2003 NISSAN TEANA Service Manual

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Page 1953 of 3502

NISSAN TEANA 2003 Service Manual ELECTRICAL LOAD SIGNAL
EC-671
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3. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION
Check “HEATER FAN SW” in “DATA MONITOR” mode with CONSULT-II under the follow

Page 1954 of 3502

NISSAN TEANA 2003 Service Manual EC-672
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ELECTRONIC CONTROLLED ENGINE MOUNT

ELECTRONIC CONTROLLED ENGINE MOUNTPFP:11270
System DescriptionBBS0056V
*: This signal is sent to the ECM through CAN communication line.
The ECM contro

Page 1955 of 3502

NISSAN TEANA 2003 Service Manual ELECTRONIC CONTROLLED ENGINE MOUNT
EC-673
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Wiring DiagramBBS0056X
TBWM1470E

Page 1956 of 3502

NISSAN TEANA 2003 Service Manual EC-674
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ELECTRONIC CONTROLLED ENGINE MOUNT

Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring inpu

Page 1957 of 3502

NISSAN TEANA 2003 Service Manual ELECTRONIC CONTROLLED ENGINE MOUNT
EC-675
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4. CHECK ELECTRONIC CONTROLLED ENGINE MOUNT POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front and rear el

Page 1958 of 3502

NISSAN TEANA 2003 Service Manual EC-676
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ELECTRONIC CONTROLLED ENGINE MOUNT

7. CHECK ELECTRONIC CONTROLLED ENGINE MOUNT
Visually check front and rear electronic controlled engine mount.
OK or NG
OK >> GO TO 8.
NG >> Replace fro

Page 1959 of 3502

NISSAN TEANA 2003 Service Manual EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-677
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EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVEPFP:14920
DescriptionBBS0056B
SYSTEM DESCRIPTION
*1: ECM dete

EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
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EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVEPFP:14920
DescriptionBBS0056B
SYSTEM DESCRIPTION
*1: ECM determines the start signal status by the signals of engine speed and battery voltage.
*2: This signal is sent to the ECM through CAN communication line.
This system controls flow rate of fuel vapor from the EVAP canister. The opening of the vapor by-pass pas-
sage in the EVAP canister purge volume control solenoid valve changes to control the flow rate. The EVAP
canister purge volume control solenoid valve repeats ON/OFF operation according to the signal sent from the
ECM. The opening of the valve varies for optimum engine control. The optimum value stored in the ECM is
determined by considering various engine conditions. When the engine is operating, the flow rate of fuel vapor
from the EVAP canister is regulated as the air flow changes.
COMPONENT DESCRIPTION
The EVAP canister purge volume control solenoid valve uses a ON/
OFF duty to control the flow rate of fuel vapor from the EVAP canis-
ter. The EVAP canister purge volume control solenoid valve is
moved by ON/OFF pulses from the ECM. The longer the ON pulse,
the greater the amount of fuel vapor that will flow through the valve.
CONSULT-II Reference Value in Data Monitor ModeBBS0056C
Specification data are reference values.
Sensor Input Signal to ECM ECM function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)Engine speed*
1
EVAP canister
purge flow controlEVAP canister purge vol-
ume control solenoid valve Mass air flow sensor Amount of intake air
Engine coolant temperature sensor Engine coolant temperature
Battery
Battery voltage*1
Throttle position sensor Throttle position
Accelerator pedal position sensor Accelerator pedal position
Heated oxygen sensor 1Density of oxygen in exhaust gas
(Mixture ratio feedback signal)
Wheel sensor
Vehicle speed*
2
SEF337U
MONITOR ITEM CONDITION SPECIFICATION
PURG VOL C/V
Engine: After warming up
Shift lever: P or N
Air conditioner switch: OFF
No loadIdle 0%
2,000 rpm —

Page 1960 of 3502

NISSAN TEANA 2003 Service Manual EC-678
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EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

Wiring DiagramBBS0056D
TBWM1540E

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