toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Coolant Temperature Receiver Gauge <--> [Temperature Gauge] > < Speedometer Head|Testing and Inspection
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Tachometer: Testing and Inspection

TACHOMETER INSPECTION (ON-VEHICLE)

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

NOTICE:
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The connection of the tachometer in reverse will damage the transistors and diodes inside.

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

2. Compare the tester and tachometer indications.

DC 13.6 V 25° C (77 ° F)

If error is excessive, replace the tachometer.

Engine Coolant Temperature Receiver Gauge <--> [Temperature Gauge] > < Speedometer Head|Testing and Inspection