Nissan Altima L32. Instruction — part 224

EC-17

C

D

E

F

G

H

I

J

K

L

M

EC

A

N

O

P

Component Function Check . . . . . . . .

1366

Diagnosis Procedure . . . . . . . . . . ...

1366

P0506 ISC SYSTEM . . . . . . . . . ...

1367

Description . . . . . . . . . . . . . . ..

1367

DTC Logic . . . . . . . . . . . . . . ...

1367

Diagnosis Procedure . . . . . . . . . . ...

1367

P0507 ISC SYSTEM . . . . . . . . . ...

1369

Description . . . . . . . . . . . . . . ..

1369

DTC Logic . . . . . . . . . . . . . . ...

1369

Diagnosis Procedure . . . . . . . . . . ...

1369

P0550 PSP SENSOR . . . . . . . . . .

1371

Description . . . . . . . . . . . . . . ..

1371

DTC Logic . . . . . . . . . . . . . . ...

1371

Diagnosis Procedure . . . . . . . . . . ...

1371

Component Inspection . . . . . . . . . .

1372

P0603 ECM POWER SUPPLY . . . . . ...

1374

Description . . . . . . . . . . . . . . ..

1374

DTC Logic . . . . . . . . . . . . . . ...

1374

Diagnosis Procedure . . . . . . . . . . ...

1374

P0605 ECM . . . . . . . . . . . . . .

1376

Description . . . . . . . . . . . . . . ..

1376

DTC Logic . . . . . . . . . . . . . . ...

1376

Diagnosis Procedure . . . . . . . . . . ...

1377

P0607 ECM . . . . . . . . . . . . . .

1378

Description . . . . . . . . . . . . . . ..

1378

DTC Logic . . . . . . . . . . . . . . ...

1378

Diagnosis Procedure . . . . . . . . . . ...

1378

P0643 SENSOR POWER SUPPLY . . . ...

1379

DTC Logic . . . . . . . . . . . . . . ...

1379

Diagnosis Procedure . . . . . . . . . . ...

1379

P0850 PNP SWITCH . . . . . . . . . ..

1382

Description . . . . . . . . . . . . . . ..

1382

DTC Logic . . . . . . . . . . . . . . ...

1382

Component Function Check . . . . . . . .

1383

Diagnosis Procedure . . . . . . . . . . ...

1383

P1148, P1168 CLOSED LOOP CONTROL ...

1386

DTC Logic . . . . . . . . . . . . . . ...

1386

P1212 TCS COMMUNICATION LINE . . .

1387

Description . . . . . . . . . . . . . . ..

1387

DTC Logic . . . . . . . . . . . . . . ...

1387

Diagnosis Procedure . . . . . . . . . . ...

1387

P1217 ENGINE OVER TEMPERATURE . ...

1388

DTC Logic . . . . . . . . . . . . . . ...

1388

Component Function Check . . . . . . . .

1388

Diagnosis Procedure . . . . . . . . . . ...

1389

P1225 TP SENSOR . . . . . . . . . .

1392

Description . . . . . . . . . . . . . . ..

1392

DTC Logic . . . . . . . . . . . . . . ...

1392

Diagnosis Procedure . . . . . . . . . . ...

1392

Special Repair Requirement . . . . . . . ...

1393

P1226 TP SENSOR . . . . . . . . . .

1394

Description . . . . . . . . . . . . . . ...

1394

DTC Logic . . . . . . . . . . . . . . .

1394

Diagnosis Procedure . . . . . . . . . . ...

1394

Special Repair Requirement . . . . . . . .

1395

P1421 COLD START CONTROL . . . . ..

1396

Description . . . . . . . . . . . . . . ...

1396

DTC Logic . . . . . . . . . . . . . . .

1396

Diagnosis Procedure . . . . . . . . . . ...

1396

P1550 BATTERY CURRENT SENSOR . . .

1398

Description . . . . . . . . . . . . . . ...

1398

DTC Logic . . . . . . . . . . . . . . .

1398

Diagnosis Procedure . . . . . . . . . . ...

1398

Component Inspection . . . . . . . . . . .

1399

P1551, P1552 BATTERY CURRENT SEN-
SOR . . . . . . . . . . . . . . . .

1401

Description . . . . . . . . . . . . . . ...

