Adjustment Of Air Conditioner Idle-Up Setting Speed; Adjust Air Conditioner Idle-Up Setting Speed - Toyota 1PZ Repair Manual

ENGINE MECHANICAL - Engine Tune-Up
ADJUSTMENT OF AIR CONDITIONER IDLE-UP
SETTING SPEED
1. INITIAL CONDITIONS
(a) Engine at reach normal operating temperature
(b) Air cleaner installed
(c) All vacuum lines properly connected
(d) Valve clearance set correctly
(e) Injection timing set correctly
(f) Transmission in N range
(g) Idle speed set correctly
2. CONNECT TACHOMETER
3.

ADJUST AIR CONDITIONER IDLE-UP SETTING SPEED

(a) Start the engine.
(b) A/C switches ON.
(c) Disconnect the vacuum hose from the idle-up actua-
tor.
(d) Apply vacuum to the idle-up actuator.
(e) Race the engine to 2,500 rpm for a few seconds,
release the throttle and check the idle-up setting
speed.
A/C idle-up setting speed: 950 rpm
(f) Adjust the idle-up setting speed by turning the IDLE-
UP SETTING SPEED ADJUSTING SCREW.
(g) Race the engine to 2,500 rpm for a few seconds,
release the throttle and recheck the A/C idle-up
setting speed.
(h) Reconnect the vacuum hose to the idle-up actuator.
EM-29