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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Automatic Transaxle) >> DTC/Circuit Diagnosis >> DTC P1730: Interlock >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC Trouble diagnosis name DTC is detected if... Possible cause
P1730 Interlock The output speed sensor detects the deceleration of 12 km/h (7 MPH) or more for 1 second.
  • Harness or connectors (Solenoid valve circuit is open or shorted.)
  • Input clutch solenoid valve
  • Direct clutch solenoid valve
  • High and low reverse clutch solenoid valve
  • Front brake solenoid valve
  • Low brake solenoid valve
  • 2346 brake solenoid valve
  • Anti-interlock solenoid valve
  • Each clutch
  • Hydraulic control circuit
NOTE: When the vehicle is driven fixed in 2GR, an input speed sensor malfunction is displayed, but this is not an input speed sensor malfunction.
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