Driver Side Door Switch Check

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

Fig 1: Checking Voltage Between Terminal 29 And Ground

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 Continuity Between Terminals 1 And 2

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.