DTC P1212: Abs/TCS Communication Line: Procedure

1. Turn ignition off. Disconnect ECM and ABS/TCS control unit harness connectors. See Figure and Fig 1 . Check continuity of Yellow/Black wire between ABS/TCS control unit harness connector terminal No. 47 and ECM harness connector terminal No. 114. See Figure and Fig 2 . Also check circuit for short to ground and short to voltage. Repair circuit as necessary and retest system. If circuit is okay, go to next step.
2. No problem is indicated at this time. Problem may be intermittent. See INTERMITTENTS in TROUBLE SHOOTING - NO CODES article.

Fig 1: Locating ABS/TCS Control Unit

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Identifying ABS/TCS Control Unit Harness Connector Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.