2003 NISSAN X-TRAIL Service Repair Manual

wheel bolts wheel alignment technical data fuse box battery location sport mode

Page 2617 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-41
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3. CHECK 4WD MODE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect 4WD mode switch harness connector.
3. Tur

Page 2618 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TF-42
TROUBLE DIAGNOSIS FOR SYSTEM

6. CHECK 4WD INDICATOR LAMP AND LOCK INDICATOR LAMP
1. Turn ignition switch “OFF”.
2. Check 4WD indicator lamp and LOCK indicator lamp “ON” for approx. 1 s

TF-42
TROUBLE DIAGNOSIS FOR SYSTEM

6. CHECK 4WD INDICATOR LAMP AND LOCK INDICATOR LAMP
1. Turn ignition switch “OFF”.
2. Check 4WD indicator lamp and LOCK indicator lamp “ON” for approx. 1 second when the ignition switch
is turned “ON”.
Do 4WD indicator lamp and LOCK indicator lamp
“ON” for approx. 1 second?
YES >>INSPECTION END
NO >> Go to TF-44, "
4WD Indicator Lamp and LOCK Indicator Lamp Do Not Turn ON for Approx. 1 Sec-
ond When The Ignition Switch Is Turned to ON" .
COMPONENT INSPECTION
1. Turn ignition switch “OFF”.
2. Disconnect 4WD mode switch harness connector.
3. Operate 4WD mode switch and check continuity between 4WD
mode switch harness connector terminals.
4. If NG, replace 4WD mode switch.
Engine Control SignalEDS0026S
DIAGNOSTIC PROCEDURE
Check the following if “ENGINE SIGNAL 1 [C1210]” is displayed in self-diagnosis results of CONSULT-II.
1. CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to EC-52, "
Emission-related Diagnostic Information" (QR engine
models with EURO-OBD), EC-513, "
Emission-related Diagnostic Information" (QR engine models without
EURO-OBD), EC-892, "
Emission-related Diagnostic Information" (YD engine models with EURO-OBD), EC-
1223, "Diagnostic Trouble Code (DTC)" (YD engine models without EURO-OBD).
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
2. CHECK 4WD CONTROL UNIT
Check 4WD control unit input/output signal. Refer to TF-28, "
4WD Control Unit Input/Output Signal Reference
Va l u e s" .
OK or NG
OK >> GO TO 3.
NG >> Check 4WD control unit pin terminals for damage or loose connection with harness connector. If
any item is damaged, repair or replace damaged parts.
3. CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK >>INSPECTION END
NG >> Perform self-diagnosis with ECM again. Refer to EC-52, "
Emission-related Diagnostic Informa-
tion" (QR engine models with EURO-OBD), EC-513, "Emission-related Diagnostic Information"
(QR engine models without EURO-OBD), EC-892, "Emission-related Diagnostic Information" (YD
Connector Terminal Condition Continuity
M392 - 44WD mode switch: AUTO Yes
Except the above No
3 - 44WD mode switch: LOCK Yes
Except the above No
4 - 74WD mode switch: 2WD Yes
Except the above No
SDIA2302E

Page 2619 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-43
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engine models with EURO-OBD), EC-1223, "Diagnostic Trouble Code (DTC)" (YD engine mod-
els without EURO-OBD).
CAN Communication LineEDS0

Page 2620 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TF-44
TROUBLE DIAGNOSIS FOR SYMPTOMS

TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
4WD Indicator Lamp and LOCK Indicator Lamp Do Not Turn ON for Approx. 1
Second When The Ignition Switch Is Turned to ON

Page 2621 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-45
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3. CHECK 4WD CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect 4WD control unit harness connector.
3. Check

Page 2622 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TF-46
TROUBLE DIAGNOSIS FOR SYMPTOMS

3. SYMPTOM CHECK
Check again.
OK or NG
OK >>INSPECTION END
NG >> Replace unified meter control unit assembly. Refer to DI-32, "
Disassembly and Assembly for
Comb

Page 2623 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-47
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3. CHECK 4WD CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect 4WD control unit harness connector.
3. Check

Page 2624 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TF-48
TROUBLE DIAGNOSIS FOR SYMPTOMS

4. CHECK 4WD CONTROL UNIT
Check 4WD control unit input/output signal. Refer to TF-28, "
4WD Control Unit Input/Output Signal Reference
Va l u e s" .
OK or NG
OK

TF-48
TROUBLE DIAGNOSIS FOR SYMPTOMS

4. CHECK 4WD CONTROL UNIT
Check 4WD control unit input/output signal. Refer to TF-28, "
4WD Control Unit Input/Output Signal Reference
Va l u e s" .
OK or NG
OK >> GO TO 5.
NG >> Check 4WD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
5. SYMPTOM CHECK
Check again.
OK or NG
OK >>INSPECTION END
NG >> Replace unified meter control unit assembly. Refer to DI-32, "
Disassembly and Assembly for
Combination Meter" .
Heavy Tight-corner Braking Symptom Occurs When The Vehicle Is Driven in
AUTO Mode and The Steering Wheel Is Turned Fully to Either Side after The
Engine Is Started
EDS001VX
NOTE:
Light tight-corner braking symptom may occur depending on driving conditions in AUTO mode.
This is not malfunction.
Heavy tight-corner braking symptom occurs when vehicle is driven in the following conditions:
LOCK mode, steering wheel is turned fully to either sides, and accelerator pedal was depressed.
DIAGNOSTIC PROCEDURE
1. CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to TF-30, "
SELF-DIAG RESULT MODE" .
Is the
“CAN COMM CIRCUIT [U1000]” displayed?
YES >> Perform trouble diagnosis for CAN communication line. Refer to LAN-4, "CAN Communication
Unit" .
NO >> GO TO 2.
2. CHECK SYSTEM FOR 4WD MODE SWITCH
Perform trouble diagnosis for 4WD mode switch system. Refer to TF-40, "
4WD Mode Switch" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3. CHECK ACCELERATOR PEDAL POSITION SIGNAL CIRCUIT
Perform self-diagnosis for ECM. Refer to EC-52, "
Emission-related Diagnostic Information" (QR engine mod-
els with EURO-OBD), EC-513, "
Emission-related Diagnostic Information" (QR engine models without EURO-
OBD), EC-892, "
Emission-related Diagnostic Information" (YD engine models with EURO-OBD) or EC-1223,
"Diagnostic Trouble Code (DTC)" (YD engine models without EURO-OBD).
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 4.

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