Nissan Juke Service and Repair Manual : 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 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 multi display unit.
2. Check the resistance between the multi display unit harness connector terminals.

Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the multi display unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the multi display unit. Refer to AV-123, "MULTI DISPLAY UNIT : Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the multi display unit. Refer to DMS-13, "Removal and Installation".
YES (Past error)>>Error was detected in the multi display unit branch line.
NO >> Repair the power supply and the ground circuit.
HVAC 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 A/C auto amp. for da ...
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 u ...
Other materials:
P0340 CMP sensor (phase)
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit
Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or ...
Keyfob battery
Component Function Check
1.CHECK FUNCTION
Check door lock and unlock operation with keyfob button.
Is the inspection result normal?
YES >> Keyfob is OK.
NO >> Refer to DLK-403, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK KEYFOB BATTERY
Check by connecting a r ...
B257B, B257C ambient sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to HAC-
141, "DTC Logic".
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis
for DTC U1010. HAC-142,
"DTC Log ...
