2003 NISSAN X-TRAIL Service Repair Manual

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Page 2273 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-237
[EURO-OBD]
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TCM Self-diagnosis Does Not ActivateECS004TE
SYMPTOM:
O/D OFF indicator lamp does not come on in TCM self-diagnostic proced

Page 2274 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-238
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS

DIAGNOSTIC PROCEDURE
1. CHECK PNP SWITCH CIRCUIT (WITH CONSULT-II)
With CONSULT-II
1. Turn ignition switch to ON. (Do not start engine.)
2. Select �

Page 2275 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-239
[EURO-OBD]
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3. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch to ON. (Do not start engine.)
2. Select �

Page 2276 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-240
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS

5. CHECK CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION SIGNAL CIRCUIT
(WITHOUT CONSULT-II)
Without CONSULT-II
Check the following items:

Page 2277 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-241
[EURO-OBD]
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PNP Switch
1. Check continuity between terminals 1 and 2, and between termi-
nals 3 and 4, 5, 6, 7, 8, 9 while moving manua

Page 2278 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-242
[EXC.F/EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[EXC.F/EURO-OBD]ON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONPFP:00000
CONSULT-IIECS004NW
After performing AT- 2 4 2 , "SELF-DIAGNOSTIC PROCE

AT-242
[EXC.F/EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[EXC.F/EURO-OBD]ON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONPFP:00000
CONSULT-IIECS004NW
After performing AT- 2 4 2 , "SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" , place check marks for
results on the AT- 2 5 2 , "
DIAGNOSTIC WORKSHEET" . Reference pages are provided following the items.
NOTICE:
1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each sole-
noid).
Check for time difference between actual shift timing and the CONSULT-II display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Man-
ual may differ slightly. This occurs because of the following reasons:
–Actual shift schedule has more or less tolerance or allowance,
–Shift schedule indicated in Service Manual refers to the point where shifts start, and
–Gear position displayed on CONSULT-II indicates the point where shifts are completed.
3. Shift solenoid valve “A” or “B” is displayed on CONSULT-II at the start of shifting. Gear position is dis-
played upon completion of shifting (which is computed by TCM).
4. Additional CONSULT-II information can be found in the Operation Manual supplied with the CONSULT-II
unit.
FUNCTION
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)
1. Turn on CONSULT-II and touch “A/T” for TCM self-diagnosis.
If A/T is not displayed, check TCM power supply and ground cir-
cuit. Refer to AT- 2 8 6 , "
TCM Terminals and Reference Value" . If
result is NG, refer to PG-2, "
POWER SUPPLY ROUTING" .
Diagnostic test mode Function Reference page
Work supportThis mode enables a technician to adjust some devices faster and more accurately by
following the indications on CONSULT-II.—
Self-diagnostic results Self-diagnostic results can be read and erased quickly.AT- 2 4 2
Data monitor Input/Output data in the ECM can be read.AT- 2 4 4
CAN diagnostic support
monitorThe results of transmit/receive diagnosis of CAN communication can be read. —
Function testConducted by CONSULT-II instead of a technician to determine whether each system
is “OK” or “NG”.—
DTC work support Select the operating condition to confirm Diagnosis Trouble Codes.AT- 4 7
TCM part number TCM part number can be read. —
SAT014K

Page 2279 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-243
[EXC.F/EURO-OBD]
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2. Touch “SELF-DIAG RESULTS”.
Display shows malfunction experienced since the last erasing
operation.
CON

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-243
[EXC.F/EURO-OBD]
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2. Touch “SELF-DIAG RESULTS”.
Display shows malfunction experienced since the last erasing
operation.
CONSULT-II performs “REAL TIME DIAG”.
Also, any malfunction detected while in this mode will be dis-
played at real time.
SELF-DIAGNOSTIC RESULT TEST MODE
CAUTION:
If malfunction is detected in multiple systems including CAN communication line, CAN communication line trouble diagnosis
shall be performed first.
SAT987J
Items (CONSULT-II screen terms) Malfunction is detected when... Remarks
No failure
(NO SELF DIAGNOSTIC FAIL-
URE INDICATED FURTHER
TESTING MAY BE REQUIRED)
No failure has been detected.
INITIAL START
This is not a malfunction message (Whenever shutting off a power
supply to the TCM, this message appears on the screen.)
VHCL SPEED SEN·A/T
TCM does not receive the proper voltage signal from the sensor.
VHCL SPEED SEN·MTR
TCM does not receive the proper voltage signal from the sensor.
THROTTLE POSI SEN
TCM receives an excessively low or high voltage from the sensor.
SHIFT SOLENOID/V A
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.
SHIFT SOLENOID/V B
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.
OVERRUN CLUTCH S/V
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.
T/C CLUTCH SOL/V
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.
BATT/FLUID TEMP SEN
TCM receives an excessively low or high voltage from the sensor.To be displayed in case
of abnormality and when
no recording is made.
ENGINE SPEED SIG
TCM does not receive the proper voltage signal from the ECM.
LINE PRESSURE S/V
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.
CAN COMM CIRCUIT
When malfunction is detected in CAN communication line.
CONTROL UNIT (RAM)
TCM memory (RAM) is malfunctioning Refer to AT-286
CONTROL UNIT (ROM)
TCM memory (ROM) is malfunctioning Refer to AT-286
CONT UNIT (EEP ROM)
TCM memory (EEP ROM) is malfunctioning. Refer to AT-286

Page 2280 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-244
[EXC.F/EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

DATA MONITOR MODE (A/T)
X: Standard, —: Not applicable, : Option
Monitor item (Unit)SELECT MONITOR ITEM
Remarks
TCM INPUT
SIGNALSM

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