Last Modified: 6-7-2017 6.8:8.0.40 Doc ID: RM0000018PR000X
Model Year Start: 2006 Model: Land Cruiser Prod Date Range: [05/2005 -           ]
Title: AIR CONDITIONING: REAR COOLING UNIT: INSPECTION; 2006 MY Land Cruiser [05/2005 -        ]

INSPECTION

1. INSPECT BLOWER MOTOR

(a) Connect battery positive (+) lead to terminal 1 and battery negative (-) lead to terminal 2, then check that the motor rotates smoothly.

If the motor rotates smoothly, check the wire harness, otherwise, replace the blower motor.

2. INSPECT THERMISTOR

(a) Place the thermistor in cold water.

(b) Measure resistance of the thermistor as the water temperature increases.

(c) Compare the readings with the chart.

If the values meet the specifications, check the wire harness. Otherwise, replace the thermistor.

3. INSPECT EXPANSION VALVE

(a) Check the air passage through the valve, with and without the battery positive voltage applied, between terminals as shown in the chart.

OK:

Condition

Air passage

Apply B+ between terminals

Free passage

Not apply B+ between terminals

No passage

If operation is as specified, check the wire harness.

Otherwise, replace the magnetic valve with the expansion valve.