2005 NISSAN X-TRAIL fuse box

TF-38
TROUBLE DIAGNOSIS FOR SYSTEM

1. CHECK 4WD SOLENOID SIGNAL
With CONSULT-II
1. Start engine.
2. Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3. Read out the value of “ETS SOLENOID”.
*: The values are changed by throttle opening and engine speed.
OK or NG
OK >> GO TO 6.
NG >> GO TO 2.
2. CHECK POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect 4WD control unit harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Check voltage between 4WD control unit harness connector ter-
minal 9 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following. If any items are damaged, repair or
replace damaged parts.

10A fuse (No. 37, located in the fuse and fusible link
box)

Harness for short or open between battery and 4WD control unit harness connector terminal 9
3. CHECK 4WD SOLENOID CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect 4WD control unit harness connector.
3. Check resistance between 4WD control unit harness connector
terminals 1 and 2.
OK or NG
OK >> GO TO 6.
NG >> GO TO 4.
Condition Display value
Engine speed: At idle2WD mode
Approx. 0.000A AUTO mode
LOCK mode
Engine speed: 3,000 rpm or
more constant2WD mode Approx. 0.000A
AUTO mode Approx. 0.000 - 1.500A*
LOCK mode Approx. 2.800A
SDIA1885E
Connector Terminal (wire color) Voltage (Approx.)
M107 9 (P/L) - Ground Battery voltage
SDIA2306E
Connector Terminal (wire color) Resistance (Approx.)
M107 1 (OR) - 2 (L/W) (Ground) 2.45 Ω
SDIA2307E

TF-46
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
EDS001VT
DIAGNOSTIC PROCEDURE
1. CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to TF-32, "
SELF-DIAG RESULT MODE" .
Is the
“CAN COMM CIRCUIT [U1000]” displayed?
YES >> Perform trouble diagnosis for CAN communication line. Refer to TF-14, "CAN Communication
Unit" .
NO >> GO TO 2.
2. CHECK 4WD CONTROL UNIT POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect 4WD control unit harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Check voltage between 4WD control unit harness connector ter-
minals and ground.
5. Turn ignition switch “OFF”.
6. Check voltage between 4WD control unit harness connector ter-
minals and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following. If any items are damaged, repair or
replace damaged parts.

10A fuse (No. 8 located in the fuse block (J/B) or No. 37, located in the fuse and fusible link
box)

Harness for short or open between battery and 4WD control unit harness connector terminal 9

Harness for short or open between ignition switch and 4WD control unit harness connector ter-
minal 7

Ignition switch. Refer to PG-2, "POWER SUPPLY ROUTING" .
Connector Terminal (Wire color) Voltage (Approx.)
M1077 (GY) - Ground
Battery voltage
9 (P/L) - Ground
SDIA2304E
Connector Terminal (Wire color) Voltage (Approx.)
M1077 (GY) - Ground 0V
9 (P/L) - Ground Battery voltage
SDIA2321E

TF-48
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-34, "
Disassembly and Assembly for
Combination Meter" .
4WD Warning Lamp Does Not Turn OFF Several Seconds after Engine StartedEDS001VV
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to TF-32, "
SELF-DIAG RESULT MODE" .
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
2. CHECK 4WD CONTROL UNIT POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect 4WD control unit harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Check voltage between 4WD control unit harness connector ter-
minals and ground.
5. Turn ignition switch “OFF”.
6. Check voltage between 4WD control unit harness connector ter-
minals and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following. If any items are damaged, repair or
replace damaged parts.

10A fuse (No. 8 located in the fuse block (J/B) or No. 37, located in the fuse and fusible link
box)

Harness for short or open between battery and 4WD control unit harness connector terminal 9

Harness for short or open between ignition switch and 4WD control unit harness connector ter-
minal 7

Ignition switch. Refer to PG-2, "POWER SUPPLY ROUTING" .
Connector Terminal (Wire color) Voltage (Approx.)
M1077 (GY) - Ground
Battery voltage
9 (P/L) - Ground
SDIA2304E
Connector Terminal (Wire color) Voltage (Approx.)
M1077 (GY) - Ground 0V
9 (P/L) - Ground Battery voltage
SDIA2321E

BRC-102
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

2. SELF-DIAGNOSTIC RESULT CHECK 2
1. Disconnect connectors for ESP/TCS/ABS control unit and the actuator. Securely connect them again.
2. Perform the self-diagnosis again.
Are any self-diagnosis items indicated again?
YES >> GO TO 3.
NO >> Repair or replace the poorly connected connector.
3. ACTUATOR MOTOR, MOTOR RELAY POWER SUPPLY CIRCUIT INSPECTION
1. Disconnect relay box harness connectors.
2. Check the voltage between the harness connector E55 and
body ground.
Is inspection result OK?
YES >> GO TO 4.
NO >>

Check the fuse 50A.

