Test Point 31

TEST POINT 31
Driver, engine compartment purge fan

DTC 251

1. Connect voltmeter to fan relay (connection point 8 in the rear) terminal 30 and ground.

Display: approx. 12 V

If nothing is displayed, check fuse B-4.

2. Connect voltmeter to fan relay terminal 86 and ground.

Display: approx. 12 V

If nothing is displayed, check the DmE relay.

3. Check the fan relay

On the relay base, jumper terminal 30 and terminal 87 with a test cable.

Fan starts: Relay defective