EC-9
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D
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G
H
I
J
K
L
M
EC
A
N
O
P
P0037, P0038, P0057, P0058 HO2S2 HEAT-
ER .....................................................................
636
Description ............................................................
636
On Board Diagnosis Logic ....................................
636
DTC Confirmation Procedure ................................
636
Diagnosis Procedure .............................................
637
Component Inspection ..........................................
638
P0075, P0081 IVT CONTROL SOLENOID
VALVE ..............................................................
640
Component Description .........................................
640
On Board Diagnosis Logic ....................................
640
DTC Confirmation Procedure ................................
640
Diagnosis Procedure .............................................
640
Component Inspection ..........................................
641
P0101 MAF SENSOR .......................................
643
Component Description .........................................
643
DTC Logic .............................................................
643
Diagnosis Procedure .............................................
644
Component Inspection ..........................................
645
P0102, P0103 MAF SENSOR ..........................
647
Component Description .........................................
647
On Board Diagnosis Logic ....................................
647
DTC Confirmation Procedure ................................
647
Diagnosis Procedure .............................................
648
Component Inspection ..........................................
649
P0111 IAT SENSOR .........................................
652
DTC Logic .............................................................
652
Component Function Check ..................................
653
Diagnosis Procedure .............................................
653
Component Inspection ..........................................
653
P0112, P0113 IAT SENSOR ............................
654
Component Description .........................................
654
On Board Diagnosis Logic ....................................
654
DTC Confirmation Procedure ................................
654
Diagnosis Procedure .............................................
654
Component Inspection ..........................................
656
P0116 ECT SENSOR .......................................
657
Component Description .........................................
657
DTC Logic .............................................................
657
Component Function Check ..................................
658
Diagnosis Procedure .............................................
659
Component Inspection ..........................................
659
P0117, P0118 ECT SENSOR ...........................
660
Component Description .........................................
660
On Board Diagnosis Logic ....................................
660
DTC Confirmation Procedure ................................
661
Diagnosis Procedure .............................................
661
Component Inspection ..........................................
662
P0122, P0123 TP SENSOR .............................
664
Component Description .........................................
664
On Board Diagnosis Logic ....................................
664
DTC Confirmation Procedure ................................
664
Diagnosis Procedure .............................................
664
Component Inspection ...........................................
667
P0125 ECT SENSOR ......................................
668
Component Description .........................................
668
On Board Diagnosis Logic .....................................
668
DTC Confirmation Procedure ................................
668
Diagnosis Procedure .............................................
669
Component Inspection ...........................................
669
P0127 IAT SENSOR .......................................
671
Component Description .........................................
671
On Board Diagnosis Logic .....................................
671
DTC Confirmation Procedure ................................
671
Diagnosis Procedure .............................................
672
Component Inspection ...........................................
672
P0128 THERMOSTAT FUNCTION .................
674
On Board Diagnosis Logic .....................................
674
DTC Confirmation Procedure ................................
674
Diagnosis Procedure .............................................
674
Component Inspection ...........................................
675
P0130, P0150 A/F SENSOR 1 ........................
676
Component Description .........................................
676
On Board Diagnosis Logic .....................................
676
DTC Confirmation Procedure ................................
676
Overall Function Check .........................................
677
Diagnosis Procedure .............................................
677
P0131, P0151 A/F SENSOR 1 ........................
680
Component Description .........................................
680
On Board Diagnosis Logic .....................................
680
DTC Confirmation Procedure ................................
680
Diagnosis Procedure .............................................
681
P0132, P0152 A/F SENSOR 1 ........................
684
Component Description .........................................
684
On Board Diagnosis Logic .....................................
684
DTC Confirmation Procedure ................................
684
Diagnosis Procedure .............................................
685
P0133, P0153 A/F SENSOR 1 ........................
688
Component Description .........................................
688
On Board Diagnosis Logic .....................................
688
DTC Confirmation Procedure ................................
688
Diagnosis Procedure .............................................
689
P0137, P0157 HO2S2 .....................................
694
Component Description .........................................
694
On Board Diagnosis Logic .....................................
694
DTC Confirmation Procedure ................................
694
Overall Function Check .........................................
695
Diagnosis Procedure .............................................
695
Component Inspection ...........................................
697
P0138, P0158 HO2S2 .....................................
699
Component Description .........................................
699
On Board Diagnosis Logic .....................................
699
DTC Confirmation Procedure ................................
699
Overall Function Check .........................................
700
August 2012
2012 Pathfinder