Resistance Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
2. Front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
3. Cluster switch (See CLUSTER SWITCH REMOVAL/INSTALLATION .)
Verify that the resistance between the cluster switch terminals B and C is as indicated in the table.
- If not as indicated in the table, replace the cluster switch.

Fig 1: Locating Smart City Brake Support Off Switch

Courtesy of MAZDA MOTORS CORP.

TPMS set switch specification

Terminal	Test condition	Resistance (ohms)
B-C	DSC OFF switch pressed	501.46-511.65
B-C	All switches released	1140.06-1163.15