Resistance Inspection

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Driver-side front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .
2. Driver-side front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
3. Cluster switch (See CLUSTER SWITCH REMOVAL/INSTALLATION .)
Measure the resistance between cluster switch terminals B and C under the following conditions:
- Resistance with lane-keep assist system OFF switch pressed and held
  - - 187.61-191.39 ohms
- Resistance with any switches not pressed
  - - 1, 139.99-1, 163.01 ohms
  Fig 1: Measuring Resistance Between Cluster Switch Terminals B And C
  Courtesy of MAZDA MOTORS CORP.
- If not within the specification, replace the cluster switch.