NISSAN X-TRAIL 2003 Electronic Repair Manual

DTC VEHICLE SPEED SENSOR MTR
AT-225
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Diagnostic ProcedureECS004SO
1.CHECK INPUT SIGNAL
With CONSULT-II
1. Start engine.
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Read out the value of “VHCL/S SE·MTR” while driving.
Check the value changes according to driving speed.
Wi th ou t C O N S U LT-I I
1. Start engine.
2. Check voltage between TCM terminal 40 and ground while driv-
ingat2to3km/h(1to2MPH)for1m(3ft)ormore.
OK or NG
OK >> GO TO 2
NG >> Check the following items:
lVehicle speed sensor and ground circuit for vehicle
speed sensor
Refer to DI-´´, “METERS AND GAUGES”.
lHarness for short or open between TCM and vehicle
speed sensor (Main harness)
2.CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure,AT-223, "
DIAGNOSTIC TROUBLE CODE
(DTC) CONFIRMATION PROCEDURE".
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
SAT614J
Vo l ta g e
:Voltage varies between less than 1V and
more than 4.5V.
SCIA0717E

AT-226
[EURO-OBD]
DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
PFP:31036
DescriptionECS004SP
The TCM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the A/T.
ON BOARD DIAGNOSIS LOGIC
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting the
next test.
With CONSULT-II
1. Turn ignition switch “ON” and select “DATA MONITOR” mode for
A/T with CONSULT-II.
2. Start engine.
3. Run engine for at least 2 seconds at idle speed.
SAT574J
Diagnostic Trouble Code No. Malfunction is detected when .... Check Item (Possible Cause)
: CONTROL UNIT (RAM),
CONTROL UNIT (ROM)TCM memory (RAM) or (ROM) is malfunc-
tioning.
lTCM
SAT014K
SAT971J

DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
AT-227
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Diagnostic ProcedureECS004SQ
1.INSPECTION START (WITH CONSULT-II)
With CONSULT-II
1. Turn ignition switch “ON” and select “SELF DIAGNOSIS” mode for A/T with CONSULT-II.
2. Touch “ERASE”.
>> GO TO 2
2.CHECK DTC
PERFORM DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE.
See above.
>> GO TO 3
3.CHECK DTC AGAIN
Is the “CONTROL UNIT (RAM) or CONTROL UNIT (ROM)” displayed again?
Ye s o r N o
Ye s > > R e p l a c e T C M .
No >>INSPECTION END

AT-228
[EURO-OBD]
DTC CONTROL UNIT(EEPROM)
DTC CONTROL UNIT(EEPROM)
PFP:31036
DescriptionECS004SR
The TCM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the A/T.
ON BOARD DIAGNOSIS LOGIC
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting the
next test.
With CONSULT-II
1. Turn ignition switch “ON” and select “DATA MONITOR” mode for
A/T with CONSULT-II.
2. Start engine.
3. Run engine for at least 2 seconds at idle speed.
SAT574J
Diagnostic trouble code Malfunction is detected when ... Check item (Possible cause)
:CONTUNIT(EEPROM)TCM memory (EEP ROM) is malfunction-
ing.
lTCM
SAT014K
SAT971J

DTC CONTROL UNIT(EEPROM)
AT-229
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Diagnostic ProcedureECS004SS
1.CHECK DTC
With CONSULT-II
1. Turn ignition switch “ON” and select “SELF DIAGNOSIS” mode for A/T with CONSULT-II.
2. Move selector lever to “R” position.
3. Depress accelerator pedal (Full throttle position).
4. Touch “ERASE”.
5. Turn ignition switch “OFF” position for 10 seconds.
PERFORM DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE.
See previous page.
Is the
“CONT UNIT (EEP ROM)”displayed again?
Ye s > > R e p l a c e T C M .
No >>INSPECTION END

AT-230
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
TROUBLE DIAGNOSES FOR SYMPTOMS
PFP:00100
ECS004ST
TCWA0053E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-231
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
TCWA0054E

AT-232
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On
ECS004SU
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds
whenturningignitionswitchto“ON”.
1.CHECK TCM POWER SOURCE
1. Turn ignition switch to “ON” position.
(Do not start engine.)
2. Check voltage between TCM terminals 10, 19, 28 and ground.
3. Turn ignition switch to “OFF” position.
4. Check voltage between TCM terminal 28 and ground.
OK or NG
OK >> GOTO2
NG >> Check the following items:
lHarness for short or open between ignition switch and
TCM terminals 10, 19 and 28 (Main harness).
lRefer toAT-389, "Wiring Diagram—AT—MAIN".
lIgnition switch and fuse Refer toPG-2, "POWER SUPPLY ROUTING".
2.CHECK TCM GROUND CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check continuity between TCM terminals 25, 48 and ground.
If OK, check harness for short to ground and short to power.
OK or NG
OK >> GOTO3
NG >> Repair open circuit or short to ground or short to power
in harness or connectors. Refer toAT-389, "
Wiring Dia-
gram—AT—MAIN".
SCIA0765E
Voltage : Battery voltage
Voltage : Battery voltage
SCIA0713E
Continuity should exist.
SCIA0766E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-233
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.CHECK LAMP CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Check resistance between TCM terminals 13 and 10, 19.
3. Reinstall any part removed.
OK or NG
OK >> GOTO4
NG >> Check the following items:
lO/D OFF indicator lamp.
Refer toDI-10, "
Meter/Gauge Operation and Odo/Trip
Meter Segment Check in Diagnosis Mode",
“METERS AND GAUGES”.
lHarness and fuse for short or open between ignition
switch and O/D OFF indicator lamp (Main harness)
Refer toPG-2, "
POWER SUPPLY ROUTING".
lHarness for short or open between O/D OFF indicator lamp and TCM.
4.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
2. Engine Cannot Be Started In “P” and “N” PositionECS004SV
SYMPTOM:
lEngine cannot be started with selector lever in “P” or “N” position.
lEngine can be started with selector lever in “D”, “2”, “1” or “R” position.
1.CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit?
Wi th ou t C O N S U LT-I I
Does self-diagnosis show damage to PNP switch circuit?
Ye s o r N o
Yes >> Check PNP switch circuit. Refer to “21. TCM Self-diag-
nosis Does Not Activate (PNP& Overdrive Control
switches, and Throttle Position sensor Circuit Checks)”,
AT-260, "
21. TCM Self-diagnosis Does Not Activate
(PNP & Overdrive Control Switches, and Throttle Posi-
tion Sensor Circuit Checks)".
No >> GOTO2Resistance : 50 - 100W
SCIA0767E
SCIA0706E

AT-234
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK PNP SWITCH INSPECTION
Check for short or open of PNP switch harness connector terminals 1 and 2.
Refer to “21. TCM Self-diagnosis Does Not Activate (PNP& Over-
drive Control switches, and Throttle Position sensor Circuit
Checks)”,AT-260, "
21. TCM Self-diagnosis Does Not Activate (PNP
& Overdrive Control Switches, and Throttle Position Sensor Circuit
Checks)".
OK or NG
OK >> GOTO3
NG >> Repair or replace PNP switch.
3.CHECK STARTING SYSTEM
Check starting system. Refer toSC-21, "
STARTING SYSTEM".
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
3. In “P” Position, Vehicle Moves Forward Or Backward When PushedECS004SW
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
1.CHECK PARKING COMPONENTS
Check parking components. Refer toAT-461, "
OVERHAUL".
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
4. In “N” Position, Vehicle MovesECS004SX
SYMPTOM:
SCIA0768E
SAT282F