2001 NISSAN X-TRAIL turn signal

SHIFT SOLENOID VALVE A
AT-367
[ALL]
D
E
F
G
H
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J
K
L
MA
B
AT
SHIFT SOLENOID VALVE APFP:31940
DescriptionECS004TS
Shift solenoid valves A and B are turned “ON” or “OFF” by the TCM
in response to signals sent from the PNP switch, vehicle speed and
throttle position sensors. Gears will then be shifted to the optimum
position.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
ON BOARD DIAGNOSIS LOGIC
SELF-DIAGNOSIS CODE CONFIRMATION PROCEDURE
After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
1. Start engine.
2. Select “SELF-DIAG RESULTS” mode for A/T with CONSULT-II.
3. Drive vehicle in D
1→ D2 position.
SCIA0718E
Gear position 1 2 3 4
Shift solenoid valve A ON (Closed) OFF (Open) OFF (Open) ON (Closed)
Shift solenoid valve B ON (Closed) ON (Closed) OFF (Open) OFF (Open)
Te r m i -
nal No.Wire color Item ConditionJudgement stan-
dard
(Approx.)
11 L / WShift solenoid
valve AWhen shift solenoid valve A oper-
ates.
(When driving in “D
1 ” or “D4 ”.)Battery voltage
When shift solenoid valve A does not
operate.
(When driving in “D
2 ” or “D3 ”.)0V
Diagnostic trouble code Malfunction is detected when... Check items (Possible cause)
: SHIFT SOLENOID/VA
TCM detects an improper voltage drop
when it tries to operate the solenoid valve.
●Harness or connectors
(The solenoid circuit is open or shorted.)
●Shift solenoid valve A
: 4th judgement flicker
SAT014K

AT-370
[ALL]
SHIFT SOLENOID VALVE A
Diagnostic Procedure
ECS004TU
1. CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 2 and ground.
OK or NG
OK >> GO TO 2.
NG >> 1. Remove control valve assembly. Refer to AT- 4 1 3 ,
"Installation" .
2. Check the following items:
Shift solenoid valve A
Refer to AT-371, "
Component Inspection" .
Harness of terminal cord assembly for short or open
2. CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 2 and TCM harness connector terminal 11.
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3. CHECK DTC
Perform Self-diagnosis Code confirmation procedure. Refer to AT- 3 6 7 , "
SELF-DIAGNOSIS CODE CONFIR-
MATION 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. Resistance : 20 - 30Ω
SCIA0719E
Continuity should exist.
SCIA0720E

AT-372
[ALL]
SHIFT SOLENOID VALVE B
SHIFT SOLENOID VALVE B
PFP:31940
DescriptionECS004TW
Shift solenoid valves A and B are turned “ON” or “OFF” by the TCM
in response to signals sent from the PNP switch, vehicle speed and
throttle position sensors. Gears will then be shifted to the optimum
position.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
ON BOARD DIAGNOSIS LOGIC
SELF-DIAGNOSIS CODE CONFIRMATION PROCEDURE
After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
1. Start engine.
2. Select “SELF-DIAG RESULTS” mode for A/T with CONSULT-II.
3. Drive vehicle in D
1→ D2→ D3 position.
SCIA0718E
Gear position 1 2 3 4
Shift solenoid valve A ON (Closed) OFF (Open) OFF (Open) ON (Closed)
Shift solenoid valve B ON (Closed) ON (Closed) OFF (Open) OFF (Open)
Te r m i -
nal No.Wire color Item ConditionJudgement stan-
dard
(Approx.)
12 L/YShift solenoid
valve BWhen shift solenoid valve B oper-
ates.
(When driving in “D
1 ” or “D2 ”.)Battery voltage
When shift solenoid valve B does not
operate.
(When driving in “D
3 ” or “D4 ”.)0V
Diagnostic trouble code Malfunction is detected when... Check items (Possible cause)
: SHIFT SOLENOID/VB
TCM detects an improper voltage drop
when it tries to operate the solenoid valve.
●Harness or connectors
(The solenoid circuit is open or shorted.)
●Shift solenoid valve B
: 5th judgement flicker
SAT014K

SHIFT SOLENOID VALVE B
AT-375
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
Diagnostic ProcedureECS004TY
1.CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 1 and ground.
OK or NG
OK >> GO TO 2.
NG >>1.Remove control valve assembly. Refer to AT- 4 1 3 ,
"Installation" .
2. Check the following items:
Shift solenoid valve B
Refer to AT- 3 7 6 , "
Component Inspection" .
Harness of terminal cord assembly for short or open
2.CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 12 and TCM harness connector terminal 1.
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3.CHECK DTC
Perform Self-diagnosis Code confirmation procedure. Refer to AT- 3 7 2 , "
SELF-DIAGNOSIS CODE CONFIR-
MATION 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. Resistance : 5 - 20Ω
SCIA0723E
Continuity should exist.
SCIA0724E

