2003 NISSAN TEANA Service Manual

dead battery open trunk center console radio controls relay fuel consumption fuel additives

Page 1713 of 3502

NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-431
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NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.SET VHCL SPD
[km/h] or [mph

TROUBLE DIAGNOSIS
EC-431
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NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.SET VHCL SPD
[km/h] or [mph]
The preset vehicle speed is displayed.
MAIN SW
[ON/OFF]
Indicates [ON/OFF] condition from MAIN
switch signal.
CANCEL SW
[ON/OFF]
Indicates [ON/OFF] condition from CAN-
CEL switch signal.
RESUME/ACC SW
[ON/OFF]
Indicates [ON/OFF] condition from
RESUME/ACCELERATE switch signal.
SET SW
[ON/OFF]
Indicates [ON/OFF] condition from SET/
COAST switch signal.
BRAKE SW1
[ON/OFF]
Indicates [ON/OFF] condition from ASCD
brake switch signal.
BRAKE SW2
[ON/OFF]
Indicates [ON/OFF] condition of stop lamp
switch signal.
VHCL SPD CUT
[NON/CUT]
Indicates the vehicle cruise condition.
NON: Vehicle speed is maintained at the
ASCD set speed.
CUT: Vehicle speed increased to exces-
sively high compared with the ASCD set
speed, and ASCD operation is cut off.
LO SPEED CUT
[NON/CUT]
Indicates the vehicle cruise condition.
NON: Vehicle speed is maintained at the
ASCD set speed.
CUT: Vehicle speed decreased to exces-
sively low compared with the ASCD set
speed, and ASCD operation is cut off.
AT O D M O N I T O R
[ON/OFF]
Indicates [ON/OFF] condition of A/T O/D
according to the input signal from the TCM.
AT OD CANCEL
[ON/OFF]
Indicates [ON/OFF] condition of A/T O/D
cancel signal sent from the TCM.
CRUISE LAMP
[ON/OFF]
Indicates [ON/OFF] condition of CRUISE
lamp determined by the ECM according to
the input signals.
SET LAMP
[ON/OFF]
Indicates [ON/OFF] condition of SET lamp
determined by the ECM according to the
input signals.
Voltage [V]
Voltage, frequency, duty cycle or pulse
width measured by the probe.
Only # is displayed if item is unable
to be measured.
Figures with #s are temporary ones.
They are the same figures as an
actual piece of data which was just
previously measured. Frequency [msec],
[Hz] or [%]
DUTY-HI
DUTY-LOW
PLS WIDTH-HI
PLS WIDTH-LOWMonitored item
[Unit]ECM
INPUT
SIGNALSMAIN
SIGNALSDescription Remarks

Page 1714 of 3502

NISSAN TEANA 2003 Service Manual EC-432
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TROUBLE DIAGNOSIS

DATA MONITOR (SPEC) MODE
Monitored Item
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST

EC-432
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TROUBLE DIAGNOSIS

DATA MONITOR (SPEC) MODE
Monitored Item
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST MODE
Test Item
Monitored item [Unit]ECM
INPUT
SIG-
NALSMAIN
SIG-
NALSDescription Remarks
ENG SPEED [rpm]××
Indicates the engine speed computed
from the signal of the crankshaft position
sensor (POS) and camshaft position
sensor (PHASE).
MAS A/F SE-B1 [V]××
The signal voltage of the mass air flow
sensor specification is displayed.When engine is running specification
range is indicated.
B/FUEL SCHDL
[msec]×
Base fuel schedule indicates the fuel
injection pulse width programmed into
ECM, prior to any learned on board cor-
rection.
When engine is running specification
range is indicated.
A/F ALPHA-B1 [%]
A/F ALPHA-B2 [%]×
The mean value of the air-fuel ratio feed-
back correction factor per cycle is indi-
cated.When engine is running specification
range is indicated.
This data also includes the data for the
air-fuel ratio learning control.
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJEC-
TION
Engine: Return to the original
trouble condition
Change the amount of fuel injec-
tion using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Fuel injector
Heated oxygen sensor 1
IGNITION TIM-
ING
Engine: Return to the original
trouble condition
Timing light: Set
Retard the ignition timing using
CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Perform Idle Air Volume Learning.
POWER BAL-
ANCE
Engine: After warming up, idle
the engine.
A/C switch: OFF
Shift lever: P or N
Cut off each fuel injector signal
one at a time using CONSULT-II.Engine runs rough or dies.
Harness and connectors
Compression
Fuel injector
Power transistor
Spark plug
Ignition coil
COOLING FAN*
Ignition switch: ON
Turn the cooling fan “HI”, “MID”,
“LOW” and “OFF” using CON-
SULT-II.Cooling fan moves and stops.Harness and connectors
Cooling fan motor
IPDM E/R
ENG COOLANT
TEMP
Engine: Return to the original
trouble condition
Change the engine coolant tem-
perature using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Engine coolant temperature sen-
sor
Fuel injector
FUEL PUMP
RELAY
Ignition switch: ON (Engine
stopped)
Turn the fuel pump relay “ON”
and “OFF” using CONSULT-II
and listen to operating sound.Fuel pump relay makes the operat-
ing sound.Harness and connectors
Fuel pump relay

