Test sequence
- Switch on ignition.
- Unplug 4-pin connector from component N118 (Fuel pump control module).
- Measure voltage at the unclipped cable.(Ground- Positive)
- Measure direct voltage with multimeter between sockets (N118) 1.2 and (N118) 1.1
Specified values
- Voltage: [11.0 ... 14.5] V
Question
- Is the measurement value OK?
YES
The measurement value is OK.Further possible causes of fault
- Inspect plug connections for corrosion, pinched insulation and loose contact.
End of test
NO
The measurement value is not OK.Possible cause and remedy
- Inspect lead of voltage supply to control module N118 (Fuel pump control module) if necessary for loose contact, damage and corrosion and
repair.
End of test
NO
Replace faulty fuse.End of test
3. No further information available.
EB210E
The voltage supply is too high
Test 1: Signal wire PWM signal Fuel pump
Test 2: Check power supply at control unit N118 (Fuel pump control module).
Test 3: Possible cause:
- N118 (Fuel pump control module)
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