After the SCR process, the resistance voltage parameter value must be processed after processing.

Post-processing maintenance necessary resistance value 1. Urea pump heater resistance: 6.7Ω 2. Urea pump transfire valve resistance: 20Ω 3. Inhalation Tube Heater Resistance: 41Ω 4. Reflow Tube Heater Resistance: 41Ω 5. Pressure tube heater resistance: 8Ω 6. Temperature Temperature Temperature 25 ° C Resistance: 220Ω 7. Urea-tank heating solenoid valve resistance: 46Ω 8. Urea nozzle solenoid valve resistance: 12Ω 9. Crankshaft sensor resistance: 900Ω 10. Injector resistance: 0.9Ω 11. Jet metering unit: 3Ω 12. Improved exhaust solenoid valve resistance: 35Ω 13. Polymorphic switches, half load, full load resistance: 9.8kΩ, 4.2kΩ, 1.5kΩ 14. Communication CAN_H and CAN_L resistance: 60Ω 15. Diagnose CAN_H and CAN_L resistance: 120Ω Urea pump often use pressure parameters 1. Bosch 6.5 / Cummins UA2 is 5.6bar injection; 2. Bosch 2.2 is 9bar; 3. Tianneck 1.5 / Tianak 1.0 / heavy auto 2014 hydraulic pump is 5.5 bar; 4. Heavy auto 2016 gascap pump is 3bar; 5. FAW gas transfer is 7bar; 6. Kaide is 5bar; FAW Xichai National Treatment Voltage Parameters Measuring status: The key is in ON file 1, urea pressure sensor Normal connection: K24-5V; K78-0.75V Signal, control operating voltage: K78-3.3V ECU end voltage when signal line breakpoint: K78-5.6V 2, urea reversing valve Normal connection: K08-24V; K30-24V Signal, control operating voltage: K08-0V ECU end voltage when signal line breakpoint: K08-0V 3, urea pump control Normal connection: K73-24V; K93-8.2V ECU terminal voltage when signal line breakpoint: K93-3.4V 4, water heating solenoid valve Normal connection: K89-24V; K28-23V ECU terminal voltage when signal line breakpoint: K28-3.4V Pump friends - with pump friends, you have to have! 5, urea nozzle Normal connection: K10-7V; K09-7V ECU end voltage when signal line breakpoint: k10-24; k09-0v 6, liquid level sensor Normal connection: K57-4.2V ECU terminal voltage when signal line breakpoint: K57-4.6V 7, temperature sensor Normal connection: K80-2.8V ECU end voltage when signal line breakpoint: K80-4.6 8, tumble sensor Normal connection: k81-1.67v ECU end voltage when signal line breakpoint: K81-4.7 Pump Friendship - EFI Technology Communicator! 9, ambient temperature sensor Normal connection: K39-3.6V ECU end voltage when signal line breakpoint: K39-3.6V Original title: After the SCR treatment urea pump repair must know the resistance voltage parameter value [Collection + forward] Article Source: [WeChat public number: Automotive Electronics Research Center] Welcome to add attention! Please indicate the source of the article. Editor: HAQ, read full article, original title: SCR treatment urea pump repair must know the resistance voltage parameter value [Collection + Forward] Article Source: [Micro Signal: GH_C9C741F44FCF, WeChat public number: Auto Electric Circuit Bottle "] Welcome to add attention! Please indicate the source of the article.