2.3. Test signal voltage of component B28 (Pressure sensor).
Figure legend
- A -ConnectionTest cable 35-pin socket box
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)
- 05 -35-pin socket box
- 050 -126-pin socket box
- 108 -Test cable 266 589 01 63 00
- N3/10 (ME-SFI [ME] control unit)
- II 1-63ConnectionTest cable
- III 64-126ConnectionTest cable
Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).
Continue to test with button F2
Figure legend
- B28 (Pressure sensor)
- 126/1 -'Secondary air injection left bank of cylinders' shutoff valve
Test prerequisite
- The power supply of component B28 (Pressure sensor) is OK.
Test sequence
- Switch off ignition.
- Connect the vacuum tester to the input of component B28 (Pressure sensor) with the 3 x distributor.
- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).
- Measure direct voltage with multimeter between sockets [ M.15 ] 15 and [ M.86 ] 86 of the 126-pole socket box tester.
- Switch on ignition.
Specified values
- Ignition ON: >3.5 V
- Operate engine at idling speed.(Vacuum> 500 mbar):< 2 V
Question
- Are the measurement values OK?
