2003 NISSAN X-TRAIL Electronic Repair Manual

Page 1241 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual DTC P0037, P0038 HO2S2 HEATER
EC-127
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Wiring DiagramEBS00B2I
TBWA0062E

Page 1242 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-128
[QR (WITH EURO-OBD)]
DTC P0037, P0038 HO2S2 HEATER
Diagnostic Procedure
EBS00B2J
1.CHECK HO2S2 POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect heated oxygen sensor 2 harne

Page 1243 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual DTC P0037, P0038 HO2S2 HEATER
EC-129
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
4.CHECK HEATED OXYGEN SENSOR 2 HEATER
Refer toEC-129, "
Component Inspection".
OK or NG
OK >> GO TO 5.
NG >> Replace

Page 1244 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-130
[QR (WITH EURO-OBD)]
DTC P0102, P0103 MAF SENSOR
DTC P0102, P0103 MAF SENSOR
PFP:22680
Component DescriptionEBS00B2M
The mass air flow sensor is placed in the stream of intake air. It mea-
sure

Page 1245 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual DTC P0102, P0103 MAF SENSOR
EC-131
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
On Board Diagnosis LogicEBS00B2P
FAI L-S AFE MO DE
When the malfunction is detected, the ECM enters fail-safe mode and

Page 1246 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-132
[QR (WITH EURO-OBD)]
DTC P0102, P0103 MAF SENSOR
Wiring Diagram
EBS00B2R
TBWA0055E

Page 1247 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual DTC P0102, P0103 MAF SENSOR
EC-133
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Diagnostic ProcedureEBS00B2S
1.INSPECTION START
Which malfunction (P0102 or P0103) is duplicated?
P0102 or P0103
P0102

Page 1248 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-134
[QR (WITH EURO-OBD)]
DTC P0102, P0103 MAF SENSOR
4.CHECK MAF SENSOR POWER SUPPLY CIRCUIT
1. Disconnect MAF sensor harness connector.
2. Turn ignition switch “ON”.
3. Check voltage between M