List of checking procedures List of checking procedures for EDC M(S) 5 stage 3 with control box model EBE–EDC (51.11615–7169) 1. Checks while engine is stationary (Ignition off, control unit not connected) Engine temperature approx. 25 ° C Control unit not (!!!) connected, cable harness adapter connected Measure resistance between PIN+ and PIN– with multimeter 1) Exact measurements are possible only at defined temperatures. 2) Resistance approx. 230–460 W with engine at operating temperature (approx. 80 ° C) 28 PIN+ PIN– Set-point value Measured value Control rod position transducer1) 11 9 18–25 Ω . . . . . . . . . . . . . . . . Ω 11 10 18–25 Ω . . . . . . . . . . . . . . . .
Ω 18 9 >10 M Ω . . . . . . . . . . . . . . . . MΩ 18 10 >10 M Ω . . . . . . . . . . . . . . . . MΩ RPM sensor (DZG) 21 13 0.8–1.0 kΩ . . . . . . . . . . . . . . . . kΩ Auxiliary rpm sensor (HZG) 22 17 0.8–1.0 kΩ . . . . . . . . . . . . . . . . kΩ Fuel-delivery regulator 15 1 0.7–1.3 Ω . . . . . . . . . . . . . . . . Ω 18 1 >10 M Ω . . . . . . . . . . . . . . . . MΩ 16 2 0.7–1.3 Ω . . . . . . . . . . . . . . . . Ω Ground 13 18 >10 M Ω . . . . . . . . . . . . . . . . MΩ 17 19 >10 M Ω . . . . . . . . . . . . . . . . MΩ EHAB Relay K2 14 Pin 24 30–70 Ω . . . . . . . . . . . . . . . . Ω 19 Pin 21 [0 Ω . . . . . . . . . . . . . . . .
Ω The following checks may be carried out in addition to the voltage measurements (see below). Coolant temperature sensor 53 13 1.3–3.6 kΩ 2) . . . . . . . . . . . . . . . . kΩ Fuel temperature sensor 34 13 1.3–3.6 kΩ . . . . . . . . . . . . . . . . kΩ Boost air temperature sensor 55 13 1.3–3.6 kΩ . . . . . . . . . . . . . . . . kΩ Boost pressure sensor 33, 36 13 Resistance measurement not appropriate Multistage switch No reduction active 35 13 500–520 Ω . . . . . . . . . . . . . . . . Ω Operating element for idle speed adjustment Non-actuated “Sp” button actuated “OFF” button actuated 44 13 550–700 Ω . . . . . . . . . . . . . . . . Ω 125–160 Ω . . . . . . . . . . . . . . . . Ω 930–1940 Ω .
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