2007 INFINITI M35 Factory Service Manual

Page 2553 of 4647

INFINITI M35 2007  Factory Service Manual EC-1024
[VK45DE]
DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS005FB
BANK 1
TBWT1492E

Page 2554 of 4647

INFINITI M35 2007  Factory Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
EC-1025
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
Specification data are reference values and are measured between each termin

Page 2555 of 4647

INFINITI M35 2007  Factory Service Manual EC-1026
[VK45DE]
DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2007 April2007 M35/M45
BANK 2
TBWT1493E

Page 2556 of 4647

INFINITI M35 2007  Factory Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
EC-1027
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
Specification data are reference values and are measured between each termin

Page 2557 of 4647

INFINITI M35 2007  Factory Service Manual EC-1028
[VK45DE]
DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2007 April2007 M35/M45
Diagnostic ProcedureNBS005FC
1. CHECK EXHAUST GAS LEAK
1. Start engine and run it at idle.
2. Listen f

Page 2558 of 4647

INFINITI M35 2007  Factory Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
EC-1029
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
3. CHECK AIR FUEL RATIO (A/F) SENSOR 1 INPUT SIGNAL CIRCUIT
1. Turn ignition

Page 2559 of 4647

INFINITI M35 2007  Factory Service Manual EC-1030
[VK45DE]
DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2007 April2007 M35/M45
4. CHECK FUEL PRESSURE
1. Release fuel pressure to zero. Refer to EC-790, "
FUEL PRESSURE RELEASE" .
2

Page 2560 of 4647

INFINITI M35 2007  Factory Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
EC-1031
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
7. CHECK FUNCTION OF FUEL INJECTOR
 With CONSULT-II
1. Perform “POWER BALA