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Home >> Subaru >> 2007 >> B9 Tribeca Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Security And Locks >> Keyless Entry System >> Inspection >> Check Keyless Entry Control Module
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Check Keyless Entry Control Module

KEYLESS ENTRY CONTROL MODULE DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK DIAGNOSTIC TROUBLE CODE (DTC). 
  1. Connect the Subaru Select Monitor to data link connector.
  2. Turn the ignition switch to ON.
  3. Select {Integ. unit} from main menu.
  4. Select the {Diagnostic Trouble Code}.
  5. Check that the DTC is displayed.
 Is DTC B0500 "Keyless UART com. Malfunction" displayed? Go to step 2. Keyless entry control module is normal.
2 CHECK POWER SUPPLY. 
  1. Disconnect the keyless entry control module harness connector.
  2. Measure the voltage between harness connector terminal and chassis ground.

    Connector & terminal 

    (i96) No. 4 (+) - Chassis ground (-): 

 Is the voltage more than 10 V? Go to step 3. Check the harness for open circuits and shorts between the keyless entry control module and fuse.
3 CHECK GROUND CIRCUIT. 
Measure the resistance between harness connector terminal and chassis ground.

Connector & terminal 

(i096) No. 7 - Chassis ground: 

 Is the resistance less than 10 Ω? Go to step 4. Repair the harness.
4 CHECK KEYLESS ENTRY CONTROL MODULE CIRCUIT. 
  1. Disconnect the harness connector of body integrated unit.
  2. Measure the resistance between harness connector terminals.

    Connector & terminal 

    (i84) No. 9 - (i96) No. 3: 

 Is the resistance less than 10 Ω? Replace the keyless entry control module. < Ref. to KEYLESS ENTRY CONTROL MODULE . > Repair the harness.
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