
p s
Warm up engine
Blower speed control switch at "HI" position
AJC swJtch ON
Temperature control dial at "COOL" position
clutch condition
not
engagOO
.
.
clutch condition
engaged
. .
gn
et c clutch condition
i
engaged
clutch condition
engaged
not as spec1f1ed, check Idle control system.
JS
Remedy
Repair
or replace
compressor
Idle-up speed
700 + 50 rpm
900 ± 50 rpm
Idle- - up speed
rpm
750 ":!: 50
900 + 50
rpm
Idle--up speed
...
rpm
750 50
850 + 50
Idle--up speed
rpm
650 ± 50
850 ± 50 rpm