P054A

COLD START : The position of the exhaust camshaft (cylinder bank 1) deviates from the specified value. There is an implausible signal.


Possible cause:

- Exhaust camshaft of right cylinder bank
Affected functions:

- Engine diagnosis

-------------------------------------------------

Test 1: Exhaust camshaft of right cylinder bank

1. Exhaust camshaft of right cylinder bank
Picture

- 1:Camshaft position 'Right exhaust' not OK
- 2:Camshaft position 'Right exhaust' OK
Figure legend

- Color 'Green':Camshaft position 'Right exhaust'
- Color 'Blue':Camshaft position 'Left exhaust'
- Color 'Red':Specified value for camshaft position 'Exhaust'
Test prerequisite

- The engine oil level is OK.
Procedure

- Replace solenoid for exhaust camshaft of right cylinder bank.
- Erase fault memory.
- Carry out road test.
Note

- Drive vehicle in gear 2 with cold engine.Alternately increase/reduce engine load and engine speed by 30 %.
Continue on to guided test with button F2







Warning!Communication with ECU required.