Check Component

Inspect ECT sensor. See SYSTEM/COMPONENT TESTS article in the ENGINE PERFORMANCE section. Replace ECT sensor if necessary and perform FINAL CHECK  . If ECT sensor is okay, check ECM pin terminals and wiring harness connector and repair as necessary.

Fig 1: Locating ECT Sensor Harness Connector (Sentra)

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

Fig 2: DTC 13, Checking Power Supply (Sentra)

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

Fig 3: DTC 13, Checking Ground Circuit (Sentra)

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