Check of electric parameters of a control system of the engine. Nissan Almera (from 1995 to 1999 release)
Service of Nissan Almera from 1995 to 2000 in N15 body
1. General information
2. General requirements to car repairs
3. Operation and maintenance of the car
4. Petrol engines
4.1. Removal and installation of the power unit
4.2. Dismantling and assembly of the engine
4.3. Block of cylinders
4.4. Conrod and piston group
4.5. Bent shaft and flywheel
4.6. Gas distribution mechanism
4.7. Head of the block of cylinders of GA14DE and GA16DE engines
4.8. Head of the block of cylinders of the SR20DE engine
4.9. Cooling system
4.10. Lubrication system
4.11. System of production of the fulfilled gases
4.12. Power supply system
4.13. Complex Control System of the Engine (CCSE)
4.13.1. Subsystem of management of fuel injection
4.13.2. Subsystem of management of an ignition advancing corner
4.13.3. Preliminary checks
4.13.4. Check of electric parameters of a control system of the engine
4.13.5. Self-diagnostics of KSUD
4.13.6. Check and adjustment of idling and contents WITH in the fulfilled gases
4.13.7. Check and installation of an initial corner of an advancing of ignition
4.13.8. Check of technical condition of the sensor of a detonation (on the SR20DE engine)
5. Diesel engines
6. Transmission
7. Running gear
8. Steering
9. Brake system
10. Electric equipment
11. Body
12. Appendices
13. Schemes of electric equipment
 









4-13-4-proverka-ehlektricheskikh-parametrov-sistemy-upravleniya-dvigatelem.html

4.13.4. Check of electric parameters of a control system of the engine

Check of power-supply circuits of a control system of the engine is given in tab. 2.11, check of resistance of knots and KSUD units is given in tab. 2.12, check of passing of signals of KSUD sensors is given in tab. 2.13.

