An open circuit in signal cable to oil pressure sensor.An open circuit in 5V supply cable to oil pressure sensor.The voltage on pin B11 on the EMS 2 is less than 0.07 Volt. Checking signal cable, oil pressure sensor page 120įMI 5 – Current below normal or open circuit.
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Oil pressure (see workshop manual Group 21-26). Oil pressure exceeds the setġ Check engine oil level and quality of the oil.Ģ Change engine oil and oil filter to prevent blocked oil filter.ģ Check that no engine oil leakage occurs.Ĥ Check function of oil pressure sensor by control measuring the engine Oil pressure depends on the engine revolution. Power is reduced due to error torque map if engine protection parameter is At a threshold resistance (water has been detected), the switch output signal (yellow cable) to the engine control unit pin B8 will be pulled down to zero.įMI 1 – Data valid but below operational range If there is any water in the fuel, the resistance falls. When there is no water in the fuel, the resistance is very high. The switch senses the resistance between two pins, wich are in contact with the fuel. Its task is to detect whether there is water in the fuel. The cable connected to B8 is short circuited to battery negative.ġ Check cable harness and connectors between water in fuel monitor andĪ switch is located in the water trap under the fuel filter.Short circuit between both cables to the water in fuel switch.Checking negative cable, water in fuel switch page 118įMI 4 – Voltage below normal or short circuit to lower voltage.Checking supply cable, water in fuel switch page 118.
The cable connected to B8 is short circuited to battery voltage.ġ Check cable harness and connectors between water in fuel switch and Water in the fuel trap has been detected.įMI 3 – Voltage above normal or short circuit to higher voltage FMI 0 – Data valid but above normal operational range
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