Lighting Switch Input Signal Check

Check voltage between smart entrance control unit terminal 34 and ground.

Fig 1: Checking Voltage Between Terminal 34 And Ground

OK or NG 

1. OK: Lighting switch is OK.
2. NG: GO TO 2.

Is 10A fuse (No. 61, located in the fuse and fusible link box) OK?

OK or NG 

1. OK: GO TO 3.
2. NG: Replace fuse.

Check voltage between headlamp battery saver control unit terminal 6, 14 and ground.

Fig 2: Checking Voltage Between Terminal 6, 14 And Ground

OK or NG 

1. OK: Check the following. 

   Tail lamp relay

   Harness for open or short between smart entrance control unit and tail lamp relay.

2. NG: GO TO 4.

1. Disconnect headlamp battery saver control unit connector.
2. Check continuity between headlamp battery saver control unit terminal 5, 13 and ground.

Fig 3: Checking Continuity Between Terminal 5, 13 And Ground

OK or NG 

1. OK: Check headlamp battery saver control unit.
2. NG: Check the following. 

   Lighting switch

   Harness for open or short between headlamp battery saver control unit terminal 5, 13 and lighting switch terminal 11

   Harness between lighting switch terminal 5 and ground