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Home >> Lexus >> 2007 >> LX 470 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Cellular Communication >> LEXUS Link System >> DTC 2-3 Digital Signal Processor Communication Error; DTC 2-4 GPS Communication Error >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

  1. RESET MAYDAY ECU ASSEMBLY 
    1. Exit diagnosis mode and wait for 10 seconds.
    2. Disconnect the cable from the negative (-) battery terminal, and wait for 10 minutes.
    3. Reconnect the cable to the negative (-) battery terminal, and wait for 10 seconds.
    4. Turn the ignition switch ON, and then check for the current DTC again.

      Result 

      RESULT CHART

      Result Proceed to
      Current DTC 2-3 or 2-4 exists A
      Historic DTC 2-3 or 2-4 exists B

    B: CLEAR HISTORIC DTC 

    A: REPLACE MAYDAY ECU ASSEMBLY TOGETHER WITH MAYDAY BATTERY AND THEN PERFORM REGISTRATION 

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