Functional Test And Adjustment; Vacuum Circuit - Toyota Celica Supra 1986 Service And Repair Manual

AC·16
AIR CONOITIONING SYSTEM- Functional Test and Adjustment
(BLUE)
Temperature
Con• l rol Leve.r
Air Flow
Co''trol L•ver
Slower
1.
Control
Le~r
®K
r
Air Intake
~
Control Lever
1
Cruise Control
Actuator
'
'
'
I
0
~-J
VaOJum Port
FUNCTIONAL TEST AND
ADJUSTMENT
Vacuum Circuit
ON-VEHICLE INSPECTION
1. REMOVE UNDERCOVER
2. DISCONNECT FROM NORMAL CONNECTOR AND
RECONNECT TO CHECK CONNECTOR OF
AMPLIFIER
3. PLACE TEMPERATURE CONTROL LEVER AT 77
4. CHECK VACUUM CIRCUIT
(a) Run the engine and observe the movement of the
power servo stem visually for one minute or more.
The stem must
be
stable.
(b) If the stem moves, cheek the vacuum circuit for leaks.
5. REINSTALL UNDERCOVER
B
V&euvm Tank
ovv
Power SerYO
e
vsv
Vawum Tank
Water Valve
vsv