2007 NISSAN 350Z ECM

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION EC
A
EC
Revision: 2006 November2007 350Z
ENGINE CONTROL SYSTEM
INDEX FOR DTC ........................................................ 8
DTC No. Index ......................................................... 8
Alphabetical Index .................................................. 13
PRECAUTIONS ........................................................ 18
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 18
Precautions for Battery Service .............................. 18
Precautions for Procedures without Cowl Top Cover ... 18
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 18
Precaution .............................................................. 19
PREPARATION ......................................................... 22
Special Service Tools ............................................. 22
Commercial Service Tools ...................................... 23
ENGINE CONTROL SYSTEM .................................. 24
System Diagram ..................................................... 24
Multiport Fuel Injection (MFI) System .................... 25
Electronic Ignition (EI) System ............................... 27
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 28
AIR CONDITIONING CUT CONTROL ..................... 29
Input/Output Signal Chart ....................................... 29
System Description ................................................ 29
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 30
System Description ................................................ 30
Component Description .......................................... 31
CAN COMMUNICATION .......................................... 32
System Description ................................................ 32
EVAPORATIVE EMISSION SYSTEM ....................... 33
Description ............................................................. 33
Component Inspection ........................................... 36
Removal and Installation ........................................ 37
How to Detect Fuel Vapor Leakage ....................... 37
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ...................................................................... 39
System Description ................................................ 39
Diagnostic Procedure ............................................. 40
Component Inspection ........................................... 42
POSITIVE CRANKCASE VENTILATION ................. 44Description .............................................................. 44
Component Inspection ............................................ 45
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-
NATS) ........................................................................ 46
Description .............................................................. 46
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 47
Introduction ............................................................. 47
Two Trip Detection Logic ........................................ 47
Emission-related Diagnostic Information ................ 48
Malfunction Indicator Lamp (MIL) ........................... 62
OBD System Operation Chart ................................ 65
BASIC SERVICE PROCEDURE ............................... 71
Basic Inspection ..................................................... 71
Idle Speed and Ignition Timing Check .................... 76
Procedure After Replacing ECM ............................ 76
VIN Registration ..................................................... 76
Exhaust Valve Timing Control Learning .................. 76
Accelerator Pedal Released Position Learning ...... 77
Throttle Valve Closed Position Learning ................. 77
Idle Air Volume Learning ........................................ 77
Fuel Pressure Check .............................................. 79
TROUBLE DIAGNOSIS ............................................ 81
Trouble Diagnosis Introduction ............................... 81
DTC Inspection Priority Chart ................................. 87
Fail-safe Chart ........................................................ 89
Symptom Matrix Chart ............................................ 90
Engine Control Component Parts Location ............ 94
Vacuum Hose Drawing .........................................100
Circuit Diagram .....................................................101
ECM Harness Connector Terminal Layout ...........103
ECM Terminals and Reference Value ...................103
CONSULT-III Function (ENGINE) .........................116
Generic Scan Tool (GST) Function .......................125
CONSULT-III Reference Value in Data Monitor ....127
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .132
Description ............................................................132
Testing Condition ..................................................132
Inspection Procedure ............................................132
Diagnostic Procedure ...........................................133
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-