  Table 2.11 Check of Power-supply Circuits COURT
Order of connection of the control device to conclusions
Check conditions
Result of check, standard values
Possible malfunction
Conclusion "46" sockets of the controller and "weight"
The switch of ignition is switched off
U = U акк.бат.
Break of a wire between the rechargeable battery and a conclusion "46" sockets of the controller. The safety lock No. 41 or unreliability of connections in the assembly block of a motor compartment burned down
Conclusions "1", "3" sockets of the relay of food and "weight"
The same
The same
Break of a wire between the rechargeable battery and sockets of the relay of food. The safety lock No. 41 or unreliability of connections in the assembly block of a motor compartment burned down
Conclusion "2" sockets of the relay of food and "weight"
»
»
The food relay is faulty
Conclusion  "4"  sockets of the controller and "weight"
»
»
Break of a wire between a conclusion "4" sockets of the controller and a conclusion of "2" relays of food
Conclusion of "1" socket of the switch of ignition and "weight"
»
»
Break of a wire between the rechargeable battery and a conclusion of "1" socket of the switch of ignition. The safety lock of "i" or unreliability of connections in the assembly block of a motor compartment burned down
Conclusion "3" sockets of the relay of turning on of the electromagnetic coupling of the compressor of the conditioner (the right block of the relay in a motor compartment) and "weight"
»
»
Break of a wire between the rechargeable battery and a conclusion "3" sockets of the relay. The safety lock No. 30 or a safety lock "д" or unreliability of connections in the assembly block of a motor compartment burned down
Conclusions "2" and "3" sockets of the switch of ignition and "weight"
Put an ignition switch key in position of "ASS", then in the provision of "ON"
»
The ignition switch is faulty
Conclusion "44" sockets of the controller and "weight"
The same
»
Break of a wire between a conclusion "44" sockets of the controller and a conclusion "3" switches of ignition
Conclusion "5" sockets of the relay of food and "weight"
»
»
Food relay
Conclusions  "38",  "47", "109"  sockets of the controller, conclusion "5" sockets of the relay of food and "weight"
»
»
Break of a wire between conclusions "38", "47", "109" sockets of the controller
Conclusion of "5" 6-shtyrko-vogo socket of gray color of the distributor of ignition and "weight"
»
»
Break of a wire between a conclusion "5" sockets of the distributor of ignition and a conclusion "5" sockets of the relay of food
Conclusion of "7" 2-shtyrko-vogo socket of gray color
»
»
Break of a wire between a conclusion "7" sockets of the distributor of ignition and a conclusion "3" sockets of the switch of ignition
Conclusion "3" sockets of the measuring instrument  of a mass consumption  of air  and "weight"
»
»
Break of a wire between a conclusion "3" sockets of the measuring instrument of a mass consumption of air and a conclusion "5" sockets of the relay of food
Conclusion  "2"  sockets of each  nozzle  and "weight"
»
»
Break of a wire between a conclusion "2" sockets of a nozzle and a conclusion "3" sockets of the switch of ignition
Conclusion of "1" socket of the regulator of idling and "weight"
»
»
The break of a wire between a conclusion of "1" socket of the regulator of idling and a conclusion "3" sockets of the switch of ignition Burned down a safety lock No. 25 or unreliability of connections in the assembly block of interior of the car
Conclusion  "2"  sockets of the HORN and "weight" electromagnetic valve
»
»
Break of a wire between a conclusion "2" sockets of the HORN electromagnetic valve and the ignition switch. The safety lock No. 25 or unreliability of connections in the assembly block of interior of the car burned down
Conclusions "1", "3" sockets of the relay of turning on of the fuel pump and "weight"
Put an ignition switch key in position of "ASS", then in the provision of "ON"
U = U of the academician baht.
Break of a wire between conclusions "1", "3" sockets of the relay of turning on of the fuel pump and the ignition switch. The safety lock No. 17 or unreliability of connections in the assembly block of interior of the car burned down
Conclusion "2" sockets of the relay of turning on of the fuel pump
The same
The same
Relay of turning on of the fuel pump
Conclusion "106" sockets of the controller and "weight"
»
»
Break of a wire between a conclusion "106" sockets of the controller and a conclusion "2" sockets of the relay of turning on of the fuel pump
Conclusion "3" sockets of the sensor of content of oxygen in the fulfilled gases and "weight"
»
»
Break of a wire between a conclusion "3" sockets of the sensor and the ignition switch. The safety lock No. 16 or unreliability of connections in the assembly block of interior of the car burned down
Conclusion of "1" socket of the relay of turning on of the electromagnetic coupling of the compressor of the conditioner (the right block of the relay in a motor compartment) and "weight"
»
»
Break of a wire between a conclusion of "1" socket of the relay of turning on of the electromagnetic coupling of the compressor of the conditioner and the switch of ignition. The safety lock No. 6 or unreliability of connections in the assembly block of interior of the car burned down
Conclusion "3" sockets of the relay of turning on of the electromagnetic coupling of the compressor of the conditioner and "weight"
»
»
Relay of turning on of the electromagnetic coupling of the compressor of the conditioner
Conclusion "11" sockets of the controller and "weight"
»
»
Break of a wire between a conclusion "11" sockets of the controller and a conclusion "2" sockets of the relay of turning on of the electromagnetic coupling of the compressor of the conditioner
Conclusion "5" sockets of the relay of turning on of the fuel pump and "weight"
An inspection is carried out during a 5-second delay of turning on of the fuel pump
»
Relay of turning on of the fuel pump
Conclusion of "1" socket of brown color of the fuel pump and "weight"
 
 
Break of a wire between a conclusion of "1" socket of the fuel pump and a conclusion "5" sockets of the relay of turning on of the fuel pump
Conclusion "106" sockets of the controller and "weight"
»
U = 0
Malfunction of the controller
Conclusion "6" sockets of the switch of ignition and "weight"
Put an ignition switch key in position of "ST"
U = U of the academician baht.
The ignition switch is faulty
Conclusion "34" sockets of the controller
The same
The same
Break of a wire between a conclusion "34" sockets of the controller and a conclusion "6" sockets of the switch of ignition. The safety lock No. 36 or unreliability of connections in the assembly block of interior of the car burned down
Conclusion "5" sockets of the relay of turning on of the electromagnetic coupling of the compressor of the conditioner (the right block of the relay in a motor compartment) and "weight"
The engine idles. The conditioner is switched on
»
The relay of turning on of the electromagnetic coupling of the compressor of the conditioner is faulty
Conclusion of "1" socket of the regulator of the accelerated idling and "weight"
The same
»
Break of a wire between a conclusion of "1" socket of the regulator of the accelerated idling and a conclusion "5" sockets of the relay of turning on of the electromagnetic coupling of the compressor of the conditioner
Conclusion "11" sockets of the controller and "weight"
»
U=0
Malfunction of the controller

