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DTC Detection Logic

WARNING: This page is about a different car, the 2010 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION CHART

DTC CONSULT-III Diagnostic item is detected when ... Probable malfunction location
C1802 COMPRESSOR RELAY
  • Driving transistor for the compressor relay is OFF and monitor voltage continues at a high level for more than 10 seconds.
  • Driving transistor for the compressor relay is ON and monitor voltage continues at a low level for more than 5 seconds.
Compressor motor relay. Refer to "COMPONENT FUNCTION CHECK ".