Normal Operation and Fault Conditions
REFER to: Information and Entertainment System - System Operation and Component Description (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Description and Operation). See ANC, ANC Microphones, and DACMC.
DTC Fault Trigger Conditions
Description | Fault Trigger Conditions |
|---|---|
B116A:01 Handset Microphone: General Electrical Failure | Set by the DACMC when a failure is detected on the overhead console ANC microphone circuits. |
DTC
Possible Sources
Wiring, terminals, or connectors Overhead console ANC microphone DACMC
PINPOINT TEST AB : B116A:01
AB1 CHECK THE OVERHEAD CONSOLE ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR A SHORT TO VOLTAGE
Ignition OFF. Disconnect: ACM C240B. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C240B-1 | Ground | |
C240B-14 | Ground |
Is any voltage present?
Yes | REPAIR the circuit in question. |
|---|---|
No | GO to AB2 |
AB2 CHECK THE OVERHEAD CONSOLE ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR A SHORT TO GROUND
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|
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