Infiniti Q45. Manual — part 342

EC-7

C

D

E

F

G

H

I

J

K

L

M

EC

A

CONSULT-II Reference Value in Data Monitor Mode

. 627

On Board Diagnosis Logic . . . . . . . . ... 627
DTC Confirmation Procedure . . . . . . . ... 627
Wiring Diagram . . . . . . . . . . . . . 629
Diagnostic Procedure . . . . . . . . . . ... 630
Component Inspection . . . . . . . . . . . 632

DTC P2101 ELECTRIC THROTTLE CONTROL
FUNCTION . . . . . . . . . . . . . . . .. 633

Description . . . . . . . . . . . . . . ... 633
On Board Diagnosis Logic . . . . . . . . ... 633
DTC Confirmation Procedure . . . . . . . ... 633
Wiring Diagram . . . . . . . . . . . . . 634
Diagnostic Procedure . . . . . . . . . . ... 635
Component Inspection . . . . . . . . . . . 639
Removal and Installation . . . . . . . . . .. 639

DTC P2118 THROTTLE CONTROL MOTOR . . 640

Component Description . . . . . . . . . . 640
On Board Diagnosis Logic . . . . . . . . ... 640
DTC Confirmation Procedure . . . . . . . ... 640
Wiring Diagram . . . . . . . . . . . . . 641
Diagnostic Procedure . . . . . . . . . . ... 642
Component Inspection . . . . . . . . . . . 643
Removal and Installation . . . . . . . . . .. 644

DTC P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR . . . . . . . . . . . . . . . 645

Component Description . . . . . . . . . . 645
On Board Diagnosis Logic . . . . . . . . ... 645
DTC Confirmation Procedure . . . . . . . ... 645
Diagnostic Procedure . . . . . . . . . . ... 646

DTC P2122, P2123 APP SENSOR . . . . . . 647

Component Description . . . . . . . . . . 647
CONSULT-II Reference Value in Data Monitor Mode

. 647

On Board Diagnosis Logic . . . . . . . . ... 647
DTC Confirmation Procedure . . . . . . . ... 648
Wiring Diagram . . . . . . . . . . . . . 649
Diagnostic Procedure . . . . . . . . . . ... 650
Component Inspection . . . . . . . . . . . 652
Removal and Installation . . . . . . . . . .. 653

DTC P2127, P2128 APP SENSOR . . . . . . 654

Component Description . . . . . . . . . . 654
CONSULT-II Reference Value in Data Monitor Mode

. 654

On Board Diagnosis Logic . . . . . . . . ... 654
DTC Confirmation Procedure . . . . . . . ... 655
Wiring Diagram . . . . . . . . . . . . . 656
Diagnostic Procedure . . . . . . . . . . ... 657
Component Inspection . . . . . . . . . . . 660
Removal and Installation . . . . . . . . . .. 660

DTC P2135 TP SENSOR . . . . . . . . . . 661

Component Description . . . . . . . . . . 661
CONSULT-II Reference Value in Data Monitor Mode

. 661

On Board Diagnosis Logic . . . . . . . . ... 661
DTC Confirmation Procedure . . . . . . . ... 662
Wiring Diagram . . . . . . . . . . . . . 663
Diagnostic Procedure . . . . . . . . . . ... 664

Component Inspection . . . . . . . . . . .. 667
Removal and Installation . . . . . . . . . .. 667

DTC P2138 APP SENSOR . . . . . . . . . . 668

Component Description . . . . . . . . . . 668
CONSULT-II Reference Value in Data Monitor Mode

. 668

On Board Diagnosis Logic . . . . . . . . . 668
DTC Confirmation Procedure . . . . . . . ... 669
Wiring Diagram . . . . . . . . . . . . . . 670
Diagnostic Procedure . . . . . . . . . . ... 671
Component Inspection . . . . . . . . . . .. 675
Removal and Installation . . . . . . . . . .. 675

DTC P2A00, P2A03 A/F SENSOR 1 . . . . . .. 676

Component Description . . . . . . . . . . 676
CONSULT-II Reference Value in Data Monitor Mode

. 676

On Board Diagnosis Logic . . . . . . . . . 676
DTC Confirmation Procedure . . . . . . . ... 676
Wiring Diagram . . . . . . . . . . . . . . 678
Diagnostic Procedure . . . . . . . . . . ... 681
Removal and Installation . . . . . . . . . .. 686

ASCD BRAKE SWITCH . . . . . . . . . . . 687

Component Description . . . . . . . . . . 687
CONSULT-II Reference Value in Data Monitor Mode

. 687

Wiring Diagram . . . . . . . . . . . . . . 688
Diagnostic Procedure . . . . . . . . . . ... 689
Component Inspection . . . . . . . . . . .. 693

