Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2280B-18 | Ground |
Is the resistance less than 3 ohms?
Yes | GO to A16 |
|---|---|
No | GO to A10 |
A10 ISOLATE THE HORN SWITCH
Connect BCM C2280B. Remove the driver airbag. REFER to: Driver Airbag (501-20B Supplemental Restraint System, Removal and Installation). Momentarily connect a fused jumper wire:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C217-3 | C217-4 |
Does the horn sound?
Yes | REMOVE the fused jumper wire. INSTALL a new driver airbag (includes horn switch). REFER to: Driver Airbag (501-20B Supplemental Restraint System, Removal and Installation). |
|---|---|
No | REMOVE the fused jumper wire. GO to A11 |
A11 CHECK THE HORN SWITCH GROUND
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C217-3 | Ground |
Is the resistance less than 3 ohms?
Yes | GO to A14 |
|---|---|
No | GO to A12 |
A12 CHECK THE HORN SWITCH GROUND
Disconnect Clockspring C218A. Disconnect Clockspring C218B. Connect a fused jumper wire:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C218A-4 | C218B-1 |
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C217-3 | Ground |
Is the resistance less than 3 ohms?
Yes | REMOVE the fused jumper wire. INSTALL a new clockspring. REFER to: Clockspring (501-20B Supplemental Restraint System, Removal and Installation). |
|---|---|
No | REMOVE the fused jumper wire. GO to A13 |
A13 CHECK THE CLOCKSPRING GROUND CIRCUIT FOR AN OPEN
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.