Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 06. BODY 14. SECURITY AND LOCKS 02. Door Lock Control System
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DOOR LOCK CONTROL SYSTEM SECURITY AND LOCKS 2. Door Lock Control System A: SCHEMATIC 1. DOOR LOCK CONTROLB: INSPECTION 1. SYMPTOM CHART Symptom Repair order Reference The door lock control system does 1. Check the fuse. 2. Check the power supply and ground circuit for 3. Check the door lock switch and the circuit. 4. Check the door lock actuator and the circuit. The door lock switch does not oper- Check the door lock switch and the circuit. A specific door lock actuator does not Check the door lock actuator and the circuit. 2. CHECK FUSE Step Check Yes No 1 CHECK FUSE. In the fuse blown out? Replace the fuse Check the power Remove and visually check the fuse No. 2 (in with a new one. supply and ground the main fuse box). circuit. SL-8 DOOR LOCK CONTROL SYSTEM SECURITY AND LOCKS 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Step Check Yes No 1 CHECK POWER SUPPLY. Is the voltage more than 10 V? Go to step 2. Check the harness 1)Disconnect the body integrated module har- for open circuits or ness connector. shorts between 2)Measure the voltage between the harness the body inte- connector terminal and chassis ground. grated module and Connector & terminal the fuse. (B280) No. 1, 2 (+) -- Chassis ground (-): 2 CHECK GROUND CIRCUIT. Is the resistance less than 10 The power supply Repair the har- Measure the resistance between the harness ? and ground circuit ness. connector terminal and chassis ground. is OK. Connector & terminal (B280) No. 4, 13 -- Chassis ground: 4. CHECK DOOR LOCK SWITCH AND CIRCUIT Step Check Yes No 1 CHECK DOOR LOCK SWITCH CIRCUIT. Is the resistance less than 10 Go to step 2. Go to step 3. 1)Disconnect the body integrated module har- ? ness connector. 2)Measure the resistance between the har- ness connector terminal and chassis ground when moving the door lock switch to LOCK. Connector & terminal (B281) No. 12 -- Chassis ground: 2 CHECK DOOR LOCK SWITCH CIRCUIT. Is the resistance less than 10 The door lock Go to step 3. Measure the resistance between the harness ? switch is OK. connector terminal and chassis ground when the door lock switch is moved to UNLOCK. Connector & terminal (B281) No. 11 -- Chassis ground: 3 CHECK DOOR LOCK SWITCH. Is the resistance less than 10 Go to step 4. Replace the door 1)Disconnect the door lock switch harness ? lock switch. connector. 2)Measure the resistance between the door lock switch terminals when moving the door lock switch to LOCK. Connector & terminal Driver's side: (D7) No. 5 -- No. 9 Passenger's side: (D62) No. 4 -- No. 5 4 CHECK DOOR LOCK SWITCH. Is the resistance less than 1 Check the harness Replace the door Measure the resistance between the door lock ? for open circuits or lock switch. switch terminals when moving the door lock shorts between switch to UNLOCK. the body inte- Connector & terminal grated module and Driver's side: the door lock (D7) No. 5 -- No. 8 switch. Passenger's side: (D62) No. 2 -- No. 5 SL-9 DOOR LOCK CONTROL SYSTEM SECURITY AND LOCKS 5. CHECK DOOR LOCK ACTUATOR AND CIRCUIT Step Check Yes No 1 CHECK OUTPUT SIGNAL. Is the voltage more than 10 V? Go to step 2. Replace the body Measure the voltage between the harness con- integrated module. nector terminal of body integrated module and chassis ground when moving the door lock switch to LOCK. Connector & terminal (B280) No. 6 (+) -- Chassis ground (-): 2 CHECK OUTPUT SIGNAL. Is the voltage more than 10 V? Go to step 3. Replace the body Measure the voltage between the harness con- integrated module. nector terminal of body integrated module and chassis ground when moving the door lock switch to UNLOCK. Connector & terminal (B280) No. 7 (+) -- Chassis ground (-): 3 CHECK DOOR LOCK ACTUATOR. Is the door lock actuator OK? Check the harness Replace the door Check the door lock actuator. for open circuits or lock actuator. Front door lock actuator: the body inte- Rear door lock actuator: the door lock actu- Rear gate latch lock actuator: SL-10
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