1. Remove the theft-deterrent control module without disconnecting the connectors.
2. Measure the voltage at the theft-deterrent control module terminals as indicated below.
3. Disconnect the theft-deterrent control module connector before inspecting for continuity at terminals L, Q, S, T, and V.
4. If not as specified, inspect the parts listed under Action.
Terminal Voltage Table (Reference)




W Terminal Inspection
1. Connect SST
(WDS or equivalent) to the vehicle DLC-2 16-pin connector.

2. Access and monitor RPM of PID using SST (WDS or equivalent).
3. Inspect for continuity between the ABS (ABS/TCS) HU/CM terminal X and the theft-deterrent control module terminal W, or DSC HU/CM terminal AB and the theft-deterrent control module terminal W using an ohmmeter.
Theft-deterrent control module removal/installation
Intruder sensor removal/installationMazda 6 Service Manual: Dsc system inspection
Preparation
1. Verify that the battery is fully charged.
2. With ignition switch on, verify that the ABS warning light goes out after
2.4 seconds.
3. Turn the ignition switch off.
4. On level ground, jack up the vehicle and support it evenly on safety
stands.
5. Shift the transaxle to N posi ...
Mazda 6 Service Manual: Front door key cylinder removal/installation
1. Remove the front door unit.
2. Remove the cover, then remove the bolt.
3. For protector-equipped vehicles, pull out the protector tab from the latch
and remove the protector.
4. Disconnect the rod.
5. Remove the front outer handle.
6. Turn the key cylinder in the direction indicated by ...