Driver Side Door Switch Check

Check voltage between smart entrance control unit terminal 29 and ground.

Fig 1: Checking Door Switch Input Signal

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

Voltage [V]: 

Condition of driver's door: CLOSED Approx. 5 

Condition of driver's door: OPENED 0 

OK or NG 

1. OK: Front door switch LH is OK.
2. NG: GO TO 2.

Check continuity between terminals 1 and 2.

Fig 2: Checking Driver Side Door Switch

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

Continuity: 

Door switch is pushed. No 

Door switch is released. Yes 

OK or NG 

1. OK: Check the following. 

   Door switch ground circuit

   Harness for open or short between smart entrance control unit and door switch

2. NG: Replace front door switch LH.