FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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[1] Check component M55 (Inlet port shutoff motor).: Short circuit to positive


[1] Check component M55 (Inlet port shutoff motor).: Short circuit to positive

Test 1: Check component M55 (Inlet port shutoff motor).

1. Check component M55 (Inlet port shutoff motor).

Test 1.1: Actuation M55 (Inlet port shutoff motor)

Test 1.2: Voltage supply of component M55 (Inlet port shutoff motor)

1.1. Actuation M55 (Inlet port shutoff motor)
Warning!Communication with ECU required.


1.2. Voltage supply of component M55 (Inlet port shutoff motor)
Voltage supply of component M55 (Inlet port shutoff motor)
Figure legend

- M55 (Inlet port shutoff motor)
Test sequence

- Switch off ignition.
- Detach coupling at component M55 (Inlet port shutoff motor).
- Measure direct voltage with multimeter between sockets (M55x1) 1 and (M55x1) 2
- Switch on ignition.
Specified value

- Voltage[11...14] V
Question

- Is the measurement value OK?







YES
The measurement value is OK.Possible cause and remedy

- Inspect ease of operation of inlet port shutoff.
- Replace component M55 (Inlet port shutoff motor).
End of test

NO
The measurement value is not OK.Possible cause and remedy

- Test wiring of voltage supply between component M55 (Inlet port shutoff motor) and component N3/9 (CDI control unit).
End of test