The Led Does Not Display The Status. (Led Malfunction): Wiring diagram

Telematics Ref. to WIRING SYSTEM>Telematics System>WIRING DIAGRAM .

Fig 1: LED Malfunction System Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

1. CHECK THE SUBSCRIPTION STATUS. 

   Display the data monitor [Account Status] of the Telematics. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Data Monitor .

   Is the data [TRUE]?

   • Yes: Go to 2. 
   • No: The user does not have a service subscription; therefore, it is not a failure. (Both LEDs are turned off.)
2. CHECK THE LED. 
   1. Turn the ignition switch to ON.
   2. Check the LED condition.

   Does the RED LED go off and the GREEN LED illuminate?

   • Yes: The circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis.
     NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
   • No: Go to 3. 
3. CHECK DTCS. 

   Read DTCs of the Telematics. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .

   Is DTC B2A0A or B2A0B displayed?

   • Yes: Perform the diagnosis for the displayed DTC B2A0A or B2A0B. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A0A RED LED CIRCUIT . Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2A0B GREEN LED CIRCUIT .
   • No: Go to 4. 
4. CHECK THE LED ILLUMINATION CONDITION. 

   Perform the active test for the Telematics. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Active Test .

   Is the LED turned on or off?

   • Yes: Go to 5. 
   • No: Go to  6.
5. CHECK THE LED. 
   1. Turn the ignition switch to ON.
   2. Check the LED condition.

   Does the RED LED go off and the GREEN LED illuminate?

   • Yes: The circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis.
     NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
   • No: Replace the DCM. Ref. to ENTERTAINMENT>Data Communication Module .
6. CHECK THE LED. 

   Measure the continuity of the telematics button (LED) unit.

   Connector & terminal 

   (AD2) No. 4 - (AD2) No. 1:

   (AD2) No. 7-(AD2) No. 1:

   Is there continuity?

   • Yes: Replace the DCM. Ref. to ENTERTAINMENT>Data Communication Module .
   • No: Replace the telematics button. Ref. to ENTERTAINMENT>Switches and Harness .