BAC Valve

1. Connect the data link connector terminals TEN and GND by using the SST (System selector).

CAUTION: Connecting the wrong data link connector terminals may possibly cause a malfunction. Carefully connect the specified terminals only.




2. Connect a dwell tacho tester to the data link connector terminal IG-.
3. Start the engine at engine cold condition.
4. Verify that the idle speed decreases gradually as the engine warms up.
5. If not, check the water hose of the BAC valve.
6. If water hose is okay, replace the BAC valve.