Wednesday, August 12, 2020

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 440


NOTICE:



If the DTC was set due to an insufficient or excessive amount of refrigerant, the problem may have been solved after performing



the previous step. However, the root cause of insufficient refrigerant may be refrigerant leaks. The root cause of excessive



refrigerant may be adding refrigerant when the level was insufficient. Therefore, identify and repair any refrigerant leaks as



necessary.



B -- END



A -- Continue to next step.



11. INSPECT A/C PRESSURE SENSOR



(a) Install the manifold gauge set.



(b) Reconnect the A/C pressure sensor connector.



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



(d) Measure the voltage according to the value(s) in the table below.



Standard Voltage:



Text in Illustration



NG -- REPLACE A/C PRESSURE SENSOR



OK -- REPLACE A/C AMPLIFIER



12. REPAIR A/C SYSTEM LEAK



(a) Identify the area where refrigerant leaks from See: Heating and Air Conditioning/Service and Repair.



(b) Repair the identified area of the A/C system.



(c) Evacuate the A/C system.



NEXT -- CHARGE REFRIGERANT



13. INSPECT COOLING FAN SYSTEM



(a) Check that the cooling fan(s) operates normally.

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