Caution: Do not damage or deform the connector during testing.
1. Disconnect the connector of the lock-up solenoid valve and the shift solenoid valve A.
2. Measure the resistance between the corresponding connector contact and ground.

- Standard resistance: 12-25 Σ
If the resistance is different from the above, replace the lock-up solenoid valve and shift solenoid valve A.
3. Apply battery voltage to the corresponding connector contact and check by sound that the solenoid valve has operated.
If there is no actuation sound, replace the solenoid valve.