Check for the continuity between battery and relay box terminal No. 10.
4. ACTUATOR MOTOR AND MOTOR RELAY CIRCUIT CHECK
1. Disconnect connectors for ESP/TCS/ABS control unit and the
relay box.
2. Check for continuity between ESP/TCS/ABS control unit, the
relay.
Is inspection result OK?
YES >> GO TO 5.
NO >> Harness malfunction between ESP/TCS/ABS control unit, the ESP relay box.
5. MOTOR RELAY UNIT INSPECTION
Check the motor relay as a unit.
Is inspection result OK?
YES >> Check ESP/TCS/ABS control unit power supply circuit.
NO >> Replace the motor relay.
SFIA2206E
ESP Relay box
(harness connector E55)Body ground Voltage value
10 (W/R) – Battery voltage (approx. 12V)
ESP/TCS/ABS
control unit
(harness
connector E122)ESP relay box
(harness
connector
E56and E57)Continuity
20 (R/B) 4 (R/B)
Ye s
7 (G/W) 8 (G/W)
SFIA2182E

BRC-104
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

4. ACTUATOR RELAY POWER SUPPLY CIRCUIT INSPECTION
1. Disconnect the relay box connectors.
2. Check the voltage between the harness connector and body
ground.
Is inspection result OK?
YES >> GO TO 5.
NO >>

Check the fuse 30A.

Check for the continuity between battery and the relay box terminal No. 9. If it is not OK,
replace the fuse or harness.
5. ACTUATOR RELAY POWER CIRCUIT CHECK
1. Disconnect connectors for ESP/TCS/ABS control unit and the
relay box.
2. Check for continuity between ESP/TCS/ABS control unit and
the relay box.
Is inspection result OK?
YES >> GO TO 6.
NO >> The harness disconnection between ESP/TCS/ABS control unit and the relay box.
6. ACTUATOR RELAY UNIT INSPECTION
Check the actuator relay as a unit.
Is inspection result OK?
YES >> Check ESP/TCS/ABS control unit power supply circuit.
NO >> Replace the actuator relay.
SFIA2183E
ESP relay box
(harness connector E55)Body ground Voltage value
9 (BR) – Battery voltage (approx. 12V)
SFIA2184E
ESP/TCS/ABS control unit
(harness connector E122)ESP relay box
(harness connector E56)Continuity
2 (Y/R) 5 (Y/R)
Yes
36 (L/Y) 7 (L/Y)

ATC-68
TROUBLE DIAGNOSIS

Potentio Temperature Control (PTC)
The PTC is built into the auto amp. It can be set at an interval of 1°C
in the 18°C to 32°C temperature range by turning the temperature
control dial.
DIAGNOSTIC PROCEDURE FOR A/C SYSTEM
SYMPTOM: A/C system does not come on.
1. CHECK POWER SUPPLY CIRCUIT FOR AUTO AMP.
1. Disconnect auto amp. connector.
2. Check voltage between auto amp. harness connector M52 ter-
minal 1 (BR/Y), 2 (L), 20 (L/W) and ground.
OK or NG
OK >> GO TO 2.
NG >> Check 10A fuses (Nos. 15 and 28) and 15A fuses (Nos. 19 and 24), located in the fuse block (J/
B). Refer to PG-79, "
FUSE BLOCK - JUNCTION BOX (J/B)" .

If fuses are OK, check harness for open circuit. Repair or replace if necessary.

