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Home >> Toyota >> 2003 >> Highlander Base, 2.4 D, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 885 (Audio, Visual, Navigation System (Base Audio)) >> System Description >> Diagnosis System (BLUETOOTH® Control Unit) >> Work Flow

Work Flow

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
Failure Message Action
"Internal failure" Replace Bluetooth® control unit. Refer to "REMOVAL AND INSTALLATION ".
"Bluetooth® antenna open"
  1. Inspect harness connection.
  2. Replace Bluetooth® antenna.
"Bluetooth® antenna shorted"
"Phone/Send for Hands Free System is stuck" Check steering wheel audio control switches. Refer to "DESCRIPTION ".
"Phone/End for the Hands Free System is stuck"
"Microphone test" (failed interactive test)
  1. Inspect harness between Bluetoot®h control unit and microphone.
  2. Replace microphone. Refer to "REMOVAL AND INSTALLATION ".
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