With DSC
1. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION)
2. Disconnect the steering angle sensor connector.
3. Connect battery positive voltage to terminal A and ground to terminal F of the steering angle sensor.
4. Turn the steering wheel to the right and left, and verify that the voltage and pulses at the terminals are as shown in the figure.

Combination switch disassembly/assembly
Light switch removal/installationMazda 6 Service Manual: Setting the System
When the MODE switch is pressed, the Mazda Radar Cruise Control (MRCC) main indication
(white) turns on and the vehicle speed and the distance between vehicles while in
headway control can be set.
NOTE
When the ignition is switched to ACC or OFF while the Mazda Radar Cruise
Control (MR ...
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 ...