  Table 2.12 Check of Resistance of Knots and Units COURT
The checked system element
Conclusions or points of connection
Standard, value, result of check
Possible malfunction
Sensor    of position of the camshaft and frequency of rotation of the engine
Conclusion "4" sockets (gray color) of the distributor of ignition and conclusions of the socket of the 40 and 31 controller (on GA14DE and GA16DE engines) or conclusions "30" and "22" (on the SR20DE engine)
The device has to show lack of break of a chain
Malfunction of the sensor. Break of a wire between a conclusion "4" sockets of the distributor of ignition and the specified controller conclusions. Violation of shielding of a wire
Conclusion "6" sockets (gray color) of the distributor of ignition and "weight"
R = 0,5 Ohms
Break of a wire between a conclusion "6" sockets of the distributor of ignition and a point of connection of "weight"
Measuring instrument of a mass consumption of air
Conclusion "3" sockets of the measuring instrument of a mass consumption of air and conclusions "21", "29" sockets of the controller
The device has to show lack of break of a chain
Measuring instrument of a mass consumption of air. Break of a wire between a conclusion "2" sockets of the measuring instrument of a mass consumption of air and conclusions "21", "29" sockets of the controller
Conclusion of "1" socket of the measuring instrument of a mass consumption of air and conclusion "16" sockets of the controller
R = <0,5 Ohms
Break of a wire between a conclusion of "1" socket of the measuring instrument of a mass consumption of air and a conclusion "16" sockets of the controller. Shielding of a wire is faulty
Conclusion "2" sockets of the measuring instrument of a mass consumption of air and conclusions "21", "29" sockets of the controller
The device has to show lack of break of a chain
Break of a wire between a conclusion "2" sockets of the measuring instrument of a mass consumption of air and conclusions "21", "29" sockets of the controller
Measuring instrument of a mass consumption of air
Conclusion of "1" measuring instrument of a mass consumption of air and "weight"
The device has to show lack of break of a chain
Break of a wire between a conclusion of "1" socket of the measuring instrument and a point of connection of "weight"
Sensor of temperature of cooling liquid
Conclusions "18" and "21", "29" sockets of the controller
Resistance size: 7,0-11,4 kOhm at -10 °C; 2,1-2,9 kOhm at 20 °C; 0,6-1,0 kOhm at 50 °C; 0,23-0,26 kOhm at 90 °C; 0,15 kOhm at 110 °C
Malfunction of the sensor. Break of a wire between a conclusion "2" sockets of the sensor and a conclusion "18" sockets of the controller. Break of a wire between a conclusion of "1" socket of the sensor and conclusions "21", "29" sockets of the controller
 Ignition distributor
Conclusion "8" sockets (gray color) of the distributor of ignition and conclusion "3" sockets of the controller
R = <2,2 Ohms
Malfunction of the control resistor. Break of a wire between a conclusion "8" sockets of the distributor of ignition and a conclusion of "1" control resistor. Break of a wire between a conclusion "2" sockets of the control resistor and a conclusion "3" sockets of the controller
Conclusion of "1" socket (gray color) of the distributor of ignition and conclusion of "1" socket of the controller
R = <0,5 Ohms
Break of a wire between a conclusion of "1" socket of the distributor of ignition and a conclusion of "1" socket of the controller
Conclusion "2" sockets 9 (gray color) of the distributor of ignition and "weight"
The device has to show lack of break of a chain
Break of a wire between a conclusion "2" sockets of the distributor of ignition and a point of connection of "weight"
Conclusion "2" sockets of gray color and conclusion of "8" 2-shtyrko-vogo socket of gray color of the distributor of ignition
Resistance has to differ from 0
Malfunction of the switchboard
  Ignition coil (primary winding)
Conclusions "7" and "8" 2-probe-kovogo of the socket of gray color of the distributor of ignition
R = 1,0 Ohms (0,5-1,0 Ohms on the SR20DE engine)
Malfunction of the coil of ignition
  Ignition coil (secondary winding)
Conclusion "7" 2-shtyrkovy sockets of gray color of the distributor of ignition and high-voltage conclusion of the distributor of ignition
R = 10,0 kOhm (25,0 kOhm on the SR20DE engine)
Ignition coil
Sensor    of provision of a butterfly valve
Conclusions "37" and "21", "29" sockets of the controller
R = 4,6 kOhm
Malfunction of the sensor. Break of a wire between a conclusion of "1" socket of the sensor and a conclusion "37" sockets of the controller. Break of a wire between a conclusion "3" sockets of the sensor and conclusions "21", "29" sockets of the controller
Conclusions "37" and "20" sockets of the controller
The pedal      of the drive of a butterfly valve is completely released: R = 4,0 kOhm; it is completely pressed: R = 0,5 kOhm
Malfunction of the sensor. Break of a wire between a conclusion of "1" socket of the sensor and a conclusion "37" EBU sockets. Break of a wire between a conclusion "2" sockets of the sensor and a conclusion "20" sockets of the controller. Violation of shielding of a wire
 
