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Home >> Mercedes Benz >> 2002 >> SLK 230 (170.449) L4-2.3L SC (111.983) >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P201D >> [2] Self Adaptation of Mixture Formation: Mixture Is Too Lean In Part Load Range >> Test 2: Test Fuel Pressure and Delivery of Component M3 (Fuel Pump) >> Test 2C: Check Component M3 (Fuel Pump)

Test 2C: Check Component M3 (Fuel Pump)



Test current consumption of component M3 (fuel pump)

Figure legend





- 003 Multimeter
- N10/2f4 (Fuse 4)
- N10/2kA (Fuel pump relay)

Test prerequisite
- Carry out test only if complaint exists.

Test sequence
- Switch off ignition.
- Insert bridge:
- [5.5] 5<-->97 [4.12]
- Unplug component N10/2f4 (Fuse 4) from component N10/2 (Rear SAM control module with fuse and relay module).
- Measurement is performed at the contact slot of component N10/2f4 (Fuse 4).
- (N10/2f49) -.- <--> -.- (N10/2f49)
- Switch on ignition.
- Note: Component M3 (fuel pump) runs.

Specified value
- Amperage [4...9] A

Question: Is the measured value okay?

No
- The measured value is not o.k.
Possible cause and remedy
- N10/2f4 (Fuse 4)
- Test cables
- M3 (fuel pump)
**End of test**

Yes
- The measured value is o.k.
Further possible causes of fault
- M3 (fuel pump)
**End of test**

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