Crankshaft Position Sensor: Service and Repair

PULSE SENDER





- Check pulse sender for tight fit and damage.





- Disconnect plug

Note: Remove guard rail on face.

Multimeter Test (M 06):





- Disconnect plug.
- Measure resistance between 1 and 2.
- 520 ohms +/- 5%.
- Perform insulation test = or > 100 k-ohms.





- Connect oscilloscope on connections 1 and 2 of pulse sender (M 22/23).
- Crank engine with the starting motor.
- The illustrated signal should appear in the oscilloscope screen

Checking Increment Wheel:





1. TDC mark must be in middle of a tooth.
2. Gap must be located 9 teeth away from the TDC mark in engine's direction of rotation.
- If not, replace vibration damper