Nissan X-Trail 32. Manual — part 915
IGNITION SIGNAL
EC-789
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
NO
>> Replace malfunctioning ignition coil with power transistor. Refer to
.
Component Inspection (Condenser)
INFOID:0000000010986497
1.
CHECK CONDENSER
1.
Turn ignition switch OFF.
2.
Disconnect condenser harness connector.
3.
Check resistance between condenser terminals as per the following.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace condenser.
Condenser
Resistance
+
-
Terminal
1
2
Above 1 M
Ω
[at 25C
°
(77C
°
)]
EC-790
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
INFORMATION DISPLAY (ASCD)
INFORMATION DISPLAY (ASCD)
Component Function Check
INFOID:0000000010986498
1.
CHECK INFORMATION DISPLAY
1.
Start engine.
2.
Press ASCD MAIN switch on ASCD steering switch.
3.
Drive the vehicle at more than 40 km/h (25 MPH).
CAUTION:
Always drive vehicle at a safe speed.
4.
Press SET/
−
switch.
5.
Check that the reading of the speedometer shows the same value as the set speed indicated in the infor-
mation display while driving the vehicle on a flat road.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000010986499
1.
CHECK DTC
Check that DTC UXXXX, P0500 or P1574 is not displayed.
Is the inspection result normal?
YES
>> GO TO 2.
NO-1
>> Perform trouble diagnosis for DTC UXXXX.
NO-2
>> Perform trouble diagnosis for DTC P0500. Refer to
.
NO-3
>> Perform trouble diagnosis for DTC P1574. Refer to
.
2.
CHECK DTC WITH COMBINATION METER
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform trouble diagnosis for DTC indicated.
3.
CHECK INTERMITTENT INCIDENT
Perform
GI-44, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-151, "Removal and Installation"
NO
>> Repair or replace error-detected parts.
MALFUNCTION INDICATOR LAMP
EC-791
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
MALFUNCTION INDICATOR LAMP
Component Function Check
INFOID:0000000010986500
1.
CHECK MIL FUNCTION
1.
Turn ignition switch ON.
2.
Check that MIL illuminates.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000010986501
1.
CHECK DTC
Check that DTC UXXXX is not displayed.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform trouble diagnosis for DTC UXXXX.
2.
CHECK COMBINATION METER FUNCTION
Check combination meter function. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace.
3.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-151, "Removal and Installation"
NO
>> Repair or replace error-detected parts.
EC-792
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR
Component Function Check
INFOID:0000000010986502
1.
CHECK REFRIGERANT PRESSURE SENSOR FUNCTION
1.
Start engine and warm it up to normal operating temperature.
2.
Turn A/C switch and blower fan switch ON.
3.
Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000010986503
1.
CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY
1.
Disconnect refrigerant pressure sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between refrigerant pressure sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-
tor.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit.
NO
>> Repair or replace error-detected parts.
3.
CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-
tor.
ECM
Voltage (V)
Connector
+
–
Terminal
E60
103
124
1.0 - 4.0
+
-
Voltage
(Approx.)
Refrigerant pressure sensor
Connector
Terminal
F42
3
Ground
5 V
+
-
Continuity
Refrigerant pressure sensor
ECM
Connector
Terminal
Connector
Terminal
F42
3
E60
104
Existed
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