EC-5
C
D
E
F
G
H
I
J
K
L
M
ECA
Revision: 2006 November2007 350Z Mode .................................................................... 444
On Board Diagnosis Logic ................................... 444
DTC Confirmation Procedure ............................... 445
Wiring Diagram .................................................... 446
Diagnostic Procedure ........................................... 447
Component Inspection ......................................... 449
DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................. 450
Component Description ........................................ 450
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... 450
On Board Diagnosis Logic ................................... 450
DTC Confirmation Procedure ............................... 451
Diagnostic Procedure ........................................... 452
Component Inspection ......................................... 455
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................. 456
Component Description ........................................ 456
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... 456
On Board Diagnosis Logic ................................... 456
DTC Confirmation Procedure ............................... 457
Wiring Diagram .................................................... 458
Diagnostic Procedure ........................................... 460
Component Inspection ......................................... 464
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................. 465
Component Description ........................................ 465
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... 465
On Board Diagnosis Logic ................................... 466
DTC Confirmation Procedure ............................... 466
Wiring Diagram .................................................... 467
Diagnostic Procedure ........................................... 469
Component Inspection ......................................... 474
DTC P0455 EVAP CONTROL SYSTEM ................ 475
On Board Diagnosis Logic ................................... 475
DTC Confirmation Procedure ............................... 476
Diagnostic Procedure ........................................... 477
DTC P0456 EVAP CONTROL SYSTEM ................ 482
On Board Diagnosis Logic ................................... 482
DTC Confirmation Procedure ............................... 483
Overall Function Check ........................................ 483
Diagnostic Procedure ........................................... 484
DTC P0460 FUEL LEVEL SENSOR ...................... 490
Component Description ........................................ 490
On Board Diagnosis Logic ................................... 490
DTC Confirmation Procedure ............................... 490
Diagnostic Procedure ........................................... 490
Removal and Installation ...................................... 491
DTC P0461 FUEL LEVEL SENSOR ...................... 492
Component Description ........................................ 492
On Board Diagnosis Logic ................................... 492
Overall Function Check ........................................ 492
Diagnostic Procedure ........................................... 493
Removal and Installation ...................................... 493
DTC P0462, P0463 FUEL LEVEL SENSOR .......... 494
Component Description ........................................ 494
On Board Diagnosis Logic ................................... 494DTC Confirmation Procedure ...............................494
Diagnostic Procedure ...........................................494
Removal and Installation ......................................495
DTC P0500 VSS ......................................................496
Description ............................................................496
On Board Diagnosis Logic ....................................496
DTC Confirmation Procedure ...............................496
Overall Function Check ........................................497
Diagnostic Procedure ...........................................497
DTC P0506 ISC SYSTEM .......................................498
Description ............................................................498
On Board Diagnosis Logic ....................................498
DTC Confirmation Procedure ...............................498
Diagnostic Procedure ...........................................498
DTC P0507 ISC SYSTEM .......................................500
Description ............................................................500
On Board Diagnosis Logic ....................................500
DTC Confirmation Procedure ...............................500
Diagnostic Procedure ...........................................500
DTC P0550 PSP SENSOR .....................................502
Component Description ........................................502
CONSULT-III Reference Value in Data Monitor
Mode .....................................................................502
On Board Diagnosis Logic ....................................502
DTC Confirmation Procedure ...............................502
Wiring Diagram .....................................................503
Diagnostic Procedure ...........................................505
Component Inspection ..........................................507
Removal and Installation ......................................507
DTC P0603 ECM POWER SUPPLY .......................508
Component Description ........................................508
On Board Diagnosis Logic ....................................508
DTC Confirmation Procedure ...............................508
Wiring Diagram .....................................................509
Diagnostic Procedure ...........................................510
DTC P0605 ECM .....................................................512
Component Description ........................................512
On Board Diagnosis Logic ....................................512
DTC Confirmation Procedure ...............................512
Diagnostic Procedure ...........................................513
DTC P0643 SENSOR POWER SUPPLY ................514
On Board Diagnosis Logic ....................................514
DTC Confirmation Procedure ...............................514
Wiring Diagram .....................................................515
Diagnostic Procedure ...........................................517
DTC P0850 PNP SWITCH ......................................520
Component Description ........................................520
CONSULT-III Reference Value in Data Monitor
Mode .....................................................................520
On Board Diagnosis Logic ....................................520
DTC Confirmation Procedure ...............................520
Overall Function Check ........................................520
Wiring Diagram .....................................................522
Diagnostic Procedure ...........................................525
DTC P1078 P1084 EVT CONTROL POSITION SEN-
SOR .........................................................................528
Component Description ........................................528
CONSULT-III Reference Value in Data Monitor
Mode .....................................................................528

EC-8
INDEX FOR DTC
Revision: 2006 November2007 350Z
INDEX FOR DTCPFP:00024
DTC No. IndexNBS00027
NOTE:

