PINPOINT TEST L : THE LHF (LEFT-HAND FRONT) A-PILLAR TWEETER SPEAKER IS INOPERATIVE
L1 CHECK THE AUDIO SIGNAL TO THE LHF (LEFT-HAND FRONT) A-PILLAR TWEETER SPEAKER
Ignition OFF. Disconnect: LHF A-Pillar Tweeter Speaker C9063. Operate the audio system in AM/ FM mode. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C9063-1 | C9063-3 |
Is a fluctuating AC voltage present?
Yes | INSTALL a new LHF A-pillar tweeter speaker. REFER to: A-Pillar Speaker (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation). | |
|---|---|---|
No | GO to L2 | |
L2 CHECK THE AUDIO CIRCUITS TO THE LHF (LEFT-HAND FRONT) A-PILLAR TWEETER SPEAKER FOR A SHORT TO VOLTAGE
Ignition OFF. Disconnect: Audio DSP Module C2385C. Disconnect: LHF Door Midwoofer Speaker C513. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C9063-1 | Ground | |
C9063-3 | Ground |
Is any voltage present?
Yes | REPAIR the circuit in question. | |
|---|---|---|
No | GO to L3 | |
L3 CHECK THE AUDIO CIRCUITS TO THE LHF (LEFT-HAND FRONT) A-PILLAR TWEETER SPEAKER FOR A SHORT TO GROUND
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.