Abs/TCS Control Unit Circuit Check

CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Check the terminals and connector of ABS/TCS control unit for damage, bend and loose connection. (Control unit-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 ABS/TCS control unit connector.
2. Check resistance between ABS/TCS control unit harness connector E171 terminals 30 (L) and 29 (R).
  
  Fig 1: Checking Resistance Between ABS/TCS Control Unit Harness Connector E171 Terminals 30 (L) And 29 (R)
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace ABS/TCS control unit.
2. NG: Repair harness between ABS/TCS control unit and harness connector E81.