OVERRUN CLUTCH SOLENOID VALVE
AT-379
[ALL]
D
E
F
G
H
I
J
K
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MA
B
AT
Diagnostic ProcedureECS004U2
1.CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 3 and ground.
OK or NG
OK >> GO TO 2.
NG >>1.Remove control valve assembly. Refer to AT- 4 4 8 ,
"Control Valve Assembly" .
2. Check the following items:
Overrun clutch solenoid valve
Refer to AT- 3 8 0 , "
Component Inspection" .
Harness of terminal cord assembly for short or open
2.CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 3 and TCM harness connector terminal 20.
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3.CHECK DTC
Perform Self-diagnosis Code confirmation procedure. Refer to AT- 3 7 7 , "
SELF-DIAGNOSIS CODE CONFIR-
MATION 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. Resistance : 20 - 30Ω
SCIA0727E
Continuity should exist.
SCIA0728E

AT-384
[ALL]
TORQUE CONVERTER CLUTCH SOLENOID VALVE
Diagnostic Procedure
ECS004U6
1. CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 5 and ground.
OK or NG
OK >> GO TO 2.
NG >> 1. Remove oil pan. Refer to AT-413, "
Installation" .
2. Check the following items:
Torque converter clutch solenoid valve
Refer to AT-385, "
Component Inspection" .
Harness of terminal cord assembly for short or open
2. CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 5 and TCM harness connector terminal 3.
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3. CHECK DTC
Perform Self-diagnosis Code confirmation procedure. Refer to AT- 3 8 1 , "
SELF-DIAGNOSIS CODE CONFIR-
MATION 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. Resistance: 5 - 20Ω
SCIA0731E
Continuity should exist.
SCIA0732E

AT-386
[ALL]
BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POW-
ER SOURCE)
BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER
SOURCE)
PFP:31940
DescriptionECS004U8
The A/T fluid temperature sensor detects the A/T fluid temperature
and sends a signal to the TCM.
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
SCIA0735E
SAT021J
Monitor item Condition Specification (Approximately)
A/T fluid temperature sensorCold [20°C (68°F)]
↓
Hot [80°C (176°F)]1.5V
↓
0.5V2.5 kΩ
↓
0.3 kΩ
Termi-
nal No.Wire color Item ConditionJudgement stan-
dard
(Approx.)
10 BR/W Power source
or When turning ignition switch to “ON”. Battery voltage
When turning ignition switch to
“OFF”.0V
19 BR/W Power source Same as No. 10
28 R/BPower source
(Memory back-up)
or When turning ignition switch to
“OFF”.Battery voltage
When turning ignition switch to “ON”. Battery voltage
42 BGround
(A/T fluid tempera-
ture sensor)———
47 BRA/T fluid tempera-
ture sensorWhen ATF temperature is 20°C
(68°F).1.5V
When ATF temperature is 80°C
(176°F).0.5V

AT-390
[ALL]
BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POW-
ER SOURCE)
3. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT- I I )
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 “FLUID TEMP SE”.
OK or NG
OK >> GO TO 5.
NG >> Check the following item:
●Harness for short or open between TCM, ECM and
terminal cord assembly
●Ground circuit for ECM
Refer to EC-580, "
DTC P1065 ECM POWER SUP-
PLY" (QR25DE) or EC-1269, "DTC P1065 ECM POWER SUPPLY" (QR20DE).
4. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITHOUT CONSULT-II)
Without CONSULT-II
1. Start engine.
2. Check voltage between TCM terminal 47 and ground while warming up A/T.
3. Turn ignition switch to “OFF” position.
4. Disconnect TCM harness connector.
5. Check resistance between terminal 42 and ground.
OK or NG
OK >> GO TO 5.
NG >> Check the following item:
●Harness for short or open between TCM, ECM and
terminal cord assembly
●Ground circuit for ECM
Refer to EC-580, "
DTC P1065 ECM POWER SUP-
PLY" (QR25DE) or EC-1269, "DTC P1065 ECM
POWER SUPPLY" (QR20DE). Vo l ta g e
Cold [20°C (68°F)] → Hot [80°C (176°F)]:
Approximately 1.5V→0.5V
SAT614J
Vo l ta g e
Cold [20°C (68°F)] → Hot [80°C (176°F)]:
Approximately 1.5V→0.5V
SCIA0738E
Continuity should exist.
SCIA0739E