Clock Spring Inspection [Two-Step Deployment Control System]

1. Disconnect the negative battery cable and wait for 1 min or more. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION ).
2. Remove the following parts:
   1. Driver-side air bag module (See DRIVER-SIDE AIR BAG MODULE REMOVAL [TWO-STEP DEPLOYMENT CONTROL SYSTEM] ). (See DRIVER-SIDE AIR BAG MODULE INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] ).
   2. Steering wheel (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION ). (3) Column cover (See COLUMN COVER REMOVAL/INSTALLATION ).
3. Disconnect the clock spring connector. (See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] ).
4. Disconnect the steering angle sensor connector. (with adaptive front lighting system (AFS)) (See STEERING ANGLE SENSOR REMOVAL/INSTALLATION ).
5. Verify that the continuity is as indicated in the table.

• If not as indicated in the table, replace the clock spring. (See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] ).

NOTE:

• When the vehicle-side connector for the clock spring is disconnected, terminals 2A, 2B, 2C and 2D are shorted to prevent unexpected operation (deployment) of the air bag module.

Fig 1: Clock Spring Terminals Continuity Chart

Courtesy of MAZDA MOTORS CORP.

Fig 2: Clock Spring - Circuit Diagram

Courtesy of MAZDA MOTORS CORP.