Test B: DTC C1724 - Air Suspension Height Sensor Power Circuit Failure

Pinpoint Test B: DTC C1724 - Air Suspension Height Sensor Power Circuit Failure
Refer to Vehicle/Diagrams, Vehicle Dynamic Suspension for schematic and connector information.

Normal Operation
The 2 rear height sensors receive a 5-volt reference voltage from the vehicle dynamics module (VDM) along circuit LCL12 (VT/OG), both sensors share a common return path along circuit RCL12 (GN/WH). The RR sensor sends the suspension height voltage back to the VDM along circuit VCL12 (WH/VT) and the LR sensor sends the suspension height voltage back to the module along circuit VCL13 (BN/BU). The VDM monitors the 2 height sensors and makes adjustments to the rear suspension based on sensor input.
^ DTC C1724 Air Suspension Height Sensor Power Circuit Failure - This DTC can be set during normal operation and during the VDM on-demand self test. DTC C 1724 will set during normal operation if the ignition key is in the RUN position and the height sensor supply voltage is not at the expected level for more than 2 minutes. DTC C1724 will set during the on-demand self test if the height sensor voltage is not detected after being enabled during the test.

This pinpoint test is intended to diagnose the following:
^ Wiring, terminals or connectors
^ Height sensor(s)
^ VDM

B1-B3:

B3 (Continued)-B5:

B5 (Continued)-B7: