INSPECT USING AN OSCILLOSCOPE.

1) Turn the ignition switch to OFF.

2) Set an oscilloscope to the TCM connector terminal.

Positive probe; (B257) No. 2

Grounding wire; (B257) No. 6

3) Start the engine.

4) Measure the signal voltage indicated on the oscilloscope.

QUESTION

Is the voltage 5 V?

Yes No

Yaw rate & lateral G sensors are normal.

Replace the yaw rate & lateral G sensor.