ASCD INDICATOR . . . . . . . . . . . . .. 695

Component Description . . . . . . . . . . 695
CONSULT-II Reference Value in Data Monitor Mode

. 695

Wiring Diagram . . . . . . . . . . . . . . 696
Diagnostic Procedure . . . . . . . . . . ... 697

ELECTRICAL LOAD SIGNAL . . . . . . . . 698

CONSULT-II Reference Value in Data Monitor Mode

. 698

Wiring Diagram . . . . . . . . . . . . . . 699
Diagnostic Procedure . . . . . . . . . . ... 701

FUEL INJECTOR . . . . . . . . . . . . . 706

Component Description . . . . . . . . . . 706
CONSULT-II Reference Value in Data Monitor Mode

. 706

Wiring Diagram . . . . . . . . . . . . . . 707
Diagnostic Procedure . . . . . . . . . . ... 710
Component Inspection . . . . . . . . . . .. 714
Removal and Installation . . . . . . . . . .. 714

FUEL PUMP . . . . . . . . . . . . . . . 715

Description . . . . . . . . . . . . . . . 715
CONSULT-II Reference Value in Data Monitor Mode

. 715

Wiring Diagram . . . . . . . . . . . . . . 716
Diagnostic Procedure . . . . . . . . . . ... 717
Component Inspection . . . . . . . . . . .. 721
Removal and Installation . . . . . . . . . .. 721

ICC BRAKE SWITCH . . . . . . . . . . . . 722

Component Description . . . . . . . . . . 722
CONSULT-II Reference Value in Data Monitor Mode

. 722

EC-8

Wiring Diagram . . . . . . . . . . . . . . 723
Diagnostic Procedure . . . . . . . . . . ... 724
Component Inspection . . . . . . . . . . .. 730

IGNITION SIGNAL . . . . . . . . . . . . .. 731

Component Description . . . . . . . . . . 731
Wiring Diagram . . . . . . . . . . . . . . 732
Diagnostic Procedure . . . . . . . . . . ... 737
Component Inspection . . . . . . . . . . .. 742
Removal and Installation . . . . . . . . . .. 743

REFRIGERANT PRESSURE SENSOR . . . . .. 744

Component Description . . . . . . . . . . 744
Wiring Diagram . . . . . . . . . . . . . . 745
Diagnostic Procedure . . . . . . . . . . ... 746
Removal and Installation . . . . . . . . . .. 748

VARIABLE INDUCTION AIR CONTROL SYSTEM
(VIAS) . . . . . . . . . . . . . . . . . .. 749

Description . . . . . . . . . . . . . . . 749
CONSULT-II Reference Value in Data Monitor Mode

. 750

Wiring Diagram . . . . . . . . . . . . . . 751

Diagnostic Procedure . . . . . . . . . . . 753
Component Inspection . . . . . . . . . . ..756
Removal and Installation . . . . . . . . . ...756

MIL AND DATA LINK CONNECTOR . . . . . ..757

Wiring Diagram . . . . . . . . . . . . . .757

SERVICE DATA AND SPECIFICATIONS (SDS) . 759

Fuel Pressure . . . . . . . . . . . . . . 759
Idle Speed and Ignition Timing . . . . . . . ..759
Calculated Load Value . . . . . . . . . . ..759
Mass Air Flow Sensor . . . . . . . . . . ...759
Intake Air Temperature Sensor . . . . . . . .759
Engine Coolant Temperature Sensor . . . . . 759
Fuel Temperature Sensor . . . . . . . . . .759
Crankshaft Position Sensor (POS) . . . . . ...759
Camshaft Position Sensor (PHASE) . . . . . .759
A/F Sensor 1 Heater . . . . . . . . . . . .759
Heated Oxygen sensor 2 Heater . . . . . . ..760
Throttle Control Motor . . . . . . . . . . ...760
Fuel Injector . . . . . . . . . . . . . . ..760
Fuel Pump . . . . . . . . . . . . . . . .760

INDEX FOR DTC

EC-9

C

D

E

F

G

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M

A

EC

INDEX FOR DTC

PFP:00024

DTC No. Index

NBS001PW

NOTE:

●

If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to

EC-156, "DTC U1000, U1001 CAN COMMUNICATION LINE"

.

●

If DTC U1010 is displayed with other DTC, first perform the trouble diagnosis for DTC U1010. Refer
to

EC-159, "DTC U1010 CAN COMMUNICATION"

.

DTC*

1

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*

2

ECM*

3

U1000

1000*

4

CAN COMM CIRCUIT

EC-156

U1001

1001*

4

CAN COMM CIRCUIT

EC-156

U1010

1010

CONTROL UNIT(CAN)

EC-159

P0000

0000

NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.

