LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Security Control System -- G37 Convertible) >> DTC/Circuit Diagnosis >> DTC B2602: Shift Position >> 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 variant/trim than selected.
NOTE:
  • If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC LOGIC ".
DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2602 SHIFT POSITION BCM detects the following status for 10 seconds.
  • Shift position is in the P position
  • Vehicle speed is 4 km/h (2.5 MPH) or more
  • Ignition switch is in the ON position
  • Harness or connectors (A/T shift selector circuit is open or shorted)
  • A/T shift selector (detention switch)
  • ABS actuator and electric unit (control unit)