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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Automatic Transmission -- G37 Coupe) >> DTC/Circuit Diagnosis >> DTC P1730: Interlock >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
DTC DETECTION LOGIC REFERENCE CHART

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 and brake
  • Hydraulic control circuit
NOTE: When the vehicle is driven fixed in 2GR, a input speed sensor malfunction is displayed, but this is not a input speed sensor malfunction.