Audio System With Navigation

• Technical data
  • Fastener Tightening Specifications
• Special Tools
• Technical description
  • Cellular Telephone Description and Operation
    • Bluetooth Wireless Technology
    • Bluetooth Definitions
      • Paired
      • Connected
    • Pairing a Cellular Telephone
      • Notes
      • Pairing multiple cellular telephones
    • Connecting a Cellular Telephone
    • Bluetooth Call Options
    • Cancelling the Bluetooth Connection
    • Vehicle Audio System
      • Notes
      • Setting Up The Audio System
  • Navigation System Description and Operation
    • Notes
    • Audio System Description
    • Navigation System Components
    • Navigation Radio
      • Notes
      • Navigation Radio Communications Diagram
    • Info Display Module
    • Radio/HVAC Controls
    • Global Positioning System (GPS) Antenna
    • Route Guidance
    • Voice Recognition
    • Points of Interest
    • Traffic Information
    • Weather Information
  • OnStar Description and Operation
    • Notes
    • Telematics Communication Interface Module
    • OnStar® Button Assembly
    • Secondary OnStar® Controls
    • OnStar® Microphone
    • Cellular and GPS Antennas
      • Notes
      • Navigation Signal Antenna Splitter
      • Onstar® MyLink (If Equipped)
      • Vehicle Control Features
      • Available Vehicle Data
    • Compass Heading
    • Bluetooth ® (If Equipped)
    • Bluetooth ® Features Supported
    • Pairing a Bluetooth ® Cellular Phone to the Vehicle
    • Back-up Battery (If Equipped)
    • Audio System Interface
    • OnStar® Sleep Cycle
    • Features
      • OnStar® Personal Calling
      • Turn by Turn Navigation
      • OnStar® Stolen Vehicle Slowdown (If equipped)
      • Advisor Record Feature
    • Deactivated OnStar® Accounts
    • OnStar® Cellular, GPS, and Diagnostic Limitations
    • Mobile Identification Number and Mobile Directory Number
    • Operation of the OnStar® Speech Recognition Systems
      • Notes
      • General Tips for Better Speech Recognition
  • Radio/Audio System Description and Operation
    • Notes
    • Radio Circuit Operation
      • Radio Power
      • Radio Grounds
      • Radio Data Link Communication
      • Radio Audio Outputs
      • Remote Enable Output
        • Notes
        • Radio/HVAC Communications
    • Radio/HVAC Controls
    • Antenna System
      • Multi-Band Antenna
      • Active Antenna
    • AM/FM Reception
      • Radio Signal
      • AM Reception
      • FM Reception
    • Digital Radio Receiver (If equipped)
    • Speaker Operation
    • Audio Amplifier (If equipped)
      • Amplifier Interface
      • Amplifier Operation
    • Radio Data System (RDS) (If equipped)
    • Theft Deterrent
    • OnStar ® (If equipped)
    • Steering Wheel Controls (If equipped)
    • Auxiliary Audio Input Jack (If equipped)
    • USB Port (If Equipped)
    • Multimedia Player Interface Module (MPIM) (If Equipped)
    • Noise Compensation (If equipped)
    • Speed Compensated Volume (If equipped)
  • Video Entertainment System Description and Operation
    • Notes
    • Seatback Display Circuit Operation
      • Seatback Display Power
      • Seatback Display Grounds
      • Seatback Display Outputs
    • Seatback Display Electrical Interface with Radio DVD Player
    • Seatback Display System Components
    • Video Screen
    • IR Module
    • Remote Control
    • Wireless Headphones
      • Notes
      • Wireless Headphones without Rear Seat Audio (RSA)
    • Video Inputs
    • Rear Seat Audio (RSA) (if equipped)
• Fault diagnosis, fault codes
  • Audio System With Navigation DTC Index
  • DTC B0000: Vehicle Speed Information Circuit Not Plausible
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1020: Auxiliary Electronic Control Unit (ECU) Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC B1025: Left Front Audio Output Circuit; DTC B1035: Right Front Audio Output; DTC B1045: Left Rear Audio Output; DTC B1055: Right Rear Audio Output
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Diagnostic help
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B125A: Antenna Signal Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B125C: Satellite Antenna 1 Circuit Short
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Special Tools
    • Circuit System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1265: Switched 14 Volt Performance Short to Ground
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1271: Theft Protection Active
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC B1287: Amplifier Control Signal Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1288: Video Display Mode Control Signal
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1289: Video Display Brightness Control Signal
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2455: Cellular Phone Microphone Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2462: Global Positioning System
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic help
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Testing
      • With Navigation Radio
    • Component Testing
      • Notes
      • Coax Cable Test
    • Repair Instructions
  • DTC B2470: Cellular Phone Antenna Circuit Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing (without Navigation Radio)
    • Circuit/System Testing (with Navigation Radio)
    • Component Testing
      • Notes
      • Coax Cable Test
    • Repair Instructions
  • DTC B2476: Cellular Phone Select Service Switch; DTC B2482: Cellular Phone Select Service Switch Range/Performance
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2485: Wireless Communication (BT) Antenna Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
    • Circuit/System Testing
    • Repair Instructions
• Fault diagnosis, symptoms
  • Symptoms - Cellular Communication
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Symptoms - Entertainment
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Audio/Video Player Adapter - Audio or Video Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • Bluetooth Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
      • Notes
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • Digital Radio Poor or No Reception
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • OnStar Microphone Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • OnStar Audio Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • No Global Positioning System (GPS) Reception
