B1775

Factory Manual References

Factory service manual diagnostic procedure for 2009 acura csx

DTC 2707: MIC Diag

NOTE: Before you troubleshoot, make sure to follow the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION  ).
  1. Clear the hard error code (see HOW TO CLEAR ERROR HISTORY  ).
  2. Turn the ignition switch to LOCK (0), and then back to ON (II).
  3. Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis items menu (see SYSTEM DIAGNOSTIC MODE  ).
  4. Select the System Links.

    Is the Mic icon red? 

    YES  -Go to step 5.

    NO  -Go to step  8.

  5. Turn the ignition switch to LOCK (0).
  6. Check for poor connections or loose terminals at the HandsFreeLink control unit 28P connector, the HFL-navigation microphone 3P connector, and the navigation unit B (24P) connector.

    Are the connections OK? 

    YES  -Go to step 7.

    NO  -Repair the poor connections or loose terminals.

  7. Check for DTCs with the HDS.

    Is DTC B1775 or B1776 indicated? 

    YES  -Troubleshoot the indicated DTC.

    NO  -Replace the HFL-navigation microphone (see HFL-NAVIGATION MICROPHONE REMOVAL/INSTALLATION  ).

  8. Select the Mic in the System Links.
  9. Press the navigation Talk button on the steering wheel switch, then check the Mic Level (see MIC LEVEL  ).

    Is the microphone level OK? 

    YES  -Intermittent failure, the system is OK at this time.

    NO  -Replace the HFL-navigation microphone (see HFL-NAVIGATION MICROPHONE REMOVAL/INSTALLATION  ).

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

Circuit Diagram

Diagram

Circuit Diagram

Diagram

Circuit Diagram

Diagram

Body Controller Area Network (B-CAN) and Fast Controller Area Network (F-CAN)

Diagram

Circuit Diagram

Diagram

Circuit Diagram

Location

Component Location Index

Location

Component Location Index

Location

Component Location Index

Location

Component Location Index

Fuse/Relay

DTC B1026: Front Passenger's Door Lock Switch Signal Error

Fuse/Relay

DTC B1127: Driver's Door Key Cylinder Switch Signal Error

Fuse/Relay

DTC B1128: Driver's Door Lock Switch Signal Error (LOCK/UNLOCK)

Fuse/Relay

DTC B1129: Driver's Door Lock Knob Switch Signal Error (LOCK/UNLOCK)

Related Procedures

Procedure

Delete or add multiple keys

Procedure

Doors automatically relock after being unlocked with the transmitter even though a door has been opened

Procedure

AM/FM Antenna Amplifier Replacement

Procedure

Auxiliary Jack Assembly Replacement

Procedure

Audio disc cannot be inserted and/or ejected (with navigation)

Procedure

Audio disc does not eject