1. Inspect for continuity between the audio amplifier connector terminals and woofer connector terminals using an ohmmeter.


2. Verify that there is battery positive voltage at the woofer connector terminal A (4SD) or C (5HB) using a voltmeter.
3. Inspect continuity between the woofer connector terminal B and body ground using an ohmmeter.
Woofer removal/installation
Noise filter removal/installationMazda 6 Service Manual: Abs (abs/tcs) on-board diagnosis
On-Board Diagnostic (OBD) Test Description
The OBD test inspects the integrity and function of the ABS (ABS/TCS)
and outputs the results when requested by the specific tests.
On-board diagnostic test also:
- Provides a quick inspection of the ABS (ABS/TCS) usually performed at
the ...
Mazda 6 Service Manual: Foreword
When the customer reports a vehicle malfunction, check the malfunction
indicator lamp (MIL), HOLD indicator light flashing, and PCM memory for
diagnostic trouble code (DTC), then diagnose the malfunction according to
following flowchart.
- If the DTC exists, diagnose the applicable ...