162A98

Control unit 'Fuel pump' has a malfunction. The component or the system has overtemperature.

Test 1: Check component M3 (Fuel pump).

Test 2: Check attachment and installation position of component N118 (Fuel pump control module).

Test 3: Possible cause:

- M3 (Fuel pump)
- N118 (Fuel pump control module)
Affected functions:

- Engine diagnosis
- Fuel system

1. Check component M3 (Fuel pump).

Test 1.1: Check power consumption of component M3 (Fuel pump) using actual value.

Test 1.2: Test the cables from component N118 (Fuel pump control module) to component M3 (Fuel pump) with the plug connection X36/2 (Fuel pump wiring harness/taillamp harness connector) between the two.

1.1. Check power consumption of component M3 (Fuel pump) using actual value.
Warning!Communication with ECU required.


1.2. Test the cables from component N118 (Fuel pump control module) to component M3 (Fuel pump) with the plug connection X36/2 (Fuel pump wiring harness/taillamp harness connector) between the two.
Test prerequisite

- A fault has occurred during current measurement at component M3 (Fuel pump).
Test sequence

- Switch off ignition.
- Unplug 6-pin connector from component N118 (Fuel pump control module).
- Unplug coupling A at component rack M3x1 (Fuel pump connector).
- Check lines to component M3 (Fuel pump) for short and open circuits.
Was the test o.k.?







YES
The test was okay.End of test

NO
The test was not okay.Possible cause and remedy

- Repair cable, or replace if necessary.
End of test

2. Check attachment and installation position of component N118 (Fuel pump control module).

Test 2.1: Inspect attachment and installation position of control module N118 (Fuel pump control module).

2.1. Inspect attachment and installation position of control module N118 (Fuel pump control module).
Figure legend

- N118 (Fuel pump control module)
Preparation for test

- Expose component N118 (Fuel pump control module).
Test

- Check mounting screw for component N118 (Fuel pump control module) and tighten if necessary.
- Check component Bracket for tight seating.







YES
The test is o.k..End of test

NO
The test is not o.k..Possible cause and remedy

- Check threaded connection of component N118 (Fuel pump control module) and tighten if necessary.


3. No further information available.