Mercedes Forum - Mercedes Benz Enthusiast Forums

Hello ..... I need your help guys with my engines 924.913 with problem in STARS DIAGNOSTIC with code : 10412 ''Chamsahft Position Sensor : No Signal''

this unit in chassis bus... i already checked for ECU cable,Sensor 10B15,ECU ,all everything is OK

I also already change the ECU,ECU cable,the Chamshaft Sensor (10B15) with OK one ---but the problem still happen, i also check for hole in Gear Chamshaft (OK).

this detail what i have done :

Investigation process:

- Remove, check and clean camshaft sensor & crankshaft sensor from dirt/corroded

Result:

camshaft position sensor, no signal
- Replace camshaft sensor with the good one from other unit

Result:

camshaft position sensor, no signal
- Check cable from camshaft sensor to MR control unit (55 pins i.e : pin No 1& pin no 20) from short
circuit

Result :

GOOD /No short circuit
- At idle condition, remove the crankshaft sensor.

Result:

The current fault code (no signal) change into crankshaft position sensor and good

condition at camshaft position sensor (No current fault).

- Change the MR Control unit ,

Result :

still the same (camshaft position sensor, no signal).
- Change the engine wiring harness,

Result : still the same (camshaft position sensor, no signal).

- Check impulse with HMS 990 tester for the camshaft position sensor

Result :

there is impulse coming from camshaft sensor (GOOD).
- Check, remove and clean the ground harness at the chassis, (before : 10,6 Ω/after clean : 0.2 Ω)

Result : still the same (camshaft position sensor, no signal).

pls for every body now to help me,

thanks you,

warm regards from Indonesia

:):):):):)