Voice Recognition/Phone Switch Circuit Rationality

Test 1 - 2:

Test 3 - 6:

Test 7:

SYMPTOM
VOICE RECOGNITION/PHONE SWITCH CIRCUIT RATIONALITY

TEST NOTE
This symptom is diagnosed using the test PHONE SWITCH STUCK.

WHEN MONITORED
With the ignition on.

SET CONDITION
The Hands Free Module detects an invalid voltage signal on the VR/Phone Switch Signal circuit.

POSSIBLE CAUSES
- Automatic day/night mirror
- Hands free module
- Hands free module
- Hands free module
- 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