[2] Check component M4/7 (Engine and AC electric suction fan with integrated control).: Positioner signals fault Y.

[2] Check component M4/7 (Engine and AC electric suction fan with integrated control).: Positioner signals fault Y.

Test 1: Check component M4/7 (Engine and AC electric suction fan with integrated control).

1. Check component M4/7 (Engine and AC electric suction fan with integrated control).
Figure legend

- M4/7 (Engine and AC electric suction fan with integrated control)
Test sequence

- Switch off ignition and wait for computer run-down.
- Check component M4/7 (Engine and AC electric suction fan with integrated control) for unobstructed movement.
Further action if the customer complaint still exists

- Check component M4/7 (Engine and AC electric suction fan with integrated control) by means of actuation.
Move on to actuation with button F2







Test prerequisite

- Coolant temperature < 80° C
- Charger connected(The battery voltage must be higher than 12.5 V.)
- Ignition ON
- Engine not running
- Vehicle stationary
- The fuses of component M4/7 (Engine and AC electric suction fan with integrated control) are OK.
Actual values:
- Coolant temperature:Warning! Communication with ECU required.
Proceed to 'Actuation' with F2