2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) C CODE Page 765

(a) Turn the engine switch off.

(b) Disconnect the A54 ECU connector.

(c) Disconnect the O11 low pressure tank valve connector.

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

Standard resistance:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE SUSPENSION CONTROL ECU

Up to 08/2009

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: C1751: Compressor Relay Coil Malfunction

C1751 - Compressor Relay Coil Malfunction

DESCRIPTION

The signal from the suspension control ECU turns on the AIR SUS relay, and then the height control compressor motor starts.