Conclusions "20" and "21", "29" sockets of the controller
The pedal is completely released: R = 0,5 kOhm (1,0 kOhm on the SR20DE engine); it is completely pressed: R = 4,0kOm (10,0kOm on the SE20DE engine)
Malfunction of the sensor. Break of a wire between a conclusion "2" sockets of the sensor and a conclusion "20" sockets of the controller. Break of a wire between a conclusion "3" sockets of the sensor and conclusions "21", "29" sockets of the controller. Violation of shielding of a wire
The detonation sensor (on the SR20DE engine)
Conclusion "27" controllers and "weight"
R = infinity.
Malfunction of the sensor of a detonation
Fuel nozzle 1 - го the cylinder
Conclusion "2" sockets of a nozzle and conclusion of "101" sockets of the controller
R = 10-14 Ohms
Malfunction of a nozzle. Break of a wire between a conclusion of "1" socket of a nozzle and a conclusion of "101" sockets of the controller
Fuel nozzle of the 2nd cylinder
Conclusion "2" sockets of a nozzle and conclusion "110" sockets of the controller
R = 10-14 Ohms
Malfunction of a nozzle. Break of a wire between a conclusion of "1" socket of a nozzle and a conclusion "110" sockets of the controller
Fuel nozzle of the 3rd cylinder
Conclusion "2" sockets of a nozzle and conclusion "103" sockets of the controller
R = 10-14 Ohms
Malfunction of a nozzle. Break of a wire between a conclusion of "1" socket of a nozzle and a conclusion "103" sockets of the controller
Fuel nozzle of the 4th cylinder
Conclusion "2" sockets of a nozzle and conclusion "112" sockets of the controller
R = 10-14 Ohms
Malfunction of a nozzle. Break of a wire between a conclusion of "1" socket of a nozzle and a conclusion "112" sockets of the controller
Fuel pump
Conclusions of "1" and "2" fuel pumps
R=1-5 Ohm
Malfunction of the fuel pump
Conclusion "2" sockets of the fuel pump and "weight"
R = <0,5 Ohms
Break of a wire between a conclusion "2" sockets of the fuel pump and a point of connection of "weight"
Idling regulator
Conclusion of "1" socket of the regulator of idling and conclusion "113" sockets of the controller
R=10 Ohm
Malfunction of the regulator of idling. Break of a wire between a conclusion "2" sockets of the regulator of idling and a conclusion "113" sockets of the controller
The regulator of the accelerated idling
Conclusions "1" and "2" sockets of the regulator of the accelerated idling
R = 26 Ohms
Malfunction of the regulator of the accelerated idling
Conclusion "2" sockets of the regulator of the accelerated idling and "mass" (GF14DEMGF16DE engines)
R = 0,5 Ohms
Break of a wire between a conclusion "2" sockets of the regulator of the accelerated idling and a point of connection of "weight"
HORN electromagnetic valve and purges of an absorber
Conclusion "2" sockets of the HORN electromagnetic valve and conclusion "105" sockets of the controller
R = 32,6 Ohms
Malfunction of the electromagnetic valve. Break of a wire between a conclusion of "1" socket of the electromagnetic valve and a conclusion "105" sockets of the controller
The sensor   of content of oxygen in the fulfilled gases
Conclusion of "1" socket of the sensor and conclusion "102" sockets of the controller
R = 2,3-4,3 Ohms
Malfunction of the sensor. Break of a wire between a conclusion of "1" socket of the sensor and a conclusion "102" sockets of the controller
Pressure sensor in system of the hydraulic booster of steering
Conclusion "43" sockets of the controller and conclusion "2" sockets of the sensor of pressure
R = infinity at the wheels established directly; R = 0,5 Ohms at the wheels  turned  against the stop
Malfunction of the sensor of pressure. Break of a wire between a conclusion "43" sockets of the controller and a conclusion of "1" socket of the sensor of pressure
Conclusion "2" sockets of the sensor of pressure and "weight"
R = <0,5 Ohms
Break of a wire between a conclusion "2" sockets of the sensor of pressure and a point of connection of "weight"
Sensor of position of the lever of gear shifting
Conclusion "35" sockets of the controller and conclusion "2" sockets of the sensor
R = infinity by the included transfer; R = 0,5 Ohms at neutral position of the lever
Malfunction of the sensor. Break of a wire between a conclusion "35" sockets of the controller and a conclusion of "1" socket of the sensor
Conclusion "2" sockets of the sensor and "weight"
R = <0,5 Ohms
Break of a wire between a conclusion "2" sockets of the sensor and a point of connection of "weight"
Sensor of position of the lever of the selector
Conclusion "35" sockets of the controller and conclusion of "1" socket of the sensor
R = infinity by the included transfer; R = 0,5 Ohms when finding the lever of the selector in situation "P" or "N"
Malfunction of the sensor. Break of a wire between a conclusion "35" sockets of the controller and a conclusion "2" sockets of the sensor and a point of connection of "weight"
Conclusion of "1" socket of the sensor and "weight"
R = <0,5 Ohms
Break of a wire between a conclusion of "1" socket of the sensor and a point of connection of "weight"
Points    of connection of "mass" of the controller
Conclusions "6", "13", "39", "48", "107", "108", "116" sockets of the controller and "weight"
R = <0,5 Ohms
Wire breakage between conclusions "6", "13", "39", "48", "107", "108", "116" sockets of the controller and points of connection of "weight"