1401

DTC Logic . . . . . . . . . . . . . . .

1401

Diagnosis Procedure . . . . . . . . . . ...

1401

Component Inspection . . . . . . . . . . .

1402

P1553 BATTERY CURRENT SENSOR . . .

1404

Description . . . . . . . . . . . . . . ...

1404

DTC Logic . . . . . . . . . . . . . . .

1404

Diagnosis Procedure . . . . . . . . . . ...

1404

Component Inspection . . . . . . . . . . .

1405

P1554 BATTERY CURRENT SENSOR . . .

1407

Description . . . . . . . . . . . . . . ...

1407

DTC Logic . . . . . . . . . . . . . . .

1407

Component Function Check . . . . . . . .

1407

Diagnosis Procedure . . . . . . . . . . ...

1408

Component Inspection . . . . . . . . . . .

1409

P1564 ASCD STEERING SWITCH . . . .

1410

Description . . . . . . . . . . . . . . ...

1410

DTC Logic . . . . . . . . . . . . . . .

1410

Diagnosis Procedure . . . . . . . . . . ...

1410

Component Inspection . . . . . . . . . . .

1412

P1572 ASCD BRAKE SWITCH . . . . . .

1413

Description . . . . . . . . . . . . . . ...

1413

DTC Logic . . . . . . . . . . . . . . .

1413

Diagnosis Procedure . . . . . . . . . . ...

1414

Component Inspection (ASCD Brake Switch) . .

1418

Component Inspection (ASCD Clutch Switch) .

1419

Component Inspection (Stop Lamp Switch) . .

1420

P1574 ASCD VEHICLE SPEED SENSOR .

1421

Description . . . . . . . . . . . . . . ...

1421

DTC Logic . . . . . . . . . . . . . . .

1421

Diagnosis Procedure . . . . . . . . . . ...

1421

P1700 CVT CONTROL SYSTEM . . . . ...

1423

Description . . . . . . . . . . . . . . ...

1423

P1715 INPUT SPEED SENSOR (PRIMARY
SPEED SENSOR) . . . . . . . . . . ..

1424

EC-18

Description . . . . . . . . . . . . . . ...

1424

DTC Logic . . . . . . . . . . . . . . .

1424

Diagnosis Procedure . . . . . . . . . . ...

1424

P1720 VSS . . . . . . . . . . . . . ..

1426

Description . . . . . . . . . . . . . . ...

1426

DTC Logic . . . . . . . . . . . . . . .

1426

Diagnosis Procedure . . . . . . . . . . ...

1426

P1800 VIAS CONTROL SOLENOID VALVE 1

1428

Description . . . . . . . . . . . . . . ...

1428

DTC Logic . . . . . . . . . . . . . . .

1428

Diagnosis Procedure . . . . . . . . . . ...

1428

Component Inspection . . . . . . . . . . .

1429

P1801 VIAS CONTROL SOLENOID VALVE 2

1431

Description . . . . . . . . . . . . . . ...

1431

DTC Logic . . . . . . . . . . . . . . .

1431

Diagnosis Procedure . . . . . . . . . . ...

1431

Component Inspection . . . . . . . . . . .

1432

P1805 BRAKE SWITCH . . . . . . . . .

1434

Description . . . . . . . . . . . . . . ...

1434

DTC Logic . . . . . . . . . . . . . . .

1434

Diagnosis Procedure . . . . . . . . . . ...

1434

Component Inspection (Stop Lamp Switch) . .

1435

P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY . . . . . . . . . . . . .

1437

Description . . . . . . . . . . . . . . ...

1437

DTC Logic . . . . . . . . . . . . . . .

1437

Diagnosis Procedure . . . . . . . . . . ...

1437

P2101 ELECTRIC THROTTLE CONTROL
FUNCTION . . . . . . . . . . . . . ..

1439

Description . . . . . . . . . . . . . . ...

1439

DTC Logic . . . . . . . . . . . . . . .

1439

Diagnosis Procedure . . . . . . . . . . ...

1439

Component Inspection . . . . . . . . . . .

1441

Special Repair Requirement . . . . . . . .

1442

P2118 THROTTLE CONTROL MOTOR . . .

1443

Description . . . . . . . . . . . . . . ...

1443

DTC Logic . . . . . . . . . . . . . . .