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
      • Without Navigation Radio
      • With Navigation Radio
    • Component Testing
      • Notes
      • Coax Cable Test
    • Repair Instructions
  • OnStar Button LED Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • OnStar Call Center Remote Function Requests Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • OnStar Button Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • OnStar Steering Wheel Control Functions Malfunction
  • Radio Poor Reception
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Speaker Replacement Reference
  • Speaker Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
      • Without Amplifier (UQ3)
      • With Amplifier (UQS)
    • Circuit/System Testing
      • Speaker Circuit Malfunction - without Amplifier
      • Speaker Circuit malfunction-with Amplifier
    • Repair Instructions
  • Unable to Contact OnStar Call Center
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing (without Navigation Radio)
    • Circuit/System Testing (with Navigation Radio)
    • Component Testing
      • Notes
      • Coax Cable Test
    • Repair Instructions
  • Video Entertainment System Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Video Entertainment System Remote Control Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Video Entertainment System Wireless Headphone Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • OnStar Voice Recognition Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
    • Circuit/System Verification
    • Repair Instructions
  • Radio controls, function interference (with colour display)
    • Diagnostics instructions
    • Circuit-/System description
    • Reference Information
      • Reference diagram
      • Connector End View Reference
      • Description and use
      • Electric reference information
      • Diagnostic tool Reference
    • System-/circuit verification
    • Circuit/system test
    • Repair Instructions
  • Radio controls, function interference (with monochrome display)
    • Diagnostic Instructions
    • Circuit-/System description
    • Reference Information
      • Schematic Reference
      • Contact end displays the reference
      • Description and use
      • Electric reference information
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System test
    • Repair Instructions
  • Extra sound input, malfunction
    • Diagnostic Instructions
    • Circuit-/System description
      • Extra sound input
      • USB port
      • Multimedia Player interface module (option)
    • Diagnostic help
      • Extra sound input
      • USB
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and use
      • Electric reference information
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
      • Extra sound input
      • USB port
    • Circuit/System test
      • Extra sound input without multimedia player interface module
      • USB port without multimedia player interface module
      • Extra sound input with multimedia player interface module
      • USB port with multimedia player, interface module
    • Repair instructions
  • Radio information display, function disturbance - DTC U0257 (with colour display)
    • Diagnostic instruction
    • Circuit-/System description
    • Reference Information
      • Schematic Reference
      • Component connector end view reference
      • Description and Operation
      • Electric information reference
      • Scan Tool References
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair instructions
  • Radio information display, function disturbance - DTC U0257 (with monochrome display)
    • Diagnostic instruction
    • Circuit-/System description
    • Reference Information
      • Schematic Reference
      • Component connector end view reference
      • Description and Operation
      • Electric information reference
      • Scan Tool References
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair instructions
• Adjustment Replacement
  • Time studies - Infotainment
    • Notes
    • Correction
    • Location (pos)
  • Mobile Telephone Microphone Replacement
  • Communication Interface Module Replacement
  • Wireless Communication Interface Antenna Replacement
  • Communication Interface Module Bracket Replacement
  • Radio Replacement
  • Traffic Information Receiver Replacement
  • Radio Control Assembly Replacement
  • Radio Speaker Amplifier Replacement
  • Multimedia Player Interface Module Replacement
  • Navigation Signal Splitter Replacement
  • Radio Antenna Base Replacement
  • Radio Antenna Replacement
  • Radio and Telephone Control Switch Replacement
  • Audio and Video Module Cable Replacement
  • Digital Radio, Mobile Telephone, and Vehicle Location Antenna Cable Replacement (dashboard)
  • Digital Radio, Mobile Telephone, and Vehicle Location Antenna Cable Replacement (headlining)
  • Radio and Navigation Antenna Cable Replacement
  • Video Display Replacement
  • Heater and Air Conditioning and Radio Control Module Replacement
  • Audio/Video Disc Player Adapter Replacement
  • Radio Front Center Speaker Replacement
  • Radio Front Speaker Grille Replacement
  • Radio Rear Speaker Housing Replacement
  • Radio Rear Speaker Grille Replacement
  • Radio Windshield Side Garnish Molding Speaker Replacement
  • Radio Front Side Door Speaker Replacement
  • Radio Rear Side Door Speaker Replacement
  • Radio Rear Compartment Speaker Replacement
  • Rear Liftgate Speaker Replacement
  • Disc player for audio and USB socket, replace
• Wiring diagram
  • Radio/Navigation System Schematics
    • Power, Ground, Serial Data, and Antenna
    • Amplifier Audio Signals (UQS)
    • Speakers (UQ3)
    • Speakers (1 of 2) (UQS)
    • Speakers (2 of 2) (UQS)
    • Rear Seat Audio Controls (ULD)
    • Radio Display (UYE)
    • Radio Display (UYS or UYY)
    • Remote Device Enable
    • External Device Interfaces (UYS or UYY without KTA)
    • External Device Interfaces (KTA)
    • Steering Wheel Audio Controls
  • OnStar Schematics
    • Power, Ground, Serial Data, and Controls (UE1)
    • Antennas, Microphone, and Radio Signals (UE1)
  • Video System Schematics
    • Power, Ground, and Remote Device Enable Signals (EWG)
    • External Device Interface and Video Signals (UWG)
    • Audio and Remote Control Signals (UWG)