List of checking procedures List of checking procedures EDC MS 5 1. Resistance checks “Ignition” off, control unit not connected Engine temperature [ 25 ° C Socket box connected Measure resistance between PIN+ and PIN– with multimeter 1) Resistance approximately 230–460 W with engine at operating temperature (approximately 80 ° C) 24 PIN+ PIN– Set-point value Measured value Control rod position sensor 11 9 18–25 Ohms . . . . . . . . . . . . . . . Ohms 11 10 18–25 Ohms . . . . . . . . . . . . . . . Ohms 18 9 >10 MOhms . . . . . . . . . . . . . . . MOhms 18 10 >10 MOhms . . . . . . . . . . . . . . . MOhms RPM sensor (DZG) 21 13 0.8–1.0 kOhm . . . . . . . . . . . . . . .
kOhms Auxiliary rpm sensor (HZG) 22 17 0.8–1.0 kOhm . . . . . . . . . . . . . . . kOhms Fuel-delivery regulator 15 1 0.7–1.3 Ohms . . . . . . . . . . . . . . . Ohms 18 1 >10 MOhms . . . . . . . . . . . . . . . MOhms 16 2 0.7–1.3 Ohms . . . . . . . . . . . . . . . Ohms Ground 13 18 >10 MOhms . . . . . . . . . . . . . . . MOhms 17 19 >10 MOhms . . . . . . . . . . . . . . . MOhms EHAB 14 18/19 30–70 Ohms . . . . . . . . . . . . . . . Ohms Coolant temperature sensor 53 13 1.3–3.6 kOhms 1) . . . . . . . . . . . . . . . kOhms Charge-air temperature sensor 34 13 1.3–3.6 kOhms . . . . . . . . . . . . . . .
kOhms Boost pressure sensor 33, 36 13 Resistance measurement not appropriate Resistor bank 35 13 500–520 Ohms . . . . . . . . . . . . . . . Ohms 51 13 2.8–3.2 kOhms . . . . . . . . . . . . . . . kOhms