2003 NISSAN TEANA Service Manual

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Page 1737 of 3502

NISSAN TEANA 2003 Service Manual POWER SUPPLY AND GROUND CIRCUIT
EC-455
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12. CHECK ECM POWER SUPPLY CIRCUIT-VI
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check

Page 1738 of 3502

NISSAN TEANA 2003 Service Manual EC-456
[VQ]
POWER SUPPLY AND GROUND CIRCUIT

16. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 1, 115, 116 and

Page 1739 of 3502

NISSAN TEANA 2003 Service Manual POWER SUPPLY AND GROUND CIRCUIT
EC-457
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Ground Inspection BBS004YQ
Ground connections are very important to the proper operation of electrical and electronic circuits.

Page 1740 of 3502

NISSAN TEANA 2003 Service Manual EC-458
[VQ]
DTC U1000, U1001 CAN COMMUNICATION LINE

DTC U1000, U1001 CAN COMMUNICATION LINEPFP:23710
DescriptionBBS004YR
CAN (Controller Area Network) is a serial communication line for real time ap

Page 1741 of 3502

NISSAN TEANA 2003 Service Manual DTC U1000, U1001 CAN COMMUNICATION LINE
EC-459
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Wiring DiagramBBS004YU
TBWM0607E

Page 1742 of 3502

NISSAN TEANA 2003 Service Manual EC-460
[VQ]
DTC U1000, U1001 CAN COMMUNICATION LINE

Diagnostic ProcedureBBS004YV
Go to LAN-49, "CAN System Specification Chart" .

Page 1743 of 3502

NISSAN TEANA 2003 Service Manual DTC P0011, P0021 IVT CONTROL
EC-461
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DTC P0011, P0021 IVT CONTROLPFP:23796
DescriptionBBS004YW
SYSTEM DESCRIPTION
*: This signal is sent to the ECM through CAN communic

Page 1744 of 3502

NISSAN TEANA 2003 Service Manual EC-462
[VQ]
DTC P0011, P0021 IVT CONTROL

On Board Diagnosis LogicBBS004YY
The MI will not light up for these diagnoses.
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode

EC-462
[VQ]
DTC P0011, P0021 IVT CONTROL

On Board Diagnosis LogicBBS004YY
The MI will not light up for these diagnoses.
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode.
DTC Confirmation ProcedureBBS004YZ
CAUTION:
Always drive at a safe speed.
NOTE:
If D TC P 00 11 or P0 02 1 i s di spl ay ed w i t h D TC P1111 or P 11 36 , f ir s t pe r f or m t r o ubl e di agn os is f o r
D TC P1111 o r P113 6. R ef e r t o EC-545, "
DTC P1111, P1136 IVT CONTROL SOLENOID VALVE" .
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait
at least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is between 10V and 16V at
idle.
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Start engine and warm it up to the normal operating tempera-
ture.
3. Maintain the following conditions for at least 6 consecutive sec-
onds.
Hold the accelerator pedal as steady as possible.
4. Let engine idle for 10 seconds.
5. If the 1st trip DTC is detected, go to EC-464, "
Diagnostic Procedure" .
If the 1st trip DTC is not detected, go to next step.
6. Maintain the following conditions for at least 20 consecutive seconds.
DTC No.Trouble diagnosis
nameDetecting condition Possible cause
P0011
0011
(Bank 1)
Intake valve timing
control performanceThere is a gap between angle of target and
phase-control angle degree.
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Intake valve control solenoid valve
Accumulation of debris to the signal pick-up
portion of the camshaft
Timing chain installation
Foreign matter caught in the oil groove for
intake valve timing control P0021
0021
(Bank 2)
Detected items Engine operating condition in fail-safe mode
Intake valve timing control The signal is not energized to the solenoid valve and the valve control does not function.
ENG SPEED 1,200 - 2,000 rpm (A constant rotation is maintained.)
COOLANT TEMPS More than 60°C (140°F)
B/FUEL SCHDL More than 3.38 msec
Selector lever P or N position
ENG SPEED 1,700 - 3,175 rpm (A constant rotation is maintained.)
COOLANT TEMPS 70 - 105°C (158 - 221°F)
PBIB0164E

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