Infiniti QX4 (R50). Manual — part 182
3)
Check the following with engine speed held at 2,000 rpm con-
stant under no load.
I
The voltage does not remain in the range of 0.2 - 0.4V.
4)
If NG, go to “Diagnostic Procedure”, EC-198.
GI
MA
EM
LC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0130, P0150 HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1)/(BANK 2)
(CIRCUIT)
Overall Function Check (Cont’d)
EC-195
Wiring Diagram
=NBEC0092
RIGHT BANK
NBEC0092S01
MEC947C
DTC P0130, P0150 HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1)/(BANK 2)
(CIRCUIT)
Wiring Diagram
EC-196
LEFT BANK
NBEC0092S02
MEC948C
GI
MA
EM
LC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0130, P0150 HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1)/(BANK 2)
(CIRCUIT)
Wiring Diagram (Cont’d)
EC-197
Diagnostic Procedure
NBEC0093
1
INSPECTION START
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
SEF959Y
3. Make sure HO2S1 (front) harness protector color, and disconnect corresponding heated oxygen sensor 1 (front) har-
ness connector.
SEF505Y
SEF965Y
SEF966Y
©
GO TO 2.
DTC P0130, P0150 HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1)/(BANK 2)
(CIRCUIT)
Diagnostic Procedure
EC-198
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