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?


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:

    Cooler pipe and hose
    Exploded View 1. A/C unit assembly 2. O-ring 3. High-pressure pipe 4. O-ring 5. Low-pressure flexible hose 6. High-pressure flexible hose 7. O-ring 8. Condenser 9. Compressor : Do not reuse : N·m (kg-m, in-lb) : N·m (kg-m, ft-lb) High-pressure flexible hose : Removal and Installa ...

    Body alignment
    Body Center Marks (RHD Models) A mark is placed on each part of the body to indicate the vehicle center. When repairing the vehicle frame (members, pillars, etc.) damaged by an accident which it enables more accurate and effective repair by using these marks together with body alignment speci ...

    Component parts
    Component Parts Location 1. Combination meter 2. Key switch 3. BCM Refer to BCS-96, "BODY CONTROL SYSTEM : Component Parts Location" 4. Power window main switch (door lock/unlock switch) 5. Front door switch (driver side) 6. Front door lock assembly (driver side) 7. Back do ...