  Table 2.13 Check of Passing of Signals of KSUD Sensors
The checked sensor
Conclusions for connection of the measuring device
Standard value, result of check
Possible place of malfunction
Sensor of temperature of cooling liquid *
Conclusions "18" and "21", "29" sockets of the controller
U = 5B
Malfunction of the controller
Sensor of provision of a butterfly valve *
Conclusions "37" and "21", "29" sockets of the controller
The same
The same
Sensor of position of the lever of gear shifting *
Conclusion "35" sockets of the controller and conclusion "2" sockets of the sensor
U = 5 B by the included transfer; there is no tension at neutral position of the lever
»
Sensor of position of the lever of the selector *
Conclusion "35" sockets of the controller and conclusion of "1" socket of the sensor
U = 5 B by the included transfer; there is no tension when finding the lever of the selector in situation "P" and "N"
»
Sensor of position of the camshaft and frequency of rotation of the engine **
Conclusions "40", "31" sockets of the controller (for GA14DE and GA16DE engines) or "30", "22" (for the SR20DE engine)
Change of voltage from 0 to 5 V depending on the frequency of rotation of the engine
Malfunction of the sensor
The sensor of content of oxygen in the fulfilled gases
Conclusions "19", "102" sockets of the controller
Change of tension from 0,1 to 0,8 In in process of warming up of the engine up to the working temperature
Malfunction of the sensor. Break of a wire between a conclusion "102" sockets of the controller. Break of a wire between a conclusion "2" sockets of the sensor and a conclusion "19" sockets of the controller. Violation of shielding of a wire
Pressure sensor in system of the hydraulic booster of steering
Conclusion "43" sockets of the controller and conclusion "2" sockets of the sensor
There is no tension at the wheels established directly; U = 5 B at the wheels turned against the stop
Malfunction of the controller


       PREVENTIONS
You carry out inspections on controller socket block conclusions. At the same time the plug socket has to be disconnected from the controller. During measurements plug sockets of the checked elements should not be disconnected.
You carry out inspections at the connected controller socket with use of the transitional block connected consistently between the controller and its shtekerny socket.


After end of a cycle of check switch off ignition.

"previous page
4.13.3. Preliminary checks
following page"
4.13.5. Self-diagnostics of KSUD