LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Transfer Case) >> DTC/Circuit Diagnosis >> DTC P1819: Transfer Control Device >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
DTC CONSULT Diagnostic item is detected when...
P1819 TRANSFER CONTROL DEVICE  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.