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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control System (DTCS) >> E-Sus(Air LEVELIZER Control Module) >> DTC C1808: Air Sus COMPRS FNCTN >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC

Display item

Malfunction detected condition

Possible cause

C1808

AIR SUS COMPRS FNCTN

The cumulative operating time of the air compressor reaches 180 seconds or more.

NOTE: Cumulative time is cleared under the following conditions:
  • Ignition switch: OFF
  • Exhaust conditions: satisfied [Vehicle height remains 15 mm (0.59 in) or more higher than the reference height for 30 seconds.]
  • Harness or connector
  • Vehicle height sensor
  • Air compressor (exhaust solenoid)
  • Air compressor relay
  • Overloaded
  • Rear shock absorber (air chamber)
  • Rear suspension component parts
  • Air tube
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