tC L4-2.4L (2AZ-FE) (2005)
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Tachometer: Testing and Inspection
INSPECT TACHOMETER
a. Check the operation
1. Connect a tune-up test tachometer and start the engine.
NOTE:
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Reversing the connection of the tachometer will damage the transistors and diodes inside.
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When removing or installing the tachometer, be careful not to drop or subject it to heavy shocks.
2. Compare the test and tachometer indications.
DC 13.5 V, 25°C at (77°F)
