Mazda 3 Service Manual: Key Interlock System Inspection

Key Interlock System Inspection

1. Switch the ignition to ON.

2. Perform the following procedures to inspect the key interlock system.

• If there is any malfunction, inspect the key interlock solenoid and NOT P position switch..

a. Verify that the ignition cannot be switched to off when the selector lever is not in the P position.

b. Verify that the ignition can be switched to off when the selector lever is in the P position.

Key Interlock Solenoid Inspection

1. Perform the following procedures.

a. Remove the battery cover..

b. Disconnect the negative battery cable..

c. Remove the column cover..

d. Disconnect the key interlock solenoid connector.

2. Measure the resistance between the key interlock solenoid terminals A and B.

• If there is any malfunction, replace the steering lock..

Key interlock solenoid specification

• Approx.36 ohms

NOT P Position Switch Inspection

1. Perform the following procedures.

a. Remove the battery cover..

b. Disconnect the negative battery cable..

c. Remove the console..

d. Disconnect the selector lever component connector.

2. Inspect the continuity between the selector lever component terminals G and K.

• If there is any malfunction, replace the selector lever component..