1. Disconnect the negative battery cable.
2. Remove the headlight cleaner switch. (See HEADLIGHT CLEANER SWITCH REMOVAL/INSTALLATION)
3. Inspect for continuity between the headlight cleaner switch terminals using an ohmmeter.


Headlight cleaner switch removal/installationMazda 6 Service Manual: Power steering pressure (psp) switchinspection
Note
Perform the following inspection only when directed.
Continuity Inspection
1. Inspect the following if the power steering is inoperative (See POWER
STEERING FLUID INSPECTION.):
Power steering fluid level
Power steering fluid leakage
Power steering fluid pressure
2. Disconne ...
Mazda 6 Service Manual: No.1 air bag system warning light does not illuminate
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 connec ...