If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-151, "
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-154, "
DTC U1010 CAN COMMUNICATION" .
DTC*1
Items
(CONSULT-III screen terms)Reference page
CONSULT-III
GST*
2ECM*3
U1000
1000*4CAN COMM CIRCUITEC-151
U1001
1001*4CAN COMM CIRCUITEC-151
U1010 1010 CONTROL UNIT(CAN)EC-154
P0000 0000NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.—
P0011 0011 INT/V TIM CONT-B1EC-156
P0014 0014 EXH/V TIM CONT-B1EC-160
P0021 0021 INT/V TIM CONT-B2EC-156
P0024 0024 EXH/V TIM CONT-B2EC-160
P0031 0031 A/F SEN1 HTR (B1)EC-165
P0032 0032 A/F SEN1 HTR (B1)EC-165
P0037 0037 HO2S2 HTR (B1)EC-173
P0038 0038 HO2S2 HTR (B1)EC-173
P0051 0051 A/F SEN1 HTR (B2)EC-165
P0052 0052 A/F SEN1 HTR (B2)EC-165
P0057 0057 HO2S2 HTR (B2)EC-173
P0058 0058 HO2S2 HTR (B2)EC-173
P0075 0075 INT/V TIM V/CIR-B1EC-183
P0078 0078 EX V/T MGT/RTDR-B1EC-190
P0081 0081 INT/V TIM V/CIR-B2EC-183
P0084 0084 EX V/T MGT/RTDR-B2EC-190
P0101 0101 MAF SEN/CIRCUIT-B1EC-197
P0102 0102 MAF SEN/CIRCUIT-B1EC-208
P0103 0103 MAF SEN/CIRCUIT-B1EC-208
P010B 010B MAF SEN/CIRCUIT-B2EC-197
P010C 010C MAF SEN/CIRCUIT-B2EC-208
P010D 010D MAF SEN/CIRCUIT-B2EC-208
P0112 0112 IAT SEN/CIRCUIT-B1EC-218
P0113 0113 IAT SEN/CIRCUIT-B1EC-218
P0117 0117 ECT SEN/CIRCEC-223
P0118 0118 ECT SEN/CIRCEC-223
P0122 0122 TP SEN 2/CIRC-B1EC-229
P0123 0123 TP SEN 2/CIRC-B1EC-229
P0125 0125 ECT SENSOREC-239
P0127 0127 IAT SENSOR-B1EC-243

INDEX FOR DTC
EC-9
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2006 November2007 350ZP0128 0128 THERMSTAT FNCTNEC-246
P0130 0130 A/F SENSOR1 (B1)EC-248
P0131 0131 A/F SENSOR1 (B1)EC-257
P0132 0132 A/F SENSOR1 (B1)EC-266
P0133 0133 A/F SENSOR1 (B1)EC-275
P0137 0137 HO2S2 (B1)EC-287
P0138 0138 HO2S2 (B1)EC-298
P0139 0139 HO2S2 (B1)EC-313
P0150 0150 A/F SENSOR1 (B2)EC-248
P0151 0151 A/F SENSOR1 (B2)EC-257
P0152 0152 A/F SENSOR1 (B2)EC-266
P0153 0153 A/F SENSOR1 (B2)EC-275
P0157 0157 HO2S2 (B2)EC-287
P0158 0158 HO2S2 (B2)EC-298
P0159 0159 HO2S2 (B2)EC-313
P0171 0171 FUEL SYS-LEAN-B1EC-324
P0172 0172 FUEL SYS-RICH-B1EC-334
P0174 0174 FUEL SYS-LEAN-B2EC-324
P0175 0175 FUEL SYS-RICH-B2EC-334
P0181 0181 FTT SENSOREC-344
P0182 0182 FTT SEN/CIRCUITEC-348
P0183 0183 FTT SEN/CIRCUITEC-348
P0196 0196 EOT SENSOREC-352
P0197 0197 EOT SEN/CIRCEC-348
P0198 0198 EOT SEN/CIRCEC-348
P0222 0222 TP SEN 1/CIRC-B1EC-361
P0223 0223 TP SEN 1/CIRC-B1EC-361
P0227 0227 TP SEN 2/CIRC-B2EC-229
P0228 0228 TP SEN 2/CIRC-B2EC-229
P0300 0300 MULTI CYL MISFIREEC-371
P0301 0301 CYL 1 MISFIREEC-371
P0302 0302 CYL 2 MISFIREEC-371
P0303 0303 CYL 3 MISFIREEC-371
P0304 0304 CYL 4 MISFIREEC-371
P0305 0305 CYL 5 MISFIREEC-371
P0306 0306 CYL 6 MISFIREEC-371
P0327 0327 KNOCK SEN/CIRC-B1EC-379
P0328 0328 KNOCK SEN/CIRC-B1EC-379
P0332 0332 KNOCK SEN/CIRC-B2EC-379
P0333 0333 KNOCK SEN/CIRC-B2EC-379
P0335 0335 CKP SEN/CIRCUITEC-386
P0340 0340 CMP SEN/CIRC-B1EC-394
DTC*1
Items
(CONSULT-III screen terms)Reference page
CONSULT-III
GST*
2ECM*3

