Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM: Intake sensor circuit is open or shorted.

Fig 1: Checking Intake Sensor Circuit Is Open Or Shorted

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

CHECK INTAKE SENSOR CIRCUIT BETWEEN INTAKE SENSOR AND BODY GROUND
Disconnect intake sensor harness connector.

Fig 2: Terminals Continuity Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Intake Sensor Circuit Between Intake Sensor And Body Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 2.
2. NG: Repair harness or connector.
CHECK INTAKE SENSOR CIRCUIT BETWEEN INTAKE SENSOR AND A/C CONTROL UNIT
Disconnect A/C control unit harness connector.

Fig 4: Terminals Continuity Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Intake Sensor Circuit Between Intake Sensor And A/C Control Unit
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 3.
2. NG: Repair harness or connector.
CHECK INTAKE SENSOR
Refer to "INTAKE SENSOR CIRCUIT ".

OK or NG
1. OK: Replace A/C control unit.
2. NG: Replace intake sensor.