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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Suzuki Equator. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART

DTC SDT Diagnostic item is detected when... Reference
[P1818] SHIFT ACT POSI SW
  • Improper signal from actuator position switch is input due to open or short circuit.
  • Malfunction is detected in actuator position switch.
Diagnosis Procedure