Bluetooth Microphone Malfunction Holden Genuine Accessory
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using the diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category Circuit/System Description. |
Diagnostic Fault Information
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
Bluetooth Switch Signal | 1, 2 | 1, 2 | 1, 2 | -- |
Bluetooth Module Microphone Signal (+) | 2, 3 | 2, 3 | 2, 3 | -- |
Bluetooth Module Microphone Signal (1) | 2, 3 | 2, 3 | 2, 3 | -- |
1. Bluetooth Communication Inoperative. 2. Bluetooth Communication Malfunction. 3. Person called can clearly be heard but the person called is unable to hear the caller. | ||||
Circuit/System Description
The Bluetooth Module is a cellular device that is powered by battery positive voltage, Ignition I voltage and ground from a patch harness connected between the radio connectors. It allows a cordless link between a cellular telephone and the vehicle Bluetooth communication system. The Bluetooth Module is not connected to the GMLAN system. It communicates with the cellular telephone via low-power radio waves. Due to the low power of the signal, approximately 1 milliwatt, a cellular telephone must be within 10 meters (32 feet) of the vehicle's Bluetooth module to connect an operate.
Reference Information
Schematic Reference
Bluetooth Communication Schematics
Connector End View Reference
Description and Operation
Bluetooth Communication Description and Operation
Component View Reference
Bluetooth Communication Component Views
Electrical Information Reference
Circuit/System Verification
Important: Perform this diagnostic if the person called can clearly be heard but the person called is unable to hear the caller.
Ignition ON, press Bluetooth button and make a phone call. Verify that your voice cannot be heard clearly by the person called.
Circuit/System Testing
- Ignition OFF, disconnect the connector at the Bluetooth Microphone.
- Test for less than 1.0 ohm between the low reference circuit terminal 1 and ground.
- Ignition ON, test for 8.0-8.5 volts between the signal circuit terminal 2 and ground.
| ⇒ | If greater than the specified value, test the ground circuit for an open/high resistance. If the circuit tests normal, replace the Bluetooth module. |
| ⇒ | If greater than the specified range, test the signal circuit for a short to voltage. |
| ⇒ | If less than the specified range, test the voltage reference circuit for a short to ground or an open/high resistance. |
| ⇒ | If the circuit tests normal, replace the Bluetooth module. |
Component Testing
Bluetooth Microphone Tests
- Ignition OFF, disconnect the connector at the Bluetooth switch.
- Test for 5.4-6.2 k/Ohms between terminals 2 and 1.
| ⇒ | If the resistance is not within the specified range, replace the Bluetooth microphone assembly. |
Repair Instructions
For component removal and installation refer to the accessory fitting instructions. Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
