Subaru Legacy 2002 Service Manual page 3315

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Cruise Control System (Diagnostics)

Data link connector

Vehicle speed sensor (MT)

Stop light switch

Voltage at terminals 5, 7, 13 and 14 cannot be checked unless vehicle is driving by cruise control operation.

B: SCHEMATIC

<Ref. to WI-124, SCHEMATIC, Cruise Control

CRUISE CONTROL MODULE I/O SIGNAL

Terminal No.

Measuring conditions and I/O signals (ignition switch ON and engine idling)

Lift-up the vehicle until all four wheels are raised off ground, and then rotate

any wheel manually.

Approx. "5" and "0" volt pulse signals are alternately input to cruise control

Turn ignition switch to OFF.

Then check that;

¼ Battery voltage is present when brake pedal is depressed.

¼ "0" volt is present when brake pedal is released.

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