Page 1715 of 3502

NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-433
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*: Leaving cooling fan OFF with CONSULT-II while engine is running may cause the engine to overheat.
REAL TIME DIAGNOSIS IN DATA MONITOR MODE

TROUBLE DIAGNOSIS
EC-433
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*: Leaving cooling fan OFF with CONSULT-II while engine is running may cause the engine to overheat.
REAL TIME DIAGNOSIS IN DATA MONITOR MODE (RECORDING VEHICLE DATA)
Description
CONSULT-II has two kinds of triggers and they can be selected by touching “SETTING” in “DATA MONITOR”
mode.
1. “AUTO TRIG” (Automatic trigger):
The malfunction will be identified on the CONSULT-II screen
in real time.
In other words, DTC/1st trip DTC and malfunction item will be
displayed if the malfunction is detected by ECM.
At the moment a malfunction is detected by ECM, “MONI-
TOR” in “DATA MONITOR” screen is changed to “Recording
Data ... xx%” as shown in the figure, and the data after the
malfunction detection is recorded. Then when the percentage
reached 100%, “REAL-TIME DIAG” screen is displayed. If
“STOP” is touched on the screen during “Recording Data ...
xx%”, “REAL-TIME DIAG” screen is also displayed.
The recording time after the malfunction detection and the
recording speed can be changed by “TRIGGER POINT” and
“Recording Speed”. Refer to CONSULT-II Operation Manual.
2. “MANU TRIG” (Manual trigger):
DTC/1st trip DTC and malfunction item will not be displayed
automatically on CONSULT-II screen even though a malfunc-
tion is detected by ECM.
DATA MONITOR can be performed continuously even though
a malfunction is detected.
Operation
1. “AUTO TRIG”
While trying to detect the DTC/1st trip DTC by performing the DTC Confirmation Procedure, be sure to
select to “DATA MONITOR (AUTO TRIG)” mode. You can confirm the malfunction at the moment it is
detected.
While narrowing down the possible causes, CONSULT-II should be set in “DATA MONITOR (AUTO
TRIG)” mode, especially in case the incident is intermittent.
VIAS SOL VALVE
Ignition switch: ON
Turn solenoid valve “ON” and
“OFF” using CONSULT-II and lis-
ten to operating sound.Solenoid valve makes the operating
sound.Harness and connectors
Solenoid valve
ENGINE
MOUNTING
Ignition switch: ON
Turn electronic controlled engine
mount “IDLE” and “TRVL” with
the CONSULT-II.Electronic controlled engine mount
makes the operating sound.Harness and connectors
Electronic controlled engine
mount
PURG VOL
CONT/V
Engine: After warming up, run
engine at 1,500 rpm.
Change the EVAP canister purge
volume control solenoid valve
opening percent using CON-
SULT-II.Engine speed changes according to
the opening percent.Harness and connectors
Solenoid valve
V/T ASSIGN
ANGLE
Engine: Return to the original
trouble condition
Change intake valve timing using
CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Intake valve timing control sole-
noid valve TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
PBIB1593E
SEF707X

Page 1716 of 3502

NISSAN TEANA 2003 Service Manual EC-434
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TROUBLE DIAGNOSIS

When you are inspecting the circuit by gently shaking (or twisting) the suspicious connectors, compo-
nents and harness in the DTC Confirmation Procedure, the moment a

Page 1717 of 3502

NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-435
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HO2S2 (B1)
HO2S2 (B2)
Revving engine from idle to 3,000 rpm quickly after the following condi-
tions are met
–Engine: After warming up
–K

