Test K: DTC B2633 Driver - Front Microphone Circuit Failure

PINPOINT TEST K: DTC B2633 DRIVER - FRONT MICROPHONE CIRCUIT FAILURE

K1:

K1-K3:

K3-K5:

K5-K6:

Normal Operation
The navigation system microphone is integrated into the interior rear view mirror. Circuits 1196 (DG/WH) and 1197 (LG/BK) provide the microphone input from the interior rear view mirror to the navigation system module.

Possible Causes
- circuit 1196 (DG/WH) open or short
- circuit 1197 (LG/BK) open or short
- microphone
- navigation system module