1443

Diagnosis Procedure . . . . . . . . . . ...

1443

Component Inspection . . . . . . . . . . .

1444

Special Repair Requirement . . . . . . . .

1445

P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR . . . . . . . . . . . . .

1446

Description . . . . . . . . . . . . . . ...

1446

DTC Logic . . . . . . . . . . . . . . .

1446

Diagnosis Procedure . . . . . . . . . . ...

1447

Special Repair Requirement . . . . . . . .

1447

P2122, P2123 APP SENSOR . . . . . . .

1448

Description . . . . . . . . . . . . . . ...

1448

DTC Logic . . . . . . . . . . . . . . .

1448

Diagnosis Procedure . . . . . . . . . . ...

1448

Component Inspection . . . . . . . . . . .

1450

Special Repair Requirement . . . . . . . .

1450

P2127, P2128 APP SENSOR . . . . . . .

1451

Description . . . . . . . . . . . . . . ...

1451

DTC Logic . . . . . . . . . . . . . . .

1451

Diagnosis Procedure . . . . . . . . . . .

1451

Component Inspection . . . . . . . . . . .

1453

Special Repair Requirement . . . . . . . .

1454

P2135 TP SENSOR . . . . . . . . . .

1455

Description . . . . . . . . . . . . . . ...

1455

DTC Logic . . . . . . . . . . . . . . .

1455

Diagnosis Procedure . . . . . . . . . . .

1455

Component Inspection . . . . . . . . . . .

1457

Special Repair Requirement . . . . . . . .

1457

P2138 APP SENSOR . . . . . . . . . .

1458

Description . . . . . . . . . . . . . . ...

1458

DTC Logic . . . . . . . . . . . . . . .

1458

Diagnosis Procedure . . . . . . . . . . .

1459

Component Inspection . . . . . . . . . . .

1461

Special Repair Requirement . . . . . . . .

1461

P2A00, P2A03 A/F SENSOR 1 . . . . . ..

1463

Description . . . . . . . . . . . . . . ...

1463

DTC Logic . . . . . . . . . . . . . . .

1463

Diagnosis Procedure . . . . . . . . . . .

1464

ASCD BRAKE SWITCH . . . . . . . . .

1467

Description . . . . . . . . . . . . . . ...

1467

Component Function Check . . . . . . . .

1467

Diagnosis Procedure . . . . . . . . . . .

1467

Component Inspection (ASCD Brake Switch) . ..

1470

Component Inspection (ASCD Clutch Switch) . .

1470

ASCD INDICATOR . . . . . . . . . . .

1472

Description . . . . . . . . . . . . . . ...

1472

Component Function Check . . . . . . . .

1472

Diagnosis Procedure . . . . . . . . . . .

1472

COOLING FAN . . . . . . . . . . . ...

1473

Description . . . . . . . . . . . . . . ...

1473

Component Function Check . . . . . . . .

1473

Diagnosis Procedure . . . . . . . . . . .

1473

Component Inspection (Cooling Fan Motor) . .

1476

Component Inspection (Cooling Fan Relay) . .

1477

ELECTRICAL LOAD SIGNAL . . . . . .

1478

Description . . . . . . . . . . . . . . ...

1478

Component Function Check . . . . . . . .

1478

Diagnosis Procedure . . . . . . . . . . .

1478

ELECTRONIC CONTROLLED ENGINE
MOUNT . . . . . . . . . . . . . . ...

1480

Description . . . . . . . . . . . . . . ...

1480

Component Function Check . . . . . . . .

1480

Diagnosis Procedure . . . . . . . . . . .

1480

Component Inspection . . . . . . . . . . .

1481

FUEL INJECTOR . . . . . . . . . . .

1483

Description . . . . . . . . . . . . . . ...

1483

Component Function Check . . . . . . . .

1483

Diagnosis Procedure . . . . . . . . . . .

1483

EC-19

C

D

E

F

G

H

I

J

K

L

M

EC

A

N

O

P

Component Inspection . . . . . . . . . .

1485

FUEL PUMP . . . . . . . . . . . . ...

1486

Description . . . . . . . . . . . . . . ..

1486

Component Function Check . . . . . . . .

1486

Diagnosis Procedure . . . . . . . . . . ...

1486

Component Inspection (Fuel Pump) . . . . ...

