When the CITY button is pressed, check that:

- The corresponding symbol lights up in the "NQS"

Continue as indicated

See table H025 NO ELECTRIC STEERING POWER ASSISTANCE WITH FAILURE WARNING LIGHT ON

Connect the diagnostic equipment (Examiner or other instruments) to the electric steering node diagnostic socket and check:

- for the presence of errors at the electric steering node

- for the presence of any errors at the NBC

- for the presence of any errors at the NCM

1. Errors present for the electric steering node

2. CAN line from NGE to NBC faulty

3. CAN line from NCM to NGE faulty

1. Continue as described by the diagnostic equipment

2. Restore CAN line electrical connections from NGE to NBC

3. Restore CAN line electrical connections from NCM to NGE

Check that the City button is working properly

Check the continuity of the wiring between the City button and the Body Computer Node

See E7045 ELECTRIC STEERING

1. City button defective

2. Wiring broken

3. Body Computer defective

1. Replace the City button 2. Restore the wiring continuity

Op. 7040A56 SWITCH UNIT IN DASHBOARD - R.R.

3. Replace Body Computer

Op. 5505A32 BODY COMPUTER - R.R

Cancel the errors, disconnect the diagnostic station and place the key in the OFF position for about 10 secs.

Start up the engine and turn the steering wheel to the end of travel position in both directions.

Reconnect the Examiner diagnostic equipment and check that there are no errors at the electric steering control unit