Exhaust Pressure Sensor - Measuring Lines Check - MTU 16V4000M73 Operating Instructions Manual

8.13.8 Exhaust pressure sensor – Measuring lines check
Preconditions
☑ Operating voltage is switched off.
Special tools, Material, Spare parts
Designation / Use
Digital multimeter with test leads, test clips and test prods
Cable
DANGER
Rotating, moving engine parts.
Danger of crushing, danger of body parts being drawn in or caught!
• Ensure that the engine can not be started.
• After completion of work, make sure that all protective devices are installed.
Exhaust pressure sensor –
Measuring lines check
1. Switch off engine and engine governor.
2. Pinpoint the applicable connector on SCR
catalytic converter:
• Pressure sensor (1) is connected to SCR
inlet of pipe A via measuring line (3)
• Pressure sensor (2) is connected to SCR
outlet
3. Disconnect connectors from sensors.
4. Connect test adapter between wiring harness
connector and sensor.
5. Switch on system – do not start the engine.
6. Measure voltage, replace sensor if necessary.
MS150123/01E 2017-05 | Exhaust Gas Aftertreatment | 189
Part No. Qty.
(→ Tools Catalog)
(→ Tools Catalog)
1
1