Inspect Air Mix Control Servomotor Motor Operation

(a) Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 6, check that the lever moves smoothly from HOT to COOL.

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Air Mix Servomotor

(b) Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 2, check that the lever moves smoothly from COOL to HOT.

If operation is not as specified, replace the motor.

(Position Sensor Operation)

(a) Measure the resistance between terminals 1 and 3.

Resistance: Approx. 6 ki>

(b) Set the arm to COOL position.

(c) Check that the resistance between terminals 1 and 4

decreases from approx. 4.8 kQ to 1.2 kQ, when the arm is rotated from COOL to HOT position. If operation is not as specified, replace the motor.

INSPECTION OF RADIATOR FAN MOTOR AND CONDENSER FAN MOTOR 1. INSPECT RADIATOR FAN AND CONDENSER FAN SYSTEM OPERATION

HINT: The fan motor operate at two speeds depending on the water temperature and the A/C switch.

A/C Switch

Magnetic Clutch

Water Temperature

Fan Motor Speed

Off or ON

OFF

90"C (194+F) or tolüw Off

9(TC {194'F} or ebovfl

Hiflh

ON

ON

SOHC or below

Low

90T (WF) or ntiO*C V ftp refrigerBM prEisuia ■s appmx. 15.B kg/cm! (i20 pi., 1.52Û Or gracor

High

2. INSPECT FAN MOTORS

(a) Disconnect 2 pins connector of the fan motor.

(b) Using the wire harness, apply battery voltage to the con nector.

(c) Confirm smooth rotation of the motor within the specified current flow.

If current is not as specified, replace the motor.

AIR CONDITIONING SYSTEM - Parts Location

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