1999 Subaru Legacy CAM & crank sensor

Tiny
BUCKFEVER
  • MEMBER
  • 1999 SUBARU LEGACY
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 100,000 MILES
How can I check the cam and crank sensor to see if they are working properly

thank you
Monday, November 1st, 2010 AT 8:03 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
CRANK SENSOR

Unplug sensor connector, using a digital volt ohm meter set on ac volts position. Connect the leads to the two pins in the connector of the crank sensor. Then have a helper crank engine over. You should see ac voltage, if not, then your crank sensor is bad.

CAM SENSOR

Pin 1 is +5V, pin 2 is Ground and pin 3 is the signal. Use analog voltimeter in pin 2 and 3. Crank the engine: the pointer of the voltimeter shoud oscilate in range 0V to 5V.
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Monday, November 1st, 2010 AT 8:07 PM

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