Checking the control relay
1. Checking the continuity of the electric pump relay
- A) Check for continuity between terminals "1" And "2"
- b) Check for continuity between terminals "3" And "4".
If the conditions are not met, replace the relay.
2. Checking the operation of the electric pump relay.
- A) Connect the battery to the terminals "3" (+) And "4" (-).
- b) Check for continuity between terminals "1" And "2".
If the relay does not work as described, replace the relay.
3. Checking the solenoid valve relay.
- A) Check for continuity between terminals "1" And "3".
- b) Check for continuity between terminals "2" And "3".
- V) Check for continuity between terminals "4" And "6".
4. Checking the operation of the solenoid valve relay.
- A) Connect the battery to the terminals "4" (+) And "6" (-).
- b) Check for continuity between terminals "1" And "3".
- V) Check for continuity between terminals "2" And "3".
If the operation is not as described, replace the relay.