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Home >> Mercedes Benz >> 2001 >> ML430 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 163 Chassis (3 Of 4) >> Self-Diagnostic System >> Fault code description - ME-SFI - modulating pressure control solenoid - AD07.61-P-4000-36A

Fault code description - ME-SFI - modulating pressure control solenoid - AD07.61-P-4000-36A

1 Fault code P0748
2 Fault storage after the end of the test period and faults
Activation of malfunction indicator lamp for engine diagnosis (EURO3/4)
or CHECK ENGINE (MIL) USA ONLY
after two successive driving cycles with faults
3 Frequency of the test continuous
4 Checked signal or status Activation of modulating pressure control solenoid
5 Fault setting conditions  < 0.4 V
Short circuit to ground approx. 8.5 V
Lower limit, voltage approx. 15 V
Upper limit, voltage approx. 0.300 A
Lower limit, current approx. 0.700 A
Upper limit, current approx. 1 s
Test duration  
6 IMPORTANT Faults (activation of line interruption or short circuit, short circuit in the valve) are detected by the ETC control module and sent via the CAN data bus to the ME-SFI control module. The faults are stored and the "CHECK ENGINE" malfunction indicator lamp (MIL) is activated by the ME-SFI control module.
Also read out ETC diagnostic trouble code memory, fault code 6.