EC-10
INDEX FOR DTC
Revision: 2006 November2007 350Z
P0345 0345 CMP SEN/CIRC-B2EC-394
P0420 0420 TW CATALYST SYS-B1EC-406
P0430 0430 TW CATALYST SYS-B2EC-406
P0441 0441 EVAP PURG FLOW/MONEC-411
P0442 0442 EVAP SMALL LEAKEC-416
P0443 0443 PURG VOLUME CONT/VEC-423
P0444 0444 PURG VOLUME CONT/VEC-431
P0445 0445 PURG VOLUME CONT/VEC-431
P0447 0447 VENT CONTROL VALVEEC-437
P0448 0448 VENT CONTROL VALVEEC-444
P0451 0451 EVAP SYS PRES SENEC-450
P0452 0452 EVAP SYS PRES SENEC-456
P0453 0453 EVAP SYS PRES SENEC-465
P0455 0455 EVAP GROSS LEAKEC-475
P0456 0456 EVAP VERY SML LEAKEC-482
P0460 0460 FUEL LEV SEN SLOSHEC-490
P0461 0461 FUEL LEVEL SENSOREC-492
P0462 0462 FUEL LEVL SEN/CIRCEC-494
P0463 0463 FUEL LEVL SEN/CIRCEC-494
P0500 0500 VEH SPEED SEN/CIRCEC-496
P0506 0506 ISC SYSTEMEC-498
P0507 0507 ISC SYSTEMEC-500
P0550 0550 PW ST P SEN/CIRCEC-502
P0603 0603 ECM BACK UP/CIRCUITEC-508
P0605 0605 ECMEC-512
P0643 0643 SENSOR POWER/CIRCEC-514
P0700 0700 TCMAT-101
P0705 0705 PNP SW/CIRCAT-102
P0710 0710 ATF TEMP SEN/CIRCAT-134
P0717 0717 TURBINE SENSORAT- 11 3
P0720 0720 VEH SPD SEN/CIR ATAT-108
P0731 0731 A/T 1ST GR FNCTNAT- 11 5
P0732 0732 A/T 2ND GR FNCTNAT- 11 7
P0733 0733 A/T 3RD GR FNCTNAT- 11 9
P0734 0734 A/T 4TH GR FNCTNAT-121
P0735 0735 A/T 5TH GR FNCTNAT-123
P0740 0740 TCC SOLENOID/CIRCAT-125
P0744 0744 A/T TCC S/V FNCTNAT-127
P0745 0745 L/PRESS SOL/CIRCAT-129
P0850 0850 P-N POS SW/CIRCUITEC-520
P1078 1078 EXH TIM SEN/CIR-B1EC-528
P1084 1084 EXH TIM SEN/CIR-B2EC-528
DTC*1
Items
(CONSULT-III screen terms)Reference page
CONSULT-III
GST*
2ECM*3

INDEX FOR DTC
EC-11
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2006 November2007 350ZP1148 1148 CLOSED LOOP-B1EC-540
P1168 1168 CLOSED LOOP-B2EC-540
P1211 1211 TCS C/U FUNCTNEC-541
P1212 1212 TCS/CIRCEC-542
P1217 1217 ENG OVER TEMPEC-543
P1225 1225 CTP LEARNING-B1EC-557
P1226 1226 CTP LEARNING-B1EC-559
P1233 1233 ETC FUNCTION/CIRC-B2EC-561
P1234 1234 CTP LEARNING-B2EC-557
P1235 1235 CTP LEARNING-B2EC-559
P1236 1236 ETC MOT-B2EC-571
P1238 1238 ETC ACTR-B2EC-580
P1239 1239 TP SENSOR-B2EC-582
P1290 1290 ETC MOT PWR-B2EC-592
P1421 1421 COLD START CONTROLEC-600
P1564 1564 ASCD SWEC-602
P1572 1572 ASCD BRAKE SWEC-610
P1574 1574 ASCD VHL SPD SENEC-625
P1610 - P1615 1610 - 1615 NATS MALFUNCTIONEC-46
P1715 1715 IN PULY SPEEDEC-627
P1730 1730 A/T INTERLOCKAT- 1 4 1
P1752 1752 I/C SOLENOID/CIRCAT- 1 4 5
P1757 1757 FR/B SOLENOID/CIRCAT- 1 4 7
P1762 1762 D/C SOLENOID/CIRCAT- 1 4 9
P1767 1767 HLR/C SOL/CIRCAT- 1 5 1
P1772 1772 LC/B SOLENOID/CIRCAT- 1 5 3
P1774 1774 LC/B SOLENOID FNCTAT- 1 5 5
P1805 1805 BRAKE SW/CIRCUITEC-628
P2100 2100 ETC MOT PWR-B1EC-592
P2101 2101 ETC FUNCTION/CIRC-B1EC-561
P2103 2103 ETC MOT PWREC-592
P 2 11 8 2 11 8 E T C M O T- B 1EC-571
P 2 11 9 2 11 9 E T C A C T R - B 1EC-580
P2122 2122 APP SEN 1/CIRCEC-633
P2123 2123 APP SEN 1/CIRCEC-633
P2127 2127 APP SEN 2/CIRCEC-641
P2128 2128 APP SEN 2/CIRCEC-641
P2132 2132 TP SEN 1/CIRC-B2EC-361
P2133 2133 TP SEN 1/CIRC-B2EC-361
P2135 2135 TP SENSOR-B1EC-582
P2138 2138 APP SENSOREC-650
DTC*1
Items
(CONSULT-III screen terms)Reference page
CONSULT-III
GST*
2ECM*3

