Toyota
Toyota Land Cruiser
 Service Manual
Air conditioning
Power transistor (for Rear Cooler)

INSPECTION

1. REMOVE REAR DOOR SCUFF PLATE RH

2. REMOVE REAR FLOOR MAT SUPPORT PLATE

3. REMOVE QUARTER TRIM PANEL RH

4. REMOVE POWER TRANSISTOR

(a) Disconnect the connector.

(a) Disconnect the connector.

(b) Remove the 2 screws and the power transistor.

5. INSPECT POWER TRANSISTOR OPERATION

(a) Connect the positive (+) lead to terminal 1 through a

(a) Connect the positive (+) lead to terminal 1 through a 12 V - 3.4 W test bulb and negative (-) lead to terminal 2.

(b) Check the test bulb comes on when another positive (+) lead is connected to terminal 4 through a 12 V - 3.4 W test bulb.

If operation is not as specified, replace the power transistor

6. INSPECT POWER TRANSISTOR RESISTANCE

Measure resistance between terminals 3 and 4.

Measure resistance between terminals 3 and 4.

Standard resistance: 2.0 - 2.4 kW

If resistance is not as specified, replace the power transistor.

7. INSTALL POWER TRANSISTOR

(a) Install the power transistor with 2 screws.

(b) Connect the connector.

8. INSTALL QUARTER TRIM PANEL RH

9. INSTALL REAR FLOOR MAT SUPPORT PLATE

10. INSTALL REAR DOOR SCUFF PLATE RH

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