2003 NISSAN TEANA Service Manual

Page 1729 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-447
[VQ]
C
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EC
 
20. CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”, AND “B/FUEL SCHDL”
Select “A/F ALPHA-B1”, “A/F ALPHA-B2”,

Page 1730 of 3502

NISSAN TEANA 2003  Service Manual EC-448
[VQ]
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
 
25. CHECK INTAKE SYSTEM
Check for the cause of uneven air flow through mass air flow sensor. Refer to the following.
Crushed air ducts
Malfuncti

Page 1731 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-449
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
30. CHECK “B/FUEL SCHDL”
Select “B/FUEL SCHDL” in “DATA MONITOR (SPEC)” mode, and then make sure that the in

Page 1732 of 3502

NISSAN TEANA 2003  Service Manual EC-450
[VQ]
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT
 
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTPFP:00006
DescriptionBBS004YM
Intermittent incidents may occur. In many cases, the malfunction reso

Page 1733 of 3502

NISSAN TEANA 2003  Service Manual POWER SUPPLY AND GROUND CIRCUIT
EC-451
[VQ]
C
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EC
 
POWER SUPPLY AND GROUND CIRCUITPFP:24110
Wiring DiagramBBS004YO
TBWM1438E

Page 1734 of 3502

NISSAN TEANA 2003  Service Manual EC-452
[VQ]
POWER SUPPLY AND GROUND CIRCUIT
 
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/o

Page 1735 of 3502

NISSAN TEANA 2003  Service Manual POWER SUPPLY AND GROUND CIRCUIT
EC-453
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C
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EC
 
4. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws on the body.
Refer to EC-457,

Page 1736 of 3502

NISSAN TEANA 2003  Service Manual EC-454
[VQ]
POWER SUPPLY AND GROUND CIRCUIT
 
8. CHECK ECM POWER SUPPLY CIRCUIT-III
1. Turn ignition switch ON and then OFF.
2. Check voltage between ECM terminals 119, 120 and ground
with CONSULT-II