Power Supply And Ground Circuit Check
WARNING: This page is about a different car, the 2006 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK MAIN POWER SUPPLY CIRCUIT FOR SMART ENTRANCE CONTROL UNIT
- Disconnect smart entrance control unit harness connector.
- Check voltage between smart entrance control unit harness connector terminals 10, 11 and ground.
Fig 1: Checking Voltage Between Smart Entrance Control Unit Harness Connector Terminals 10, 11 And GroundCourtesy of NISSAN MOTOR CO., U.S.A.
Refer to "FIG. 1 ".
OK or NG
OK: GO TO 2.
NG: Check the following.
- 30A fusible link (letter d, located in fuse and fusible link box)
- 10A fuse (No. 37, located in fuse and fusible link box)
- M6 circuit breaker
- Harness for open or short between smart entrance control unit and fuse
- CHECK IGNITION SWITCH ACC CIRCUIT
- Disconnect smart entrance control unit harness connector.
- Check voltage between smart entrance control unit harness connector terminal 21 and ground while ignition switch is in ACC.
Fig 2: Checking Voltage Between Smart Entrance Control Unit Harness Connector Terminal 21 And GroundCourtesy of NISSAN MOTOR CO., U.S.A.
Refer to "FIG. 1 ".
OK or NG
OK: GO TO 3.
NG: Check the following.
- 10A fuse [No. 1, located in fuse block (J/B)]
- Harness for open or short between smart entrance control unit and fuse
- CHECK GROUND CIRCUIT FOR SMART ENTRANCE CONTROL UNIT
Check continuity between smart entrance control unit harness connector terminal 16 and ground.
Fig 3: Checking Continuity Between Smart Entrance Control Unit Harness Connector Terminal 16 And GroundCourtesy of NISSAN MOTOR CO., U.S.A.
Refer to "FIG. 1 ".
OK or NG
OK: Power supply and ground circuits are OK.
NG: Repair or replace harness.