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EC-16
YD (WITHOUT EURO-OBD)
INDEX FOR DTC ....................................................1458
Alphabetical Index ...............................................1458
DTC No. Index .....................................................1460
PRECAUTIONS ......................................................1462
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ..............................................................1462
On Board Diagnostic (OBD) System of Engine ...1462
Precautions ..........................................................1462
PREPARATION ......................................................1465
Special Service Tools ..........................................1465
Commercial Service Tools ...................................1465
ENGINE CONTROL SYSTEM ...............................1466
System Diagram ..................................................1466
Vacuum Hose Drawing ........................................1467
System Chart .......................................................1468
Fuel Injection Control System ..............................1468
Fuel Injection Timing Control System ..................1470
Air Conditioning Cut Control ................................1470
Fuel Cut Control (At No Load & High Engine Speed) 1470
Crankcase Ventilation System .............................1471
CAN Communication ...........................................1471
BASIC SERVICE PROCEDURE ............................1472
Fuel Filter .............................................................1472
Fuel Pump Learning Value Clearing ....................1473
Injector Adjustment Value Registration ................1474
ON BOARD DIAGNOSTIC (OBD) SYSTEM .........1476
DTC and MI Detection Logic ...............................1476
Diagnostic Trouble Code (DTC) ..........................1476
Freeze Frame Data ..............................................1477
NATS (Nissan Anti-Theft System) .......................1477
Malfunction Indicator (MI) ....................................1477
Relationship Between MI, DTC, CONSULT-II and
Driving Patterns ...................................................1480
TROUBLE DIAGNOSIS .........................................1482
Trouble Diagnosis Introduction ............................1482
DTC Inspection Priority Chart ..............................1486
Basic Inspection ..................................................1487
Symptom Matrix Chart .........................................1491
Engine Control Component Parts Location .........1495
Circuit Diagram ....................................................1500
ECM Harness Connector Terminal Layout ..........1502
ECM Terminals And Reference Value .................1502
CONSULT-II Function (ENGINE) .........................1510
CONSULT-II Reference Value in Data Monitor Mode
1516
Major Sensor Reference Graph in Data Monitor
Mode ....................................................................1518
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT ......................................................................1520
Description ...........................................................1520
Diagnostic Procedure ..........................................1520
POWER SUPPLY AND GROUND CIRCUIT ..........1521
Wiring Diagram ....................................................1521
Diagnostic Procedure ..........................................1522
Component Inspection .........................................1528
Ground Inspection ...............................................1528
DTC U1000 CAN COMMUNICATION LINE ...........1530
Description ...........................................................1530
On Board Diagnosis Logic ...................................1530
DTC Confirmation Procedure ...............................1530
Wiring Diagram ....................................................1531
Diagnostic Procedure ...........................................1532
DTC P0016 CKP - CMP CORRELATION ..............1533
On Board Diagnosis Logic ...................................1533
DTC Confirmation Procedure ...............................1533
Diagnostic Procedure ...........................................1533
DTC P0088 FUEL SYSTEM ...................................1535
On Board Diagnosis Logic ...................................1535
DTC Confirmation Procedure ...............................1535
Diagnostic Procedure ...........................................1535
Removal and Installation ......................................1536
DTC P0089 FUEL PUMP .......................................1537
On Board Diagnosis Logic ...................................1537
DTC Confirmation Procedure ...............................1537
Diagnostic Procedure ...........................................1537
Removal and Installation ......................................1538
DTC P0093 FUEL SYSTEM ...................................1539
On Board Diagnosis Logic ...................................1539
DTC Confirmation Procedure ...............................1539
Diagnostic Procedure ...........................................1539
Component Inspection .........................................1541
Removal and Installation ......................................1542
DTC P0102, P0103 MAF SENSOR ........................1543
Component Description .......................................1543
CONSULT-II Reference Value in Data Monitor Mode
1543
On Board Diagnosis Logic ...................................1543
DTC Confirmation Procedure ...............................1543
Wiring Diagram ....................................................1545
Diagnostic Procedure ...........................................1547
Component Inspection .........................................1549
Removal and Installation ......................................1550
DTC P0112, P0113 IAT SENSOR ...........................1551
Component Description .......................................1551
On Board Diagnosis Logic ...................................1551
DTC Confirmation Procedure ...............................1551
Wiring Diagram ....................................................1553
Diagnostic Procedure ...........................................1554
Component Inspection .........................................1556
Removal and Installation ......................................1556
DTC P0117, P0118 ECT SENSOR .........................1557
Description ...........................................................1557
On Board Diagnosis Logic ...................................1557
DTC Confirmation Procedure ...............................1557
Wiring Diagram ....................................................1559
Diagnostic Procedure ...........................................1560
Component Inspection .........................................1562
Removal and Installation ......................................1562
DTC P0122, P0123 APP SENSOR ........................1563
Description ...........................................................1563
CONSULT-II Reference Value in Data Monitor Mode
1563
On Board Diagnosis Logic ...................................1563
DTC Confirmation Procedure ...............................1563
Wiring Diagram ....................................................1565
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