Brake Light Noise Filter
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.


3. Install in the reverse order of removal.
Rear Window Defroster Noise Filter
1. Disconnect the negative battery cable.
2. Remove the rear package trim.
3. Remove in the order indicated in the table.


4. Install in the reverse order of removal.
Woofer inspection
Noise filter inspectionMazda 6 Service Manual: System wiring diagram
ABS (ABS/TCS)
DSC
FOREWORD
Before performing the steps in Symptom Troubleshooting, perform the
On-board Diagnostic Inspection. To check the DTC, follow the DTC Inspection
steps.
...
Mazda 6 Service Manual: Light switch inspection
Light switch LH side
1. Remove the light switch. (See LIGHT SWITCH REMOVAL/INSTALLATION)
2. Inspect for continuity between the light switch terminals using an
ohmmeter.
If not as specified, replace the light switch.
Headlight switch
Turn switch
Light switch RH side
1. Remove th ...