Fuel-Cut Control System
SYSTEM TEST
1. Connect a tachometer to the data link connector terminal IG-.
2. Connect the SSTs to the ECM.
3. Warm up the engine to normal operating temperature and let it idle.
Warning: Performing this test with the transaxle in any range or position other than neutral can be dangerous. Before performing this test, verify that the transaxie is in neutral.
4. Set the SST (Engine Signal monitor) to the terminals 2U, 2V, 2Y and 2Z and verify that the green and red lamps flash alternately.
5. Increase the engine speed to 4,000 rpm and then suddenly release the throttle.
6. Verify that the red indicator lamp illuminates while the engine speed is above approx. 1,500 rpm on deceleration.
Caution:Holding the maximum rpm for more than 3 seconds can damage the engine.
7. Increase the engine speed and verify that the maximum rpm does not exceed approx. 6,800 rpm while the engine is at normal operating temperature.