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Tire Monitoring System > < Speedometer Head|Testing and Inspection
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Tachometer: Testing and Inspection

ON-VEHICLE INSPECTION

INSPECT TACHOMETER

Check the operation.

1. Connect the tune-up test tachometer and start the engine.

NOTE: 
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Reversing the connection of the tachometer will damage the transistors and the insides of the diodes.

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When removing or installing the tachometer, be careful not to drop or subject it to heavy shocks.

2. Compare the result of the test with the standard indication.

DC 13.5 V, 25 °C (77 °F)

Tire Monitoring System > < Speedometer Head|Testing and Inspection