Inspect Speedometer Sensor

(a) Check the output signal waveform.

(1) Remove the combination meter assembly, but do not disconnect the connector.

(2) Connect an oscilloscope to terminals D1 - 16 and to the body ground.

(3) Start the engine.

(4) Check the signal waveform according to the condition(s) in the table below.

Item

Contents

Terminal Connection

+S (D1-16) and Body Ground

Tool Setting

5V / DIV, 20ms / DIV

Condition

Driving at approximately 12mph (20km / h)

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