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Check Door Lock Switch And Circuit

CHECKING STEPS REFERENCE

Step Check Yes No
1 CHECK DOOR LOCK SWITCH CIRCUIT. 
  1. Disconnect the integrated module harness connector.
  2. Measure the resistance between the harness connector terminal and chassis ground when moving the door lock switch to LOCK.

    Connector & terminal 

    1. (B280) No. 12 - Chassis ground: 
 Is the measured value less than 10 Ω? Go to step 2. Go to step 3.
2 CHECK DOOR LOCK SWITCH CIRCUIT. 
Measure the resistance between the harness connector terminal and chassis ground when the door lock switch is moved to UNLOCK.
Connector & terminal 
  1. (B280) No. 11 - Chassis ground: 
 Is the measured value less than 10 Ω? The door lock switch is OK. Go to step 3.
3 CHECK DOOR LOCK SWITCH. 
  1. Disconnect the door lock switch harness connector.
  2. Measure the resistance between the door lock switch terminals when moving the door lock switch to LOCK.

    Connector & terminal 

    1. Driver's side: 
    2. (D7) No. 1 - NO. 2 
    3. Passenger's side: 
    4. (D62) No. 2 - No. 5 
 Is the measured value Less than 1 Ω? Go to step 4. Replace the door lock switch.
4 CHECK DOOR LOCK SWITCH. 
Measure the resistance between the door lock switch terminals when moving the door lock switch to UNLOCK.
Connector & terminal 
  1. Driver's side: 
  2. (D7) No. 1 - NO. 6 
  3. Passenger's side: 
  4. (D62) No. 1 - NO. 5 
 Is the measured value Less than 1 Ω? Check the harness for open circuits or shorts between the integrated module and the door lock switch. Replace the door lock switch.
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