—

P0011

0011

INT/V TIM CONT-B1

EC-161

P0021

0021

INT/V TIM CONT-B2

EC-161

P0031

0031

A/F SEN1 HTR (B1)

EC-173

P0032

0032

A/F SEN1 HTR (B1)

EC-173

P0037

0037

HO2S2 HTR (B1)

EC-180

P0038

0038

HO2S2 HTR (B1)

EC-180

P0051

0051

A/F SEN1 HTR (B2)

EC-173

P0052

0052

A/F SEN1 HTR (B2)

EC-173

P0057

0057

HO2S2 HTR (B2)

EC-180

P0058

0058

HO2S2 HTR (B2)

EC-180

P0075

0075

INT/V TIM V/CIR-B1

EC-188

P0081

0081

INT/V TIM V/CIR-B2

EC-188

P0101

0101

MAF SEN/CIRCUIT

EC-195

P0102

0102

MAF SEN/CIRCUIT

EC-204

P0103

0103

MAF SEN/CIRCUIT

EC-204

P0112

0112

IAT SEN/CIRCUIT

EC-211

P0113

0113

IAT SEN/CIRCUIT

EC-211

P0117

0117

ECT SEN/CIRC

EC-215

P0118

0118

ECT SEN/CIRC

EC-215

P0122

0122

TP SEN2/CIRC

EC-221

P0123

0123

TP SEN2/CIRC

EC-221

P0125

0125

ECT SENSOR

EC-228

P0127

0127

IAT SENSOR

EC-231

P0128

0128

THERMSTAT FNCTN

EC-234

P0130

0130

A/F SENSOR1 (B1)

EC-236

P0131

0131

A/F SENSOR1 (B1)

EC-246

P0132

0132

A/F SENSOR1 (B1)

EC-255

P0133

0133

A/F SENSOR1 (B1)

EC-264

P0137

0137

HO2S2 (B1)

EC-276

P0138

0138

HO2S2 (B1)

EC-288

EC-10

INDEX FOR DTC

P0139

0139

HO2S2 (B1)

EC-304

P0150

0150

A/F SENSOR1 (B2)

EC-236

P0151

0151

A/F SENSOR1 (B2)

EC-246

P0152

0152

A/F SENSOR1 (B2)

EC-255

P0153

0153

A/F SENSOR1 (B2)

EC-264

P0157

0157

HO2S2 (B2)

EC-276

P0158

0158

HO2S2 (B2)

EC-288

P0159

0159

HO2S2 (B2)

EC-304

P0171

0171

FUEL SYS-LEAN-B1

EC-316

P0172

0172

FUEL SYS-RICH-B1

EC-328

P0174

0174

FUEL SYS-LEAN-B2

EC-316

P0175

0175

FUEL SYS-RICH-B2

EC-328

P0181

0181

FTT SENSOR

EC-339

P0182

0182

FTT SEN/CIRCUIT

EC-344

P0183

0183

FTT SEN/CIRCUIT

EC-344

P0222

0222

TP SEN 1/CIRC

EC-348

P0223

0223

TP SEN 1/CIRC

EC-348

P0300

0300

MULTI CYL MISFIRE

EC-355

P0301

0301

CYL 1 MISFIRE

EC-355

P0302

0302

CYL 2 MISFIRE

EC-355

P0303

0303

CYL 3 MISFIRE

EC-355

P0304

0304

CYL 4 MISFIRE

EC-355

P0305

0305

CYL 5 MISFIRE

EC-355

P0306

0306

CYL 6 MISFIRE

EC-355

P0307

0307

CYL 7 MISFIRE

EC-355

P0308

0308

CYL 8 MISFIRE

EC-355

P0327

0327

KNOCK SEN/CIRC-B1

EC-365

P0328

0328

KNOCK SEN/CIRC-B1

EC-365

P0332

0332

KNOCK SEN/CIRC-B2

EC-365

P0333

0333

KNOCK SEN/CIRC-B2

EC-365

P0335

0335

CKP SEN/CIRCUIT

EC-370

P0340

0340

CMP SEN/CIRC-B1

EC-379

P0420

0420

TW CATALYST SYS-B1

EC-386

P0430

0430

TW CATALYST SYS-B2

EC-386

P0441

0441

EVAP PURG FLOW/MON

EC-391

P0442

0442

EVAP SMALL LEAK

EC-396

P0443

0443

PURG VOLUME CONT/V

EC-404

P0444

0444

PURG VOLUME CONT/V

EC-412

P0445

0445

PURG VOLUME CONT/V

EC-412

P0447

0447

VENT CONTROL VALVE

EC-419

P0448

0448

VENT CONTROL VALVE

EC-430

P0452

0452

EVAP SYS PRES SEN

EC-436

DTC*

1

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*

2

ECM*

3