(d) Check the height control sensor rear LH side: (C1714)
(1) Turn the engine switch off.
(2) Disconnect the A54 ECU connector.
(3) Disconnect the R2 sensor connector.
(4) 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: C1741,C1742: Front Height Control Solenoid Valve RH Circuit Malfunction
DESCRIPTION
The No. 1 height control valve independently opens and closes the left and right air passages to the front pneumatic cylinders according to the
signals from the suspension control ECU.
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