Y32 (Air Pump Switchover Valve)

Y32 (Air Pump Switchover Valve)

Check component Y32 (Air pump switchover valve). (only (USA), EURO 3)

Test 1 Test actuation of component Y32 (Air pump switchover valve)
Test 2 Test current consumption of component Y32 (Air pump switchover valve)


1 Test actuation of component Y32 (Air pump switchover valve)

Test sequence
- Ignition ON
- Actuate component Y32 (Air pump switchover valve). (Actuate with key F2.)

Note: Component M4/3 (engine/AC electric suction fan) runs with an on/off ratio of 50 % during the actuations for safety reasons.

Note! Communication with ECU required.


2 Test current consumption of component Y32 (Air pump switchover valve)

Test requirement
- Actuation is not okay.

Test sequence
- Switch off ignition.
- Connect socket box to component N3/10 (ME-SFI control module).
- (A.3) 3 <--> 66 (E.10)
- Switch on ignition.

Specified value
- Amperage [0.3...0.5] A

Question
- Is the measured value okay?
Yes
The measured value is o.k. ** End of Test **
No
The measured value is not o.k.
Possible cause and remedy
- Voltage supply of component Y32 (Air pump switchover valve) (Wiring diagrams)
- Leads to component Y32 (Air pump switchover valve)
- Y32 (Air pump switchover valve)

** End of Test **