Nissan Juke Service and Repair Manual : PTC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the PTC heater control unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of PTC heater control unit.
2. Check the resistance between the PTC heater control unit harness connector terminals.

Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the PTC heater control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the PTC heater control unit. Refer to HAC-280, "PTC HEATER CONTROL UNIT : Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the PTC heater control unit. Refer to HAC.
YES (Past error)>>Error was detected in the PTC heater control unit branch line.
NO >> Repair the power supply and the ground circuit.
MDU branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the multi display unit f ...
BCM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend ...
Other materials:
P0014 EVT control
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P0014 is displayed with DTC P0078, first perform trouble diagnosis for
DTC P0078. Refer to
EC-179, "DTC Logic".
• If DTC P0014 is displayed with P1078, first perform trouble diagnosis for
P1078. Refer to EC-313,
"DTC Logic".
...
P0138 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time between rich and
lean than the air fuel ratio (A/
F) sensor 1. The oxygen storage capacity of the three way catalyst 1 causes the
longer switching time.
MALFUNCTION A
To judge the malfunctions of hea ...
Injection tube and fuel injector
Exploded View
1. Spill hose
2. Injection tube
3. Fuel injector
4. Heat protection washer
5. Fuel injector bracket
6. Fuel injector bracket spacer
7. Fuel rail stud bolt
8. Fuel rail
9. High pressure protection cover (lower)
10. Injection tube
11. High pressure supply pump
12. H ...
