Tacoma PreRunner Dbl Cab 2WD V6-3.4L (5VZ-FE) (2001)
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Tachometer: Testing and Inspection
NOTE: This article contains corrected data processed from TSB# PG001-05.
INSPECT TACHOMETER (ON-VEHICLE)
a. Connect a tune-up test tachometer, and start the engine.
NOTICE:
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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.
b. Compare the tester and tachometer indications.
DC 13.5 V 20°C at (68°F)
If error is excessive, replace the tachometer.
