FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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[2] Boost pressure control via throttle valve: Negative control variation CLOSED MAJOR


[2] Boost pressure control via throttle valve: Negative control variation CLOSED MAJOR

Test 1: Check component M16/6 (Throttle valve actuator).

1. Check component M16/6 (Throttle valve actuator).
Check component M16/6 (Throttle valve actuator) by means of actuation.
Figure legend

- M16/6 (Throttle valve actuator)
- B5/1 (Charge pressure sensor)
- The muffler was removed from the picture to improve the view.
Test prerequisite

- Check connector on component M16/6 (Throttle valve actuator) for correct seating, contact and latching.
- Operate engine at idling speed.
Important information for following actuation

- The throttle valve of component M16/6 (Throttle valve actuator) is automatically opened and closed at the following actuation.
- The pressure difference at component B5/1 (Charge pressure sensor) indicates whether the throttle valve of component M16/6 (Throttle valve actuator) is functioning.
Communication with ECU required