Microphone Diagnostics

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

The symptom chart below should be used when diagnosing microphone faults

REPORTED SYMPTOM	SYMPTOM DESCRIPTION	POTENTIAL CAUSES (FOR GUIDANCE ONLY)	RECOMMENDED ACTION
Voice command is not working	When pressing the voice command button on the steering wheel, the system is not responding	Issue with steering wheel switches No microphone (s) installed Microphone not connected correctly Faulty microphone	Check and confirm customer's vehicle does have voice command capability installed on the vehicle and that the voice command function is enabled The microphone is shared between the Bluetooth telephone function and the voice command function. Check that the voice command function works by giving a voice command, for example "Telephone Help" or "Navigation Help". Check that Bluetooth telephone calls can be made. Ensure that the following criteria are satisfied before any telephone call is attempted: The telephone handset and associated level of software is included on the JLR approved list The telephone/device battery is fully charged and in a serviceable condition There is a reliable telephone network reception signal of suitable strength The telephone/device is placed within the vehicle cabin area The telephone/device is connected to the vehicle via Bluetooth If the voice command function works and the phone call receiver can hear the caller adequately when calls are made from the vehicle, this suggests that the fault is not with the microphone If the phone call was unsuccessful and the voice command is inoperative, first check if there are any SSMs/TSBs for voice command functions, microphones or Bluetooth and perform the specified rectifications as required. Retest to confirm if the issue has been resolved. If the fault is still present, go to next step Connect the manufacturer approved diagnostic system, check for related DTCs and any recommended software updates. If DTCs are present or if software updates are required, perform the necessary remedial actions as specified by the SDD tool. After performing the necessary actions, confirm if the customer fault is still present. If no DTCs are logged and/or no software updates are required, go to the next step Gain access to the microphone to check the following: Check the microphone is fitted to driver's side of the vehicle and rectify as required Check the harness assembly is not trapped and rectify as required Check the harness assembly connections are fully inserted and secured to the microphone and rectify as required Check for any harness damage and repair as required Check the microphone for the following and replace the component if any damage is evident: Check the microphone connector is free from damage and corrosion Check for visual damage to the microphone e.g. wiring or casing If the fault is still present following replacement of the microphone, contact JLR Dealer Technical Support following the guidelines in the policy and procedures manual
Bluetooth telephone - 3rd party hears interference	When customer uses the telephone via a Bluetooth connection, the call receiver hears interference over the caller's audio signal	The phone/device is incompatible with JLR infotainment system Poor (suboptimal) placement of the phone/device within the vehicle Poor mobile phone network reception High mobile phone network demand Damaged microphone harness Microphone unclipped from housing No microphone (s) installed Microphone not connected correctly Faulty microphone
Bluetooth telephone - 3rd party cannot hear caller at all	When customer uses the telephone via a Bluetooth connection, the call receiver cannot hear the caller