Name: Toyota 1HZ
Brand: Toyota
Rating: 4 (1 reviews)

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EM-29

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

(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.

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.

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Toyota 1HZ Specifications

General