Index Nissan Qashqai J11. Engine control system (R9M). Service and Repair Manual
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Qashqai J11. Engine control system (R9M) - part 1 EC9-1 ENGINE C D E F G H I J K L M SECTION EC9 A EC9 N O P CONTENTS ENGINE CONTROL SYSTEM (R9M) R9M PRECAUTION ............................................... 9 PRECAUTIONS ................................................... 9 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-SIONER" ................................................................... 9 Precaution for Procedure without Cowl Top Cover ...... 9 Precautions for Removing Battery Terminal ............. 9 Precaution for Stop/Start System Service ............... 10 On Board Diagnostic (OBD) System of Engine ....... 11 SYSTEM DESCRIPTION ............................. 12 COMPONENT PARTS ....................................... 12 Component Parts Location ...................................... 12 ECM ........................................................................ 16 Camshaft Position Sensor ....................................... 16 Crankshaft Position Sensor ..................................... 16 Mass Air Flow Sensor ............................................. 16 Intake Air Temperature Sensor 1 ............................ 16 Turbocharger Boost Sensor .................................... 17 Intake Air Temperature Sensor 2 ............................ 17 Air Fuel Ratio (A/F) Sensor ..................................... 17 Engine Coolant Temperature Sensor ...................... 17 High Pressure Fuel Pump ....................................... 17 Fuel Pump ............................................................... 17 Fuel Injector ............................................................ 18 Fuel Rail Pressure Sensor ...................................... 18 Fuel Pressure Sensor ............................................. 18 Fuel Temperature Sensor ....................................... 18 Fuel Heater With Water In Fuel Level Sensor ......... 18 FPCM (Fuel Pump Control Module) ........................ 18 Turbocharger Boost Control Solenoid Valve ........... 18 High Pressure EGR Volume Control Valve ............. 19 Low Pressure EGR Volume Control Valve .............. 19 Low Pressure EGR Temperature Sensor ............... 19 Electric Throttle Control Actuator ............................ 19 Intake Manifold Runner Control Valve .................... 19 Exhaust Electric Throttle Control Actuator .............. 19 DPF (Diesel Particulate Filter) ................................. 20 Exhaust Gas Pressure Sensor ................................ 20 DPF Differential Pressure Sensor ........................... 20 Exhaust Gas Temperature Sensor 1 ....................... 20 Exhaust Gas Temperature Sensor 2 ....................... 21 Glow Control Unit .................................................... 21 Glow Plug ................................................................ 21 Glow Indicator Lamp ................................................ 21 Cooling Fan ............................................................. 21 Cooling Fan Resistor ............................................... 21 Thermoplunger ........................................................ 21 Thermoplunger Control Unit .................................... 21 Engine Coolant Bypass Valve ................................. 22 Engine Coolant Bypass Valve Control Solenoid Valve ........................................................................ 22 Accelerator Pedal Position Sensor .......................... 22 Refrigerant Pressure Sensor ................................... 22 Stop Lamp Switch .................................................... 22 Brake Pedal Position Switch .................................... 22 Clutch Interlock Switch & Clutch Pedal Position Switch ...................................................................... 22 ASCD Steering Switch ............................................. 22 Malfunction Indicator Lamp ..................................... 23 Information Display .................................................. 23 DC/DC Converter .................................................... 23 Engine Restart Relay ............................................... 23 Engine Restart Bypass Control Relay ..................... 23 Engine Restart Bypass Relay .................................. 23 Hood Switch ............................................................ 23 Stop/Start Indicator Lamp ........................................ 24 Stop/Start OFF Switch ............................................. 24 SYSTEM ............................................................ 25 ENGINE CONTROL SYSTEM ................................... 25 ENGINE CONTROL SYSTEM : System Diagram .... 25 ENGINE CONTROL SYSTEM : Vacuum Hose Drawing ................................................................... 25 ENGINE CONTROL SYSTEM : System Descrip-tion ........................................................................... 26
EC9-1
ENGINE
C
D
E
F
G
H
I
J
K
L
M
SECTION
EC9
A
N
O
P
CONTENTS
ENGINE CONTROL SYSTEM (R9M)
R9M
PRECAUTION ...............................................
9
PRECAUTIONS ...................................................
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-SIONER" ...................................................................
Precaution for Procedure without Cowl Top Cover
......
Precautions for Removing Battery Terminal .............
Precaution for Stop/Start System Service ...............
10
On Board Diagnostic (OBD) System of Engine .......
11
SYSTEM DESCRIPTION .............................
12
COMPONENT PARTS .......................................
Component Parts Location ......................................
ECM ........................................................................
16
Camshaft Position Sensor .......................................
Crankshaft Position Sensor .....................................
Mass Air Flow Sensor .............................................
Intake Air Temperature Sensor 1 ............................
Turbocharger Boost Sensor ....................................
17
Intake Air Temperature Sensor 2 ............................
Air Fuel Ratio (A/F) Sensor .....................................
Engine Coolant Temperature Sensor ......................
High Pressure Fuel Pump .......................................
Fuel Pump ...............................................................
Fuel Injector ............................................................
18
Fuel Rail Pressure Sensor ......................................
Fuel Pressure Sensor .............................................
Fuel Temperature Sensor .......................................
Fuel Heater With Water In Fuel Level Sensor .........
FPCM (Fuel Pump Control Module) ........................
Turbocharger Boost Control Solenoid Valve ...........
High Pressure EGR Volume Control Valve .............
19
Low Pressure EGR Volume Control Valve ..............
Low Pressure EGR Temperature Sensor ...............
Electric Throttle Control Actuator ............................
Intake Manifold Runner Control Valve ....................
Exhaust Electric Throttle Control Actuator ..............
DPF (Diesel Particulate Filter) .................................
20
Exhaust Gas Pressure Sensor ................................
DPF Differential Pressure Sensor ...........................
Exhaust Gas Temperature Sensor 1 .......................
Exhaust Gas Temperature Sensor 2 .......................
21
Glow Control Unit ....................................................
Glow Plug ................................................................
Glow Indicator Lamp ................................................
Cooling Fan .............................................................
Cooling Fan Resistor ...............................................
Thermoplunger ........................................................
Thermoplunger Control Unit ....................................
Engine Coolant Bypass Valve .................................
22
Engine Coolant Bypass Valve Control Solenoid Valve ........................................................................
Accelerator Pedal Position Sensor ..........................
Refrigerant Pressure Sensor ...................................
Stop Lamp Switch ....................................................
Brake Pedal Position Switch ....................................
Clutch Interlock Switch & Clutch Pedal Position Switch ......................................................................
ASCD Steering Switch .............................................
Malfunction Indicator Lamp .....................................
23
Information Display ..................................................
DC/DC Converter ....................................................
Engine Restart Relay ...............................................
Engine Restart Bypass Control Relay .....................
Engine Restart Bypass Relay ..................................
Hood Switch ............................................................
Stop/Start Indicator Lamp ........................................
24
Stop/Start OFF Switch .............................................
SYSTEM ............................................................
25
ENGINE CONTROL SYSTEM ...................................
ENGINE CONTROL SYSTEM : System Diagram ....
ENGINE CONTROL SYSTEM : Vacuum Hose Drawing ...................................................................
ENGINE CONTROL SYSTEM : System Descrip-tion ...........................................................................
26