Without ABS
1. Remove the vehicle speedometer sensor.
2. Measure voltage (AC range) between terminals of the vehicle speedometer sensor while the gear is turning.


3. Install the vehicle speedometer sensor.
Vehicle speedometer sensor removal/installation
Manual transaxle removal/installationMazda 6 Service Manual: No.8 brake system warning light stays on more than 4 seconds 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 ...
Mazda 6 Service Manual: Warning Indication/Warning Lights
These lights turn on or flash to notify the user of the system operation status
or a system malfunction.
*1 The light turns on when the ignition is switched on for an operation check,
and turns off a few seconds later or when the engine is started. If the light does
not turn on or remai ...