2003 NISSAN X-TRAIL display

EC-442
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TROUBLE DIAGNOSIS
ACTIVE TEST MODE
Test Item
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, “MONITOR”
in “DATA MONITOR” screen is changed to “Recording Data ...
xx%” as shown at right, and the data after the malfunction detec-
tion is recorded. Then when the percentage reached 100%,
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJEC-
TION
lEngine: Return to the original
trouble condition
lChange the amount of fuel injec-
tion using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
lHarness and connectors
lFuel injectors
lHeated oxygen sensor 1
IGNITION TIM-
ING
lEngine: Return to the original
trouble condition
lTiming light: Set
lRetard the ignition timing using
CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
lPerform “Idle Air Volume Learn-
ing”.
POWER BAL-
ANCE
lEngine: After warming up, idle
the engine.
lA/C switch “OFF”
lShift lever “N”
lCut off each injector signal one at
a time using CONSULT-II.Engine runs rough or dies.
lHarness and connectors
lCompression
lFuel injectors
lPower transistor
lSpark plugs
lIgnition coils
COOLING FAN
lIgnition switch: ON
lTurn the cooling fan “ON” and
“OFF” with CONSULT-II.Cooling fan moves and stops.
lHarness and connectors
lCooling fan relay
lCooling fan motor
ENG COOLANT
TEMP
lEngine: Return to the original
trouble condition
lChange the engine coolant tem-
perature using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
lHarness and connectors
lEngine coolant temperature sen-
sor
lFuel injectors
FUEL PUMP
RELAY
lIgnition switch: ON (Engine
stopped)
lTurn the fuel pump relay “ON”
and “OFF” using CONSULT-II
and listen to operating sound.Fuel pump relay makes the operat-
ing sound.lHarness and connectors
lFuel pump relay
PURG VOL
CONT/V
lEngine: After warming up, run
engine at 1,500 rpm.
lChange the EVAP canister purge
volume control solenoid valve
opening percent using CON-
SULT-II.Engine speed changes according to
the opening percent.lHarness and connectors
lSolenoid valve
V/T ASSIGN
ANGLE
lEngine: Return to the original
trouble condition
lChange intake valve timing using
CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
lHarness and connectors
lIntake valve timing control sole-
noid valve
SEF706XSEF707X

TROUBLE DIAGNOSIS
EC-443
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“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 “TRIG-
GER 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 malfunction 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.
When you are inspecting the circuit by gently shaking (or twisting) the suspicious connectors, components
and harness in the “DTC Confirmation Procedure”, the moment a malfunction is found the DTC/1st trip
DTC will be displayed. (Refer to “Incident Simulation Tests” inGI-24, "
How to Perform Efficient Diagnosis
for an Electrical Incident".)
2. “MANU TRIG”
–If the malfunction is displayed as soon as “DATA MONITOR” is selected, reset CONSULT-II to “MANU
TRIG”. By selecting “MANU TRIG” you can monitor and store the data. The data can be utilized for further
diagnosis, such as a comparison with the value for the normal operating condition.
CONSULT-II Reference Value in Data MonitorEBS00BN4
Remarks:
lSpecification data are reference values.
lSpecification data are output/input values which are detected or supplied by the ECM at the connector.
* Specification data may not be directly related to their components signals/values/operations.
PBIB0197E

TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-449
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionEBS00BFM
The specification (SP) value indicates the tolerance of the value that is displayed in “DATA MONITOR (SPEC)”
mode of CONSULT-II during normal operation of the Engine Control System. When the value in “DATA MONI-
TOR (SPEC)” mode is within the SP value, the Engine Control System is confirmed OK. When the value in
“DATA MONITOR (SPEC)” mode is NOT within the SP value, the Engine Control System may have one or
more malfunctions.
The SP value is used to detect malfunctions that may affect the Engine Control System, but will not light the
MIL.
The SP value will be displayed for the following three items:
lB/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board cor-
rection)
lA/F ALPHA-B1 (The mean value of air-fuel ratio feedback correction factor per cycle)
lMAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Testing ConditionEBS00BFN
lVehicle driven distance: More than 5,000 km (3,017 miles)
lBarometric pressure: 98.3 - 104.3 kPa (0.983 - 1.043 bar, 1.003 - 1.064 kg/cm2, 14.25 - 15.12 psi)
lAtmospheric temperature: 20 - 30°C(68-86°F)
lEngine coolant temperature: 75 - 95°C (167 - 203°F)
lTransmission: Warmed-up*1
lElectrical load: Not applied*2
lEngine speed: Idle
*1: For A/T models with CONSULT-II, after the engine is warmed up to normal operating temperature, drive
vehicle until “FLUID TEMP SE” (A/T fluid temperature sensor signal) indicates more than 60°C (140°F).
For A/T models without CONSUT-II and M/T models, after the engine is warmed up to normal operating tem-
perature, drive vehicle for 5 minutes.
*2: Rear window defogger switch, air conditioner switch, lighting switch are “OFF”. Steering wheel is straight
ahead.
Inspection ProcedureEBS00BFO
NOTE:
Perform “DATA MONITOR (SPEC)” mode in maximum scale display.
1. PerformEC-412, "
Basic Inspection".
2. Confirm that the testing conditions indicated above are met.
3. Select “B/FUEL SCHDL”, “A/F ALPHA-B1” and “MAS A/F SE-
B1” in “DATA MONITOR (SPEC)” mode with CONSULT-II.
4. Make sure that monitor items are within the SP value.
5. If NG, go toEC-450, "
Diagnostic Procedure".
SEF601Z

