2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 469

(e) Enter the following menus: Body Electrical / Air Conditioner / Data List.

(f) Check the value(s) by referring to the table below.

Air Conditioner

OK:

The display is as specified in the Normal Condition column.

Result:

C -- REPLACE A/C AMPLIFIER

B -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE See: Heating and Air

Conditioning/Testing and Inspection/Symptom Related Diagnostic Procedures

A -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Air Conditioner / Active Test.

(e) Check the operation by referring to the table below.

Air Conditioner

OK:

Air temperature changes in accordance with each control range.

NG -- INSPECT NO. 1 AIR MIX CONTROL SERVO MOTOR (AIR MIX CONTROL SERVO MOTOR)

OK -- REPLACE A/C AMPLIFIER

3. INSPECT NO. 1 AIR MIX CONTROL SERVO MOTOR (AIR MIX CONTROL SERVO MOTOR)

(a) Replace the No. 1 air mix control servo motor (air mix control servo motor) See: Heating and Air Conditioning/Housing Assembly

HVAC/Service and Repair/Overhaul/Disassembly.

HINT

Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known

good one and check that the condition returns to normal.

(b) Check for the DTC.