2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) C CODE Page 791

(2) Check the operating sound of the height control valve No. 1.

OK:

It makes an operating sound (click).

NG -- REPLACE HEIGHT CONTROL VALVE NO. 1

OK -- Continue to next step.

5. INSPECT HEIGHT CONTROL VALVE NO. 2

(a) Turn the engine switch off.

(b) Disconnect the rear height control valve No. 2 connector.

(c) Measure the resistance according to the values in the table below.

Standard resistance:

Text in Illustration

(d) Check the rear RH valve.

(1) Connect a positive (+) lead from the battery to terminal 3 (RH+) and a negative (-) lead to terminal 2 (E).

(2) Check the operating sound of the height control valve No. 2.

OK:

It makes an operating sound (click).

(e) Check the rear LH valve.

(1) Connect a positive (+) lead from the battery to terminal 1 (LH+) and a negative (-) lead to terminal 2 (E).

(2) Check the operating sound of the height control valve No. 2.

OK:

It makes an operating sound (click).

NG -- REPLACE HEIGHT CONTROL VALVE NO. 2

OK -- Continue to next step.

6. INSPECT HEIGHT CONTROL COMPRESSOR ASSEMBLY (EXHAUST VALVE)

(a) Turn the engine switch off.

(b) Disconnect the exhaust valve connector.