(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
From 08/2009
SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: C1711-C1714: Front Height Control Sensor RH Circuit Malfunction
DESCRIPTION
The height control sensor changes its resistance value based on changes in vehicle height. The suspension control ECU outputs a fixed voltage of 5
V to the height control sensor's SHB terminal. If the sensor's resistance value changes, the sensor's voltage value changes accordingly. The
suspension control ECU then inputs the voltage value from the sensor to detect the vehicle height change.
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