EC-12
INDEX FOR DTC
Revision: 2006 November2007 350Z
*1: 1st trip DTC No. is the same as DTC No.
*2: This number is prescribed by SAE J2012.
*3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN.
*4: The troubleshooting for this DTC needs CONSULT-III.P2A00 2A00 A/F SENSOR1 (B1)EC-659
P2A03 2A03 A/F SENSOR1 (B2)EC-659
DTC*1
Items
(CONSULT-III screen terms)Reference page
CONSULT-III
GST*
2ECM*3

INDEX FOR DTC
EC-13
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2006 November2007 350Z
Alphabetical IndexNBS00028
NOTE:

If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-151, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .

If DTC U1010 is displayed with other DTC, first perform the diagnosis for DTC U1010.
Refer to EC-154, "
DTC U1010 CAN COMMUNICATION" .
Items
(CONSULT-III screen terms)DTC*
1
Reference page
CONSULT-III
GST*
2ECM*3
A/F SEN1 HTR (B1) P0031 0031EC-165
A/F SEN1 HTR (B1) P0032 0032EC-165
A/F SEN1 HTR (B2) P0051 0051EC-165
A/F SEN1 HTR (B2) P0052 0052EC-165
A/F SENSOR1 (B1) P0130 0130EC-248
A/F SENSOR1 (B1) P0131 0131EC-257
A/F SENSOR1 (B1) P0132 0132EC-266
A/F SENSOR1 (B1) P0133 0133EC-275
A/F SENSOR1 (B1) P2A00 2A00EC-659
A/F SENSOR1 (B2) P0150 0150EC-248
A/F SENSOR1 (B2) P0151 0151EC-257
A/F SENSOR1 (B2) P0152 0152EC-266
A/F SENSOR1 (B2) P0153 0153EC-275
A/F SENSOR1 (B2) P2A03 2A03EC-659
A/T 1ST GR FNCTN P0731 0731AT- 11 5
A/T 2ND GR FNCTN P0732 0732AT- 11 7
A/T 3RD GR FNCTN P0733 0733AT- 11 9
A/T 4TH GR FNCTN P0734 0734AT- 1 2 1
A/T 5TH GR FNCTN P0735 0735AT- 1 2 3
A/T INTERLOCK P1730 1730AT- 1 4 1
A/T TCC S/V FNCTN P0744 0744AT- 1 2 7
APP SEN 1/CIRC P2122 2122EC-633
APP SEN 1/CIRC P2123 2123EC-633
APP SEN 2/CIRC P2127 2127EC-641
APP SEN 2/CIRC P2128 2128EC-641
APP SENSOR P2138 2138EC-650
ASCD BRAKE SW P1572 1572EC-610
ASCD SW P1564 1564EC-602
ASCD VHL SPD SEN P1574 1574EC-625
ATF TEMP SEN/CIRC P0710 0710AT- 1 3 4
BRAKE SW/CIRCUIT P1805 1805EC-628
CAN COMM CIRCUIT U1000
1000*4EC-151
CAN COMM CIRCUIT U1001
1001*4EC-151
CKP SEN/CIRCUIT P0335 0335EC-386
CLOSED LOOP-B1 P1148 1148EC-540
CLOSED LOOP-B2 P1168 1168EC-540
CMP SEN/CIRC-B1 P0340 0340EC-394