EC-470
[QR (WITHOUT EURO-OBD)]
DTC P0117, P0118 ECT SENSOR
DTC P0117, P0118 ECT SENSOR
PFP:22630
Component DescriptionEBS00BGA
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the change in temperature. The electrical resistance of the ther-
mistor decreases as temperature increases.

*: These data are reference values and are measured between ECM terminal 93
(Engine coolant temperature sensor) and body ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
On Board Diagnosis LogicEBS00BGB
FAIL -S AFE M OD E
When this malfunction is detected, the ECM enters fail-safe mode and the MI lights up.
SEF594K
Engine coolant
temperature°C(°F)Voltage* V Resistance kW
-10 (14) 4.4 7.0 - 11.4
20 (68) 3.5 2.1 - 2.9
50 (122) 2.2 0.68 - 1.00
90 (194) 0.9 0.236 - 0.260
SEF012P
DTC No.Trouble Diagnosis
NameDTC Detecting Condition Possible Cause
P0117
0117Engine coolant
temperature sen-
sor circuit low inputAn excessively low voltage from the sensor is
sent to ECM.
lHarness or connectors
(The sensor circuit is open or shorted.)
lEngine coolant temperature sensor
P0118
0118Engine coolant
temperature sen-
sor circuit low inputAn excessively low voltage from the sensor is
sent to ECM.
Detected items Engine operating condition in fail-safe mode
Engine coolant temper-
ature sensor circuitEngine coolant temperature will be determined by ECM based on the time after turning ignition switch “ON”
or “START”.
CONSULT-II displays the engine coolant temperature decided by ECM.
ConditionEngine coolant temperature decided
(CONSULT-II display)
Just as ignition switch is turned ON or Start 40°C(104°F)
More than approx. 4 minutes after ignition ON or
Start80°C(176°F)
Except as shown above40 - 80°C (104 - 176°F)
(Depends on the time)
When the fail-safe system for engine coolant temperature sensor is activated, the cooling fan operates
while engine is running.

DTC P0605 ECM
EC-525
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Diagnostic ProcedureEBS00BIG
1.INSPECTION START
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “SELF DIAG RESULTS” mode with CONSULT-II.
3. Touch “ERASE”.
4.Perform “DTC Confirmation Procedure”.
SeeEC-523
.
5. Is the 1st trip DTC P0605 displayed again?
Wi t h ou t C O N S U LT-I I
1. Turn ignition switch “ON”.
2. Erase the "Diagnostic Test Mode II (Self-diagnostic results)" memory. Refer toEC-403, "
How to Erase
DTC ( Without CONSULT-II)".
3.Perform “DTC Confirmation Procedure”.
SeeEC-523
.
4. Is the 1st trip DTC P0605 displayed again?
Ye s o r N o
Yes >>GOTO2.
No >>INSPECTION END
2.REPLACE ECM
1. Replace ECM.
2. Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer toEC-403,
"NATS (Nissan Anti-theft System)".
3. PerformEC-396, "
Accelerator Pedal Released Position Learning".
4. PerformEC-396, "
Throttle Valve Closed Position Learning".
5. PerformEC-396, "
Idle Air Volume Learning".
>>INSPECTION END

