Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000018PX004X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: AIR CONDITIONING: REAR HEATER UNIT: INSPECTION; 2007 MY LX470 [08/2006 -        ]

INSPECTION

1. INSPECT BLOWER MOTOR

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

If the operation is not as specified, replace the blower motor.

2. INSPECT AIR MIX SERVO MOTOR

(a) Inspect the air mix servo motor 2007 MY LX470 [08/2006 -        ]; AIR CONDITIONING: AIR CONDITIONING SYSTEM: 47; Rear Air Mix Damper Control Servo Motor Circuit .

3. INSPECT AIR MIX DAMPER POSITION SENSOR

(a) Inspect the air mix damper position sensor 2007 MY LX470 [08/2006 -        ]; AIR CONDITIONING: AIR CONDITIONING SYSTEM: 37,47; Rear Air Mix Damper Position Sensor Circuit .

4. INSPECT AIR INLET TEMPERATURE SENSOR

(a) Inspect the air inlet temperature sensor 2007 MY LX470 [08/2006 -        ]; AIR CONDITIONING: AIR CONDITIONING SYSTEM: 26; System Too Rich .