Pathfinder 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1990)
Crankshaft Position Sensor: Diagnostic Trouble Code Tests and Associated Procedures
The ECU sensed that the 1° or 120° signal was not received for the first few seconds during starting or was erratic during engine operation.
Code 11 Crank Angle Sensor Diagnostic Chart