1489

Component Inspection (Condenser-1) . . . .

1489

IGNITION SIGNAL . . . . . . . . . . .

1491

Description . . . . . . . . . . . . . . ..

1491

Component Function Check . . . . . . . .

1491

Diagnosis Procedure . . . . . . . . . . ...

1491

Component Inspection (Ignition Coil with Power
Transistor) . . . . . . . . . . . . . . ...

1494

Component Inspection (Condenser) . . . . ...

1495

MALFUNCTION INDICATOR LAMP . . . .

1496

Description . . . . . . . . . . . . . . ..

1496

Component Function Check . . . . . . . .

1496

Diagnosis Procedure . . . . . . . . . . ...

1496

ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) . . . . . . . . . . . . ...

1497

Description . . . . . . . . . . . . . . ..

1497

Component Function Check . . . . . . . .

1497

Diagnosis Procedure . . . . . . . . . . ...

1497

Component Inspection . . . . . . . . . .

1500

POSITIVE CRANKCASE VENTILATION . ..

1502

Description . . . . . . . . . . . . . . ..

1502

Component Inspection . . . . . . . . . .

1502

REFRIGERANT PRESSURE SENSOR . . .

1503

Description . . . . . . . . . . . . . . ..

1503

Component Function Check . . . . . . . .

1503

Diagnosis Procedure . . . . . . . . . . ...

1503

VARIABLE INDUCTION AIR SYSTEM . . ..

1506

Description . . . . . . . . . . . . . . ..

1506

Component Function Check . . . . . . . .

1506

Diagnosis Procedure . . . . . . . . . . ...

1507

ECU DIAGNOSIS . . . . . . . . . ..

1510

ECM . . . . . . . . . . . . . . . .

1510

Reference Value . . . . . . . . . . . . .

1510

Wiring Diagram—ENGINE CONTROL SYS-
TEM— . . . . . . . . . . . . . . . . .

1525

Fail-safe . . . . . . . . . . . . . . . ..

1551

DTC Inspection Priority Chart . . . . . . ...

1553

DTC Index . . . . . . . . . . . . . . ..

1555

How to Set SRT Code . . . . . . . . . ..

1558

Test Value and Test Limit . . . . . . . . .

1560

SYMPTOM DIAGNOSIS . . . . . . ...

1567

ENGINE CONTROL SYSTEM SYMPTOMS ..

1567

Symptom Table . . . . . . . . . . . . ...

1567

NORMAL OPERATING CONDITION . . .

1571

Description . . . . . . . . . . . . . . ...

1571

PRECAUTION . . . . . . . . . . ...

1572

PRECAUTIONS . . . . . . . . . . . ..

1572

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . .

1572

Precautions For Xenon Headlamp Service . . .

1572

Precaution for Procedure without Cowl Top Cover

1572

On Board Diagnostic (OBD) System of Engine
and CVT . . . . . . . . . . . . . . . ..

1573

General Precautions . . . . . . . . . . .

1573

PREPARATION . . . . . . . . . .

1577

PREPARATION . . . . . . . . . . . ..

1577

Special Service Tools . . . . . . . . . . ..

1577

Commercial Service Tools . . . . . . . . ...

1577

ON-VEHICLE MAINTENANCE . . . . .

1579

FUEL PRESSURE . . . . . . . . . . ..

1579

Inspection . . . . . . . . . . . . . . .

1579

EVAP LEAK CHECK . . . . . . . . . .

1581

Inspection . . . . . . . . . . . . . . .

1581

ON-VEHICLE REPAIR . . . . . . . ..

1583

EVAP CANISTER . . . . . . . . . . ...

1583

Exploded View . . . . . . . . . . . . . .

1583

Removal and Installation . . . . . . . . . .

1583

Inspection . . . . . . . . . . . . . . .

1584

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .

1585

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . ..

1585

Idle Speed . . . . . . . . . . . . . . ...

1585

Ignition Timing . . . . . . . . . . . . . .

1585

Calculated Load Value . . . . . . . . . .

1585

Mass Air Flow Sensor . . . . . . . . . . ..

1585

EC-20

< BASIC INSPECTION >

[QR25DE FOR CALIFORNIA]

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000004349124

OVERALL SEQUENCE

DETAILED FLOW

JMBIA0078GB

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