MX-5 Miata LS L4-18L DOHC (2001) Maintenance - Idle Speed Specifications
Idle Speed: Testing and Inspection
ENGINE TUNE-UP
Engine Tune-up Preparation
1. Warm up the engine to normal operating temperature.
2. Shift transmission into Neutral (MT) or P position (AT).
3. Turn off all electrical loads.
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Headlight
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Blower
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Rear window defroster
4. Verify that the battery is fully charged.
5. Wait until the electrical fan stops.
6. Connect the NGS tester to the DLC-2 and select the "PID/DATA MONITOR AND RECORD" function and press TRIGGER.
7. Select "RPM" and press TRIGGER.
8. If using the SST (System selector) to turn on the test mode, perform as follows:
1. Connect the SST to the DLC.
2. Set switch A to position 1.
3. Set the test switch to SELF TEST.
Caution:
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Connecting the wrong DLC terminal may possibly cause a malfunction. Carefully connect the specified terminal only.
9. If using a jumper wire to turn on the test mode, perform the following: (1) Short the DLC terminal TEN to body GND using a jumper wire.
10. Select "START" to begin.
Idle-up Speed Inspection
1. Perform "Engine Tune-up Preparation", "Idle Speed Adjustment".
2. Verify "RPM" PID is selected.
3. Press "START".
4. Verify that the idle speed is normal.