Nissan Primera P11. Instruction — part 74
ENGINE CONTROL SYSTEM
CONTENTS
CD20T
Special Service Tools . . . . . . . . . . . . 3
Engine Fuel & Emission Control System . . . . .. 5
Supplemental Restraint System (SRS)
. . . . 6
Precautions for On Board Diagnostic (OBD)
System of Engine . . . . . . . . . . . . . .. 6
Precautions . . . . . . . . . . . . . . . . 7
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM
. . . . . . . . . . . . . . . . . . . 9
Engine Control Module Component Parts
Location . . . . . . . . . . . . . . . . . . 9
Circuit Diagram . . . . . . . . . . . . . . .11
System Diagram . . . . . . . . . . . . . .. 12
Vacuum Hose Drawing . . . . . . . . . . . 13
System Chart . . . . . . . . . . . . . . ... 14
ENGINE AND EMISSION BASIC CONTROL
SYSTEM DESCRIPTION
. . . . . . . . . . . . 15
Glow Control System. . . . . . . . . . . ... 15
Fuel Injection System . . . . . . . . . . . .. 15
Fuel Injection Timing System . . . . . . . . .. 18
Air Conditioning Cut Control. . . . . . . . . 20
Cooling Fan Control. . . . . . . . . . . . . 20
. . . . . .. 21
Description . . . . . . . . . . . . . . . ... 21
Blow-by Control Valve . . . . . . . . . . . . 21
Ventilation Hose. . . . . . . . . . . . . ... 21
. . . . . . . . . . . . ... 22
Removal and Installation . . . . . . . . . . . 22
Test and Adjustment . . . . . . . . . . . . 22
ELECTRONIC FUEL INJECTION PUMP
. . . . . 24
Removal. . . . . . . . . . . . . . . . ... 24
Installation. . . . . . . . . . . . . . . . 25
Disassembly and Assembly. . . . . . . . . . 26
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION
. . . . . . . . . . . . . . . . 27
CONSULT-II . . . . . . . . . . . . . . . . 27
TROUBLE DIAGNOSIS - INTRODUCTION
. . . . 33
Introduction . . . . . . . . . . . . . . . .. 33
Diagnostic Worksheet. . . . . . . . . . . .. 34
. . . . . 35
Work Flow. . . . . . . . . . . . . . . . 35
Description for Work Flow . . . . . . . . . ... 36
TROUBLE DIAGNOSIS - BASIC INSPECTION
. . . 37
Basic Inspection. . . . . . . . . . . . . ... 37
TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION
. . . . . . . . . . . . . . . . 39
Diagnostic Trouble Chart . . . . . . . . . . . 39
Symptom Matrix Chart. . . . . . . . . . . . 47
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 50
Major Sensor Reference Graph in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 51
ECM Terminals and Reference Value . . . . . . 52
TROUBLE DIAGNOSIS FOR POWER SUPPLY
. . 59
Main Power Supply and Ground Circuit. . . . .. 59
. . . . . . . . . . . 62
Mass Air Flow Sensor (MAFS) . . . . . . . . 62
. . . . . . . . . . . 66
Engine Coolant Temperature (ECT) Sensor . . ... 66
. . . . . . . . . . . 70
Vehicle Speed Sensor (VSS) . . . . . . . . .. 70
. . . . . . . . . . . 74
Control Sleeve Position Sensor (CSPS) . . . . . 74
. . . . . . . . . . . 78
Electric Governor . . . . . . . . . . . . . . 78
. . . . . . . . . . . 82
EC
Injection Timing Control Valve . . . . . . . . . 82
. . . . . . . . . . . 86
Engine Control Module (ECM) . . . . . . . . 86
. . . . . . . . . . . 87
Cooling Fan (Overheat) . . . . . . . . . . ... 87
. . . . . . . . . . . 97
Needle Lift Sensor (NLS) . . . . . . . . . . 97
Fuel Cut Solenoid Valve . . . . . . . . . . 100
. . . . . . . . . . 104
Fuel Temperature Sensor (FTS). . . . . . . 104
Accelerator Position Sensor & Switch. . . . ... 108
Crankshaft Position Sensor (TDC) . . . . . . .114
. . . . . . . . . ...118
Glow Control System. . . . . . . . . . . ..118
. . . . . . . . . .. 126
Air Conditioner Cut Control . . . . . . . . ... 126
. . . . . . . . . .. 129
EGRC-Solenoid Valve . . . . . . . . . . ... 129
. . . . . . . . . .. 136
Brake Switch. . . . . . . . . . . . . . .. 136
. . . . . . . . . .. 140
ECM Relay. . . . . . . . . . . . . . . . 140
. . . . . . . . . .. 141
MI & Data Link Connectors . . . . . . . . ... 141
. . . . . . . . . .. 145
Start Signal . . . . . . . . . . . . . . . 145
SERVICE DATA AND SPECIFICATIONS (SDS)
. .. 147
General Specifications. . . . . . . . . . ... 147
Injection Nozzle . . . . . . . . . . . . . . 147
Inspection and Adjustment . . . . . . . . . 147
When you read wiring diagrams:
●
Read GI section, “HOW TO READ WIRING DIAGRAMS”.
●
See EL section, “POWER SUPPLY ROUTING” for power distribution circuit.
●
See EL section for NATS information and wiring diagram.
When you perform trouble diagnoses, read GI section, “HOW TO FOLLOW FLOW CHART
IN TROUBLE DIAGNOSES” and “HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN
ELECTRICAL INCIDENT”.
For clarification of system component abbreviations and terminology read GI section
“SAE J1930 TERMINOLOGY LIST”.
EC-2
Special Service Tools
Tool number
Tool name
Description
KV11289004
Nozzle cleaning kit
p
1
KV11290012
Box
p
2
KV11290110
Brush
p
3
KV11290122
Nozzle oil sump
scraper
p
4
KV11290140
Nozzle needle tip
cleaner
p
5
KV11290150
Nozzle seat scraper
p
6
KV11290210
Nozzle holder
p
7
KV11290220
Nozzle hole clean-
ing needle
NT296
KV109E0010
Break-out box
NT825
KV109E0050
Y-cable adapter
NT826
KV11292010
Nozzle centering device
NT293
KV11100300
No. 2-4 injection nozzle
holder socket
NT563
PRECAUTIONS AND PREPARATION
CD20T
EC-3
Tool number
Tool name
Description
KV119E0030
No. 1 injection nozzle
holder socket
NT648
PRECAUTIONS AND PREPARATION
CD20T
Special Service Tools (Cont’d)
EC-4
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