NISSAN X-TRAIL 2001 Service Repair Manual

DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
AT-203
[EURO-OBD]
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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.
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.
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.
●TCM
SAT014K
SAT971J

AT-204
[EURO-OBD]
DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
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

DTC CONTROL UNIT(EEPROM)
AT-205
[EURO-OBD]
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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)
: CONT UNIT (EEP ROM)TCM memory (EEP ROM) is malfunction-
ing.
●TCM
SAT014K
SAT971J

AT-206
[EURO-OBD]
DTC CONTROL UNIT(EEPROM)
Diagnostic Procedure
ECS004SS
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

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-207
[EURO-OBD]
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TROUBLE DIAGNOSES FOR SYMPTOMSPFP:00100
Wiring Diagram — AT — NONDTCECS004ST
TCWA0053E

AT-208
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
TCWA0054E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-209
[EURO-OBD]
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O/D OFF Indicator Lamp Does Not Come OnECS004SU
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds
when turning ignition switch to “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 >> GO TO 2.
NG >> Check the following items:
●Harness for short or open between ignition switch and
TCM terminals 10, 19 and 28
●Refer to AT- 3 5 0 , "Wiring Diagram — AT — MAIN" .
●Ignition switch and fuse Refer to PG-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 >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors. Refer to AT- 3 5 0 , "
Wiring Dia-
gram — AT — MAIN" .
SCIA0765E
Voltage: Battery voltage
Voltage: Battery voltage
SCIA0713E
Continuity should exist.
SCIA0766E

AT-210
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
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 >> GO TO 4.
NG >> Check the following items:
●O/D OFF indicator lamp.
Refer to DI-10, "
Meter/Gauge Operation and Odo/Trip
Meter Segment Check in Diagnosis Mode" .
●Harness and fuse for short or open between ignition
switch and O/D OFF indicator lamp
Refer to PG-2, "
POWER SUPPLY ROUTING" .
●Harness 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. Resistance: 50 - 100Ω
SCIA0767E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-211
[EURO-OBD]
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Engine Cannot Be Started In “P” and “N” PositionECS004SV
SYMPTOM:
●Engine cannot be started with selector lever in “P” or “N” position.
●Engine 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?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
Ye s o r N o
Yes >> Check PNP switch circuit. Refer to AT- 2 4 1 , "TCM Self-
diagnosis Does Not Activate" .
No >> GO TO 2.
2.CHECK PNP SWITCH INSPECTION
Check for short or open of PNP switch harness connector terminals 1 and 2.
Refer to AT-241, "
TCM Self-diagnosis Does Not Activate" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace PNP switch.
3.CHECK CONTROL CABLE
Check control cable. Refer to AT-416, "
Control Cable Adjustment" .
OK or NG
OK >> GO TO 4.
NG >> Adjust control cable. Refer to AT- 4 1 6 , "
Control Cable
Adjustment" .
4.CHECK STARTING SYSTEM
Check starting system. Refer to SC-20, "
STARTING SYSTEM" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
SCIA0706E
SCIA0768E
SAT023JB

AT-212
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
In “P” Position, Vehicle Moves Forward Or Backward When Pushed
ECS004SW
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
1. CHECK CONTROL CABLE
Check control cable. Refer to AT- 4 1 6 , "
Control Cable Adjustment" .
OK or NG
OK >> GO TO 2.
NG >> Adjust control cable. Refer to AT- 4 1 6 , "
Control Cable
Adjustment" .
2. CHECK PARKING COMPONENTS
Check parking components. Refer to AT-421, "
OVERHAUL" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
SAT023JB
SAT282F