EC-532
[QR (WITHOUT EURO-OBD)]
DTC P1065 ECM POWER SUPPLY
Diagnostic Procedure
EBS00B8D
1.CHECK ECM POWER SUPPLY
1. Turn ignition switch "OFF".
2. Disconnect ECM harness connector.
3. Check voltage between ECM terminal 66 and ground with CON-
SULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
lHarness connectors E60, F36
l10A fuse
lHarness for open or short between ECM and battery
>> Repair or replace harness or connectors.
3.CHECK INTERMITTENT INCIDENT
Refer toEC-453, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT".
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness or connectors.
4.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select "SELF DIAG RESULTS" mode with CONSULT-II.
3. Touch "ERASE".
4.Perform “DTC Confirmation Procedure”.
SeeEC-530
.
5. Is the 1st trip DTC P1065 displayed again?
Without CONSULT-II
1. Turn ignition switch “ON”.
2. Erase the "Diagnostic Test Mode II (Self-diagnostic results)" memory. Refer toEC-403, "
How to Erase
DTC ( Without CONSULT-II)".
3.Perform “DTC Confirmation Procedure”.
SeeEC-530
.
4. Is the 1st trip DTC P1065 displayed again?
Ye s o r N o
Yes >>GOTO5.
No >>INSPECTION END Voltage: Battery voltage
PBIB0573E

EC-536
[QR (WITHOUT EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
PFP:16119
DescriptionEBS00BIQ
NOTE:
If DTC P1122 is displayed with DTC P1121, first perform the trouble diagnosis for DTC P1121. Refer to
EC-534
.
Electric Throttle Control Actuator consists of throttle control motor, throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feed-
back to the ECM to control the throttle control motor to make the throttle valve opening angle properly in
response to driving condition.
ECM Terminals and Reference ValueEBS00BIR
Specification data are reference values and are measured between each terminal and body ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS00BIS
FAIL -S AFE M OD E
When the malfunction A is detected, the ECM enters fail-safe mode and the MI lights up.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
11 4 RThrottle control motor
(Open)[Ignition switch "ON"]
lGear position is "D" (A/T model)
lGear position is "1st" (M/T model)
lAccelerator pedal is depressing0 - 14V
11 5 B / YThrottle control motor
ground[Engine is running]
lIdle speedApproximately 0V
11 6 GThrottle control motor
(Close)[Ignition switch "ON"]
lGear position is "D" (A/T model)
lGear position is "1st" (M/T model)
lAccelerator pedal is releasing0 - 14V
PBIB0533E
PBIB0534E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1122
11 2 2Electric throttle control
functionA)Electric throttle control feedback function does
not operate properly.
lHarness or connectors
(Throttle control motor circuit is
open or shorted.)
lElectric throttle control actuator B)An excessively high ampere of current flows
through throttle control motor to ECM.
Detected items Engine operating condition in fail-safe mode
Malfunction AECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5
degrees) by the return spring.

DTC P1212 ESP/TCS/ABS COMMUNICATION LINE
EC-547
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DTC P1212 ESP/TCS/ABS COMMUNICATION LINEPFP:47850
DescriptionEBS00D2A
NOTE:
If DTC P1212 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
EC-460
.
This CAN communication line is used to control the smooth engine operation during ESP/TCS/ABS operation.
Pulse signals are exchanged between ECM and ESP/ABS/TCS control unit.
Be sure to erase the malfunction information such as DTC not only in ESP/TCS/ABS control unit but
also ECM after the ESP/TCS/ABS related repair.
On Board Diagnosis LogicEBS00D2B
Freeze frame data is not stored in the ECM for this self-diagnosis. The MI will not light up for this self-
diagnosis.
DTC Confirmation ProcedureEBS00D2C
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V at idle.
WITH CONSULT-II
1. Turn ignition switch “ON”.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for at least 10 seconds.
4. If a 1st trip DTC is detected, go toEC-547, "
Diagnostic Proce-
dure".
WITHOUT CONSULT-II
1. Start engine and let it idle for at least 10 seconds.
2. Turn ignition switch "OFF", wait at least 10 seconds and then turn "ON".
3. Perform "Diagnostic Test Mode II (Self-diagnostic results)" with ECM.
4. If 1st trip DTC is detected, go toEC-547, "
Diagnostic Procedure".
Diagnostic ProcedureEBS00D90
1.CHECK ESP/TCS/ABS CONTROL UNIT FUNCTION
Refer toBRC-60, "
TROUBLE DIAGNOSIS".
>>INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1212
1212ESP/TCS/ABS commu-
nication lineECM can not receive the information from
ESP/TCS/ABS control unit continuously.
lHarness or connectors
(The CAN communication line between
ECM and ESP/TCS/ABS control unit is
open or shorted.)
lESP/TCS/ABS control unit
lDead (Weak) battery
SEF058Y