Diagnosis Procedure

2013 Nissan-Datsun Juke S, FWDSECTION Diagnosis Procedure
  1. CHECK CONTINUITY TELEPHONE ON SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect TEL adapter unit connector and audio unit connector.
    3. Check continuity between TEL adapter unit harness connector and audio unit harness connector.
      TEL adapter unit Audio unit Continuity
      Connector Terminal Connector Terminal
      M127 11 M94 54 Existed
    4. Check continuity between TEL adapter unit harness connector and ground.
      TEL adapter unit Ground Continuity
      Connector Terminal
      M127 11 Not existed

      Is inspection result OK? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK TELEPHONE ON SIGNAL 
    1. Connect audio unit connector and TEL adapter unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between audio unit harness connector and ground.
      Probe Condition Standard Reference value (Approx.)
      (+) (-)
      Audio unit Ground
      Connector Terminal
      M94 54 While using hands-free phone system. 1.32 V or less 0 V
      While not using handsfree phone system. 1.33 V or more 5.0 V

      Is inspection result OK? 

      YES: INSPECTION END

      NO: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.