TROUBLE DIAGNOSIS
EC-435
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HO2S2 (B1)
HO2S2 (B2)
Revving engine from idle to 3,000 rpm quickly after the following condi-
tions are met
–Engine: After warming up
–Keeping engine speed between 3,500 and 4,000 rpm for 1 minute and at
idle for 1 minute under no load0 - 0.3V ←→ Approx. 0.6 - 1.0V
HO2S1 MNTR (B1)
HO2S1 MNTR (B2)
Engine: After warming up Maintaining engine speed at 2,000 rpmLEAN ←→ RICH
Changes more than 5 times dur-
ing 10 seconds
HO2S2 MNTR (B1)
HO2S2 MNTR (B2)
Revving engine from idle to 3,000 rpm quickly after the following condi-
tions are met
–Engine: After warming up
–Keeping engine speed between 3,500 and 4,000 rpm for 1 minute and at
idle for 1 minute under no load.LEAN ←→ RICH
VEH SPEED SE
Turn drive wheels and compare CONSULT-II value with the speedometer
indication.Almost the same speed as the
speedometer indication
BATTERY VOLT
Ignition switch: ON (Engine stopped) 11 - 14V
ACCEL SEN 1
Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released 0.65 - 0.87V
Accelerator pedal: Fully depressed More than 4.3V
ACCEL SEN 2*
Ignition switch ON
(Engine stopped)Accelerator pedal: Fully released 0.56 - 0.96V
Accelerator pedal: Fully depressed More than 4.0V
THRTL SEN 1
THRTL SEN 2*
Ignition switch: ON
(Engine stopped)
Shift lever: DAccelerator pedal: Fully released More than 0.36V
Accelerator pedal: Fully depressed Less than 4.75V
START SIGNAL
Ignition switch: ON → START → ON OFF → ON → OFF
CLSD THL POS
Ignition switch: ON
(Engine stopped)Accelerator pedal: Fully released ON
Accelerator pedal: Slightly depressed OFF
AIR COND SIG
Engine: After warming up,
idle the engineAir conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.)ON
P/N POSI SW
Ignition switch: ONShift lever: P or N ON
Shift lever: Except above OFF
PW/ST SIGNAL
Engine: After warming up,
idle the engineSteering wheel: Not being turned OFF
Steering wheel: Being turned ON
LOAD SIGNAL
Ignition switch: ONRear window defogger switch is ON and/
or lighting switch is in 2nd.ON
Rear window defogger switch is OFF and
lighting switch is OFF.OFF
IGNITION SW
Ignition switch: ON → OFF → ON ON → OFF → ON
HEATER FAN SW
Engine: After warming up,
idle the engineHeater fan: Operating. ON
Heater fan: Not operating OFF
BRAKE SW
Ignition switch: ONBrake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
INJ PULSE-B1
INJ PULSE-B2
Engine: After warming up
Shift lever: P or N
Air conditioner switch: OFF
No loadIdle 2.0 - 3.0 msec
2,000 rpm 1.9 - 2.9 msec MONITOR ITEM CONDITION SPECIFICATION

Page 1718 of 3502

NISSAN TEANA 2003 Service Manual EC-436
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TROUBLE DIAGNOSIS

IGN TIMING
Engine: After warming up
Shift lever: P or N
Air conditioner switch: OFF
No loadIdle 13° - 18° BTDC
2,000 rpm 25° - 45° BTDC
PURG VOL C/V
Engine: Af

EC-436
[VQ]
TROUBLE DIAGNOSIS

IGN TIMING
Engine: After warming up
Shift lever: P or N
Air conditioner switch: OFF
No loadIdle 13° - 18° BTDC
2,000 rpm 25° - 45° BTDC
PURG VOL C/V
Engine: After warming up
Shift lever: P or N
Air conditioner switch: OFF
No loadIdle 0%
2,000 rpm —
INT/V TIM (B1)
INT/V TIM (B2)
Engine: After warming up
Shift lever: P or N
Air conditioner switch: OFF
No loadIdle−5° - 5°CA
2,000 rpm Approx. 0° - 30°CA
INT/V SOL (B1)
INT/V SOL (B2)
Engine: After warming up
Shift lever: P or N
Air conditioner switch: OFF
No loadIdle 0% - 2%
2,000 rpm Approx. 0% - 50%
VIAS S/V
Engine: After warming up1,800 - 3,600 rpm (VQ35DE engine)
1,800 - 3,750 rpm (VQ23DE engine)ON
Except above conditions OFF
AIR COND RLY
Engine: After warming up,
idle the engineAir conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates)ON
ENGINE MOUNT
Engine: After warming upIdle (with vehicle stopped) IDLE
Except above conditions TRVL
FUEL PUMP RLY
For 1 second after turning ignition switch ON
Engine running or crankingON
Except above conditions OFF
THRTL RELAY
Ignition switch: ON ON
COOLING FAN
Engine: After warming up,
idle the engine
Air conditioner switch: OFFEngine coolant temperature: 97°C
(207°F) or lessOFF
Engine coolant temperature: Between
98°C (208°F) and 99°C (210°F)LOW
Engine coolant temperature: 100°C
(212°F) or moreHIGH
Engine: After warming up,
idle the engine
Air conditioner switch: ON
Refrigerant pressure is less
than 1,280 kPa (12.80 bar,
13.05kg/cm
2 , 185.6 psi)Engine coolant temperature: 97°C
(207°F) or lessLOW
Engine coolant temperature: Between
98°C (208°F) and 99°C (210°F)MID
Engine coolant temperature: 100°C
(212°F) or moreHIGH
HO2S1 HTR (B1)
HO2S1 HTR (B2)
Engine: After warming up
Engine speed: Below 3,600 rpmON
Engine speed: Above 3,600 rpm OFF
HO2S2 HTR (B1)
HO2S2 HTR (B2)
Engine speed: Below 3,600 rpm after the following conditions are met.
–Engine: After warming up
–Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute
and at idle for 1 minute under no loadON
Engine speed: Above 3,600 rpm OFF MONITOR ITEM CONDITION SPECIFICATION

Page 1719 of 3502

NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS
EC-437
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*: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they differ from
EC

Page 1720 of 3502

NISSAN TEANA 2003 Service Manual EC-438
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TROUBLE DIAGNOSIS

Major Sensor Reference Graph in Data Monitor ModeBBS004YH
The following are the major sensor reference graphs in “DATA MONITOR” mode.
CLSD THL POS, ACCEL SEN 1, THR

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