Steering Wheel Angle Sensor Circuit Check

WARNING: This page is about a different car, the 2002 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Check the terminals and connector of steering wheel angle sensor for damage, bend and loose connection. (sensor-side and harness-side)
OK or NG
1. OK >> GO TO 2.
2. NG >> Repair terminal or connector.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering wheel angle sensor connector.
2. Check resistance between steering wheel angle sensor harness connector M52 terminals 4(LG/B) and 5(P/B).
  4(LG/B) - 5(P/B) : Approx. 54-66ohm
  
  Fig 1: Checking Resistance Between Steering Wheel Angle Sensor Harness Connector M52 Terminals 4(LG/B) And 5(P/B)
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK >> Replace steering wheel angle sensor.
2. NG >> Repair harness between splice points M13, M14 and steering wheel angle sensor.