1. Disconnect the negative battery cable.
2. Remove the intake maniforld.(see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
3. Remove the PCV valve.
4. Blow through the valve and verify that air flows as specified.
Specification
Mazda 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: No.5 tcs off light does not illuminate with ignition switch on
Diagnostic procedure
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure co ...