LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2007 >> Impreza Outback Sport, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security And Locks >> Keyless Entry System >> Inspection >> Check Output Signal To Body Integrated Unit

Check Output Signal To Body Integrated Unit

CHECK STEP FOR OUTPUT SIGNAL TO BODY INTEGRATED UNIT

Step Check Yes No
1 CHECK OUTPUT SIGNAL. 
Measure the voltage between the keyless entry control module harness connector terminal and the chassis ground when the UNLOCK/DIS-ARM button of the transmitter is pressed.

Connector & terminal 

(B176) No. 18 (+) - Chassis ground (-): 

 Is the voltage 10 V or more? Go to step 2.  Replace the keyless entry control module.
2 CHECK OUTPUT SIGNAL. 
Measure the voltage between the keyless entry control module harness connector terminal and the chassis ground when the LOCK/ARM button of the transmitter is pressed.

Connector & terminal 

(B176) No. 19 (+) - Chassis ground (-): 

 Is the voltage 10 V or more? Go to step 3.  Replace the keyless entry control module.
3 CHECK HARNESS BETWEEN KEYLESS ENTRY CONTROL MODULE AND BODY INTEGRATED UNIT. 
  1. Disconnect the keyless entry control module harness connector and body integrated unit harness connector.
  2. Measure the resistance between the keyless entry control module harness connector and body integrated unit harness connector terminals.

    Connector & terminal 

    (B176) No. 18 - (B281) No. 14: 

    (B176) No. 19 - (B281) No. 13: 

 Is the resistance less than 10 Ω? Replace the body integrated unit. Check the harness for open or short circuits between the keyless entry control module and body integrated unit.
scientia non olet · About LEMON Manuals