Check Front Door Switch (Driver Side) Circuit

1. Turn ignition switch OFF.
2. Check voltage between BCM connector and ground.
   VOLTAGE SPECIFICATION
   
   

   Terminals			Door condition		Voltage (V) (Approx.)
   (+)		(-)
   BCM connector	Terminal
   M3	62	Ground	Driver side	OPEN	0
   				CLOSE	Battery voltage

OK or NG 

OK: Door switch circuit is OK.

NG: GO TO 2.

Fig 1: Checking Voltage Between BCM Connector And Ground

1. Turn ignition switch OFF.
2. Disconnect BCM and door switch (driver side) connector.
3. Check continuity between BCM connector and door switch (driver side) connector.
   CONTINUITY SPECIFICATION
   
   

   A		B		Continuity
   BCM connector	Terminal	Door switch connector	Terminal
   M3	62	B11	2	Yes

4. Check continuity between BCM connector ground.
   CONTINUITY SPECIFICATION
   
   

   A		Ground	Continuity
   BCM connector	Terminal
   M3	62		No

   Fig 2: Checking Continuity Between BCM Connector And Door Switch (Driver Side) Connector

   

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

Check continuity door switch (driver side).

OK or NG 

OK: GO TO 4.

NG: Replace door switch (driver side).

Fig 3: Checking Continuity Door Switch (Driver Side)

1. Connect BCM connector.
2. Check voltage between BCM connector ground.
   VOLTAGE SPECIFICATION
   
   

   Terminal			Voltage (V) (Approx.)
   (+)		(-)
   BCM connector	Terminal
   M3	62	Ground	Battery voltage

OK or NG 

OK: Check the condition of the harness and the connector.

NG: Replace BCM.

Fig 4: Checking Voltage Between BCM Connector Ground