If fuses are NG, replace fuse and check harness for short circuit. Repair or replace if necessary.
SJIA0402E
RJIA0504E
Terminals Ignition switch position
(+)
(-) OFF ACC ON
Auto amp.
connectorTe r m i n a l N o .
(wire color)
M52 1 (BR/Y)
GroundApprox.
0VApprox.
0VBattery
voltage
M52 2 (L)Battery
voltageBattery
voltageBattery
voltage
M52 20 (L/W)Approx.
0VApprox.
0VBattery
voltage
RJIA2856E

TROUBLE DIAGNOSIS
ATC-85
C
D
E
F
G
H
I
K
L
MA
B
AT C

1. CHECK POWER SUPPLY FOR BLOWER MOTOR
1. Disconnect blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between blower motor harness connector M65
terminal 1 (L/W) and ground.
OK or NG
OK >> GO TO 2.
NG >> Check power supply circuit and 15A fuses [Nos. 19 and
24, located in the fuse block (J/B)]. Refer to PG-79,
"FUSE BLOCK - JUNCTION BOX (J/B)" .

If OK, check harness for open circuit. Repair or replace if necessary.

If NG, replace fuse and check harness for short circuit. Repair or replace if necessary.
2. CHECK FAN FEED BACK CIRCUIT
1. Reconnect blower motor connector.
2. Check voltage between auto amp. harness connector M52 ter-
minal 18 (R) and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 9.
3. CHECK BLOWER MOTOR
Refer to AT C - 8 7 , "
Blower Motor" .
OK or NG
OK >> GO TO 4.
NG >> Replace blower motor.
4. CHECK POWER SUPPLY FOR FAN CONTROL AMP.
1. Turn ignition switch ON.
2. Check voltage between fan control amp. harness connector
M67 terminal 3 (R) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.1 – Ground : Battery voltage
RJIA2860E
18 – Ground : Battery voltage
RJIA2861E
Terminals
Condition Voltage (+)
(-)
Fan control
amp. connectorTerminal No.
(wire color)
M67 3 (R) Ground Fan speed: 1st Approx. 8V
RJIA2862E

TROUBLE DIAGNOSIS
ATC-91
C
D
E
F
G
H
I
K
L
MA
B
AT C

4. CHECK POWER SUPPLY FOR A/C RELAY
1. Turn ignition switch ON.
2. Check voltage between A/C relay harness connector E5 termi-
nal 1 (BR/Y), 3 (BR/Y) and ground.
OK or NG
OK >> GO TO 5.
NG >> Check power supply circuit and 10A fuse [No. 15
located in the fuse block (J/B)]. Refer to PG-79, "
FUSE
BLOCK - JUNCTION BOX (J/B)" .

If OK, check harness for open circuit. Repair or replace if necessary.

If NG, replace fuse and check harness for short circuit. Repair or replace if necessary.
5. CHECK A/C RELAY AFTER DISCONNECTING IT
Refer to AT C - 9 4 , "
A/C Relay" .
OK or NG
OK >> GO TO 6.
NG >> 1. Replace A/C relay.
2. Go to self-diagnosis procedure AT C - 5 9 , "
FUNCTION CONFIRMATION PROCEDURE" and
perform self-diagnosis STEP-4. Confirm that magnet clutch operation is usual.
6. CHECK COIL SIDE CIRCUIT OF A/C RELAY
1. Turn ignition switch OFF.
2. Reconnect A/C relay connector.
3. Start the engine.
4. Check voltage between ECM harness connector F43 terminal
105 (BR/W) or 19 (L) and ground.
OK or NG
OK >> GO TO 7.
NG >> Repair harness or connector.
7. CHECK AMBIENT SENSOR
Refer to ATC-109, "
Ambient Sensor Circuit" .
OK or NG
OK >>
With gasoline engine: GO TO 8.

With diesel engine: GO TO 14.
NG >> Repair or replace the malfunctioning part(s).
8. CHECK REFRIGERANT PRESSURE SENSOR (QR ENGINE)
Refer to AT C - 9 4 , "
Refrigerant Pressure Sensor (With Gasoline Engine)" .
OK or NG
OK >> GO TO 9.
NG >> Repair or replace the malfunctioning part(s).1 – Ground : Battery voltage
3 – Ground : Battery voltage
RJIA2871E
105 – Ground (Gasoline engine) : Battery voltage
19 – Ground (Diesel engine) : Battery voltage
RJIA2836E