Protege DX L4-1.6L DOHC (2000)
Idle Speed: Testing and Inspection
ENGINE TUNE-UP [ZM]
Engine Tune-up Preparation
1. Warm up the engine to normal operating temperature.
2. Shift the transaxle into neutral.
3. Turn off all electrical loads.
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Headlight switch
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Fan switch
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Rear window defroster switch
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A/C switch
4. Verify that the steering wheel is at straight ahead position.
5. Connect the SSTs (NGS tester) to the DLC-2 and select "PID DATA MONITOR AND RECORD".
6. Access RPM PID. Press the trigger key to enter this selection.
7. Wait until the electrical fan stops.
Idle-up Speed inspection
1. Perform "Engine Tune-up Preparation" above.
2. Connect the SST (System selector) to the DLC.
3. Set switch A to position 1.
4. Set the test switch to SELF TEST
5. Verify that the idle speed is normal.
6. Verify that the RPM PID is within the specification.
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If not as specified with all load conditions, inspect the IAC valve.
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If not as specified with some load condition, inspect the related input switches, harnesses, and connectors.
Specification