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:
Inspection
LEVEL
• Check that the reservoir tank engine coolant level is within the
“MIN” to “MAX” when the engine is cool.
A : MAX
B : MIN
• Adjust the engine coolant level if necessary.
LEAKAGE
• To check for leakage, apply pressure to the cooling system with the
radiator cap tester (commercial ser ...
PTC heater
Component Function Check
1.CHECK PTC HEATER OPERATION
1. Start the engine.
2. Operate fan control dial.
3. Operate temperature control dial to full hot position.
4. Check for warm air at discharge air outlet.
NOTE:
• Engine must be cold.
• Battery must be charged.
Is the inspection resu ...
B2604 shift position
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B2604 is displayed with DTC U1010, first perform the trouble diagnosis
for DTC U1010. Refer to
BCS-84, "D ...
