Nissan March K13. Manual — part 262
MALFUNCTION INDICATOR LAMP
EC-509
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 2)]
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MALFUNCTION INDICATOR LAMP
Component Function Check
INFOID:0000000006037477
1.
CHECK MIL FUNCTION
1.
Turn ignition switch ON.
2.
Make sure that MIL lights up.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000006037478
1.
CHECK DTC
Check that DTC U1000 or U1001 is not displayed.
Is DTC detected?
YES
>> Perform trouble diagnosis for DTC U1000, U1001. Refer to
NO
>> GO TO 2.
2.
CHECK COMBINATION METER
Refer to
XX-XX, "*****"
.
Is DTC detected?
YES
>> Perform troubleshooting relevant to DTC indicated.
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
Refer to
XX-XX, "*****"
.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Repair or replace harness or connectors.
EC-510
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 2)]
REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR
Component Function Check
INFOID:0000000006037479
1.
CHECK REFRIGERANT PRESSURE SENSOR OVERALL 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 and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000006037480
1.
CHECK GROUND CONNECTION
1.
Turn A/C switch and blower fan switch OFF.
2.
Stop engine.
3.
Turn ignition switch OFF.
4.
Check ground connection E38. Refer to Ground Inspection in
XX-XX, "*****"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
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 4.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F1
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
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
Connector
+
−
Terminal
Terminal
F8
41
(Refrigerant pressure sensor signal)
48
1.0 - 4.0V
Refrigerant pressure sensor
Ground
Voltage
Connector
Terminal
E49
3
Ground
Approx. 5 V
REFRIGERANT PRESSURE SENSOR
EC-511
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 2)]
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4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F1
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between ECM harness connector and refrigerant pressure sensor harness connec-
tor.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F1
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.
CHECK INTERMITTENT INCIDENT
Refer to
XX-XX, "*****"
.
Is the inspection result normal?
YES
>> Replace refrigerant pressure sensor.
NO
>> Repair or replace.
Refrigerant pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E49
1
F8
48
Existed
Refrigerant pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E49
2
F8
41
Existed
EC-512
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 2)]
VSS
VSS
Description
INFOID:0000000006037485
The vehicle speed signal is sent to the combination meter from the “ABS actuator and electric unit (control
unit)” by CAN communication line. The combination meter then sends a signal to the ECM by CAN communi-
cation line.
Component Function Check
INFOID:0000000005886657
1.
INSPECTION START
Do you have CONSULT-III?
Do you have CONSULT-III?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK VEHICLE SPEED FUNCTION
With CONSULT-III
1.
Turn ignition switch OFF.
2.
Lift up the vehicle.
3.
Start engine and let it idle.
4.
Select “VHCL SPEED SE” in “DATA MONITOR” mode with CONSULT-III.
5.
Check “VHCL SPEED SE” indication when rotating wheels with suitable gear position.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
3.
CHECK VEHICLE SPEED FUNCTION
Without CONSULT-III
1.
Lift up drive wheels.
2.
Start engine.
3.
Check vehicle speed of speedometer.
The vehicle speed should be able to exceed 10 km/h (6 MPH) when rotating wheels with suitable gear
position.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000005886658
1.
CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Refer to
XX-XX, "*****"
(ABS) or
XX-XX, "*****"
(ESP/TCS/ABS).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace.
2.
CHECK COMBINATION METER FUNCTION
Refer to
XX-XX, "*****"
.
>> INSPECTION END
“VHCL SPEED SE” indication should exceed 10 km/h (6 MPH).
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