Tacoma Extra Cab 4WD L4-2693cc 2.7L DOHC MFI (1997)
Tachometer: Testing and Inspection
INSPECT TACHOMETER ON-VEHICLE
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 tester and tachometer indications.
DC 13.5 V 20° C at (68 ° F)
If error is excessive, replace the tachometer.
