NISSAN X-TRAIL 2003 Electronic Repair Manual

ACCELE RATOR PEDAL POSITION (APP) SENSOR
AT-405
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.CHECK INPUT SIGNAL (WITHOUT CONSULT-II)
Wi th ou t C O N S U LT-I I
1. Turn ignition switch to “ON” position.
(Do not start engine.)
2. Check voltage between TCM terminals 41 and 42 while accelerator pedal is depressed slowly.
(Voltage rises gradually in response to throttle position.)
OK or NG
OK >> GO TO 4
NG >> Check harness for short or open between ECM and
TCM regarding throttle position sensor circuit. (Main
harness)
4.CHECK DTC
Perform Self-diagnosis Code confirmation procedure,AT-402, "
SELF-DIAGNOSIS CODE 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. Vo l ta g e :
Fully-closed throttle valve :Approximately 0.5V
Fully-open throttle valve :Approximately 4V
SCIA0710E

AT-406
[ALL]
SHIFT SOLENOID VALVE A
SHIFT SOLENOID VALVE A
PFP: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®D2position.
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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)
:SHIFTSOLENOID/VA
TCM detects an improper voltage drop
when it tries to operate the solenoid valve.
lHarness or connectors
(The solenoid circuit is open or shorted.)
lShift solenoid valve A
: 4th judgement flicker
SAT014K

SHIFT SOLENOID VALVE A
AT-407
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
Without CONSULT-II
1. Start engine.
2. DrivevehicleinD
1®D2position.
3. Perform self-diagnosis.
Refer to “SELF-DIAGNOSTIC PROCEDURE (Without CON-
SULT-II)”,AT-406, "
SHIFT SOLENOID VALVE A".
SCIA0698E

AT-408
[ALL]
SHIFT SOLENOID VALVE A
Wiring Diagram — AT — SSV/A
ECS0 04 T T
TCWA0040E

SHIFT SOLENOID VALVE A
AT-409
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
Diagnostic ProcedureECS004TU
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 toAT-453,
"Installation".
2. Check the following items:
Shift solenoid valve A
Refer to “Component Inspection”,AT-410, "
Compo-
nent 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,AT-406, "
SHIFT SOLENOID VALVE A".
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 - 30W
SCIA0719E
Continuity should exist.
SCIA0720E

AT-410
[ALL]
SHIFT SOLENOID VALVE A
Component Inspection
ECS004TV
SHIFT SOLENOID VALVE A
lFor removal, refer toAT-453, "Installation".
Resistance Check
lCheck resistance between two terminals.
Operation Check
lCheck solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground.
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Solenoid valve Terminal No.Resistance
(Approx.)
Shift solenoid
valve A2 Ground 20 - 30W
SCIA0722E

SHIFT SOLENOID VALVE B
AT-411
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
SHIFT SOLENOID VALVE BPFP: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. DrivevehicleinD
1®D2®D3position.
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.
lHarness or connectors
(The solenoid circuit is open or shorted.)
lShift solenoid valve B
: 5th judgement flicker
SAT014K

AT-412
[ALL]
SHIFT SOLENOID VALVE B
Without CONSULT-II
1. Start engine.
2. Drive vehicle in D
1®D2®D3position.
3. Perform self-diagnosis.
Refer to “SELF-DIAGNOSTIC PROCEDURE (Without CON-
SULT-II)”,AT- 2 7 3 , "
Diagnostic Procedure Without CONSULT-II"
.
SCIA0699E

SHIFT SOLENOID VALVE B
AT-413
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
Wiring Diagram — AT — SSV/BECS0 04 T X
TCWA0041E

AT-414
[ALL]
SHIFT SOLENOID VALVE B
Diagnostic Procedure
ECS004TY
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 toAT-453,
"Installation".
2. Check the following items:
Shift solenoid valve B
Refer to “Component Inspection”,AT-415, "
Compo-
nent 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,AT- 4 11 , "
SHIFT SOLENOID VALVE B".
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 - 20W
SCIA0723E
Continuity should exist.
SCIA0724E