Intake Door Motor Circuit

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

SYMPTOM:

Intake door does not change .

CHECK POWER SUPPLY FOR INTAKE DOOR MOTOR
Disconnect intake door motor harness connector.

Do approx. 12 volts exist between intake door motor harness terminal Nos. 1, 2 and body ground?

Fig 1: Checking Power Supply For Intake Door Motor
Courtesy of NISSAN MOTOR CO., U.S.A.

Yes or No
- Yes: GO TO 3.
- No: GO TO 2.
CHECK CIRCUIT CONTINUITY BETWEEN INTAKE DOOR MOTOR AND AIR CONTROL UNIT
Check circuit continuity between A/C control unit harness terminal Nos. 10 (11) and intake door motor harness terminal Nos. 2 (1).

Fig 2: Checking Circuit Continuity Between Intake Door Motor And Air Control Unit
Courtesy of NISSAN MOTOR CO., U.S.A.

If OK, check harness for short .

Yes or No
- Yes: Replace A/C control unit.
- No: Repair harness or connector.
CHECK CIRCUIT CONTINUITY OF INTAKE DOOR MOTOR
Check circuit continuity between intake door motor harness terminal No. 1 and No. 2.

Fig 3: Checking Circuit Continuity Between Intake Door Motor Harness Terminal No 1 And No 2
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: GO TO 4.
- NG: Replace intake door motor.
CHECK INTAKE DOOR LINKAGE
Refer to , "CONTROL LINKAGE ADJUSTMENT ".

OK or NG
- OK: INSPECTION END .
- NG: Repair or adjust.