Phone Switch Stuck

Test 1-2:

Test 3-6:

Test 7:

SYMPTOM
PHONE SWITCH STUCK

WHEN MONITORED
With the ignition on.

SET CONDITION
The Hands Free Module detects voltage between 2.8 volts and 3.3 volts on the VR/Phone Switch Signal circuit for more than 30 seconds.

POSSIBLE CAUSES
- Hands free module
- Hands free module
- Hands free module
- Rear view mirror
- Sensor ground circuit open
- VR/phone switch signal circuit open
- VR/phone switch signal circuit shorted to ground
- VR/phone switch signal circuit shorted to sensor ground
- VR/phone switch signal circuit shorted to voltage