1999 NISSAN PRIMERA Electronic Repair Manual

Page 305 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Circuit Diagram
YEC099A
ENGINE AND EMISSION CONTROL OVERALL SYSTEMCD20T
EC-11

Page 306 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual System Diagram
YEC125A
ENGINE AND EMISSION CONTROL OVERALL SYSTEMCD20T
EC-12

Page 307 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Vacuum Hose Drawing
p1EGRC-solenoid valves A and B to EGR valve
p2EGRC-solenoid valves A and B to air duct
p3EGRC-solenoid valve A to vacuum pump
Refer to ªSystem Diagramº on previous page for vacuu

Page 308 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual System Chart
Crankshaft position sensor
(TDC)E
ECM
Control sleeve position sensorE
Fuel temperature sensorE
Mass air flow sensorE
Engine coolant temperature
sensorE
Needle lift sensorE
Accelerator pos

Page 309 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Glow Control System
SYSTEM DESCRIPTION
Crankshaft position sensor (TDC)EEngine speed
ECMEGlow relayEGlow plugs
Engine coolant temperature sensorEEngine coolant temperatureEGlow lamp
When coolant tempe

Page 310 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual IDLE CONTROL
Input/output signal line
Engine coolant temperature sensorEEngine coolant temperature
ECM
EElectric
governor
Crankshaft position sensor (TDC)EEngine speed
Air conditioner switch
EAir cond

Page 311 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual FUEL TEMPERATURE COMPENSATION
Input/output signal line
Fuel temperature sensorEFuel temperature
ECM
EElectric
governorCrankshaft position sensor (TDC)EEngine speed
Control sleeve position sensor
ECont

Page 312 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Fuel Injection Timing System
SYSTEM DESCRIPTION
The fuel injection timing system determines the optimal fuel injection timing, based on engine speed, injec-
tion quantity, engine coolant temperature a