2003 NISSAN X-TRAIL Service Repair Manual

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Page 2401 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual OVERRUN CLUTCH SOLENOID VALVE
AT-365
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TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL
Diagnostic ProcedureECS004U2
1. CHECK INPUT SIGNAL
With CONSULT-II

Page 2402 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-366
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OVERRUN CLUTCH SOLENOID VALVE

2. CHECK OVERRUN CLUTCH SOLENOID VALVE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check resistance between TCM connector terminal

Page 2403 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual OVERRUN CLUTCH SOLENOID VALVE
AT-367
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6. CHECK TCM
1. Check TCM input/output signal. Refer to AT- 9 4 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM p

Page 2404 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-368
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TORQUE CONVERTER CLUTCH SOLENOID VALVE

TORQUE CONVERTER CLUTCH SOLENOID VALVEPFP:31940
DescriptionECS004U4
The torque converter clutch solenoid valve is activated, with the gear
in “D

AT-368
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TORQUE CONVERTER CLUTCH SOLENOID VALVE

TORQUE CONVERTER CLUTCH SOLENOID VALVEPFP:31940
DescriptionECS004U4
The torque converter clutch solenoid valve is activated, with the gear
in “D
4 ”, by the TCM in response to signals sent from the vehicle
speed and throttle position sensors. Lock-up piston operation will
then be controlled.
Lock-up operation, however, is prohibited when A/T fluid tempera-
ture is too low.
When the accelerator pedal is depressed (less than 2/8) in lock-up
condition, the engine speed should not change abruptly. If there is a
big jump in engine speed, there is no lock-up.
CONSULT-II Reference ValueECS00CSV
Remarks: Specification data are reference values.
On Board Diagnosis LogicECS00CSW
Possible CauseECS00CW8
Check the following items.
Torque converter clutch solenoid valve.
Harness or connector.
(The solenoid circuit is open or shorted.)
DTC Confirmation ProcedureECS00CSX
CAUTION:
Always drive vehicle at a safe speed.
If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait
at least 10 seconds before continuing.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “A/T” with CONSULT-II and
wait at least 1 second.
3. Start engine and maintain the following condition for at least 5
consecutive seconds.
VHCL SPEED SE: 80 km/h (50 MPH) or more
THROTTLE POSI: 0.5/8 - 1.0/8
SLCT LVR POSI: D position
Driving location: Driving the vehicle uphill (increased
engine load) will help maintain the driving conditions
required for this test.
4. If the check result is NG, go to AT- 3 7 1 , "
Diagnostic Procedure" .
SCIA0718E
Monitor item Condition Specification
Torque converter clutch solenoid valve
dutyLock-up OFF
↓
Lock-up ONApproximately 4%
↓
Approximately 94%
Diagnostic trouble code Malfunction is detected when... Check items (Possible cause)
: T/C CLUTCH SOL/V
TCM detects an improper voltage drop
when it tries to operate the solenoid valve.
Harness or connectors
(The solenoid circuit is open or shorted.)
T/C clutch solenoid valve
: 7th judgement flicker
SAT014K

Page 2405 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TORQUE CONVERTER CLUTCH SOLENOID VALVE
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WITHOUT CONSULT-II
1. Start engine.
2. Drive vehicle in D
1 → D2 → D3 → D4 → D4 lock-up position.
3. Perfo

Page 2406 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-370
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TORQUE CONVERTER CLUTCH SOLENOID VALVE

Wiring Diagram — AT — TCVECS004U5
TCWA0043E

Page 2407 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TORQUE CONVERTER CLUTCH SOLENOID VALVE
AT-371
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TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL
Diagnostic ProcedureECS004U6
1. CHECK INPUT SIGNAL
With C

Page 2408 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual AT-372
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TORQUE CONVERTER CLUTCH SOLENOID VALVE

2. CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check resistance between TCM

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