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Home >> Mazda >> 1994 >> MX-3 V6-1844cc 1.8L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Load Signal >> Testing and Inspection >> With Manual Transaxle (MTX)
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With Manual Transaxle (MTX)

SYSTEM OPERATION
1. Warm up the engine to normal operating temperature.
2. Shift the selector lever to Neutral position.
3. Turn all electric loads OFF.


View: Test Connections:





4. Connect a tachometer to the data link connector terminal IG- as shown.
5. Verify that the cooling fan is OFF.
6. Check the idle speed is within specification.

Idle speed (in Neutral): 640 to 700 rpm

7. If not within specification range, adjust the idle speed.


Fig.3 Engine Load/ RPM Specifications:





8. Verify the idle speed is within specifications under the conditions in Fig.3
9. If not as specified, check the related wiring harness, switches and sensors.

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