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DTC Detection Logic

WARNING: This page is about a different car, the 2008 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART

DTC CONSULT-III Diagnostic item is detected when... Reference
[P1819 ] SHIFT ACT CIR
  • Malfunction is detected in transfer shut off relay 1 and transfer shut off relay 2.
  • Malfunction occurs in transfer control device drive circuit.
 , "DIAGNOSIS PROCEDURE "
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