Protege LX L4-1.6L DOHC (2000)
Fuel Cut Control Unit: Testing and Inspection
1. Warm up engine and let it idle.
2. Turn off the electrical loads and A/C switch.
3. Connect the SSTs (NGS tester) to the DLC-2.
4. Select the PID/DATA MONITOR AND RECORD function on the NGS display.
5. Select RPM and INJ PIDs,
6. Press START.
7. Monitor both PIDs while performing the following steps.
1. Depress the accelerator pedal and increase the engine speed to 4,000 rpm.
2. Release the accelerator pedal (brake pedal not depressed) and inspect that the fuel injector duration time is 0 msec., and 2-5 msec. when the
engine speed drops below 1,200 rpm.
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If not as specified, carry out the following:
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Engine temperature sensor inspection
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Neutral/clutch switch inspection (MTX)
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Transaxle range switch inspection (ATX)
