Nissan Juke Service and Repair Manual : Power supply and ground circuit
Diagnosis Procedure
1.CHECK 4WD CONTROL MODULE POWER SUPPLY (1)
1. Turn the ignition switch OFF.
2. Disconnect 4WD control module harness connector.
3. Check the voltage between 4WD control module harness connector and ground.

4. Turn the ignition switch ON.
CAUTION:
Never start the engine.
5. Check the voltage between 4WD control module harness connector and ground.

Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK 4WD CONTROL MODULE POWER SUPPLY (2)
1. Turn the ignition switch OFF.
2. Check the 10A fuse (#33).
3. Check the harness for open or short between 4WD control module harness connector No.1 terminal and 10A (#33).
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit. Refer to PG-10, "Wiring Diagram - BATTERY POWER SUPPLY -".
NO >> Repair or replace error-detected parts.
3.CHECK 4WD CONTROL MODULE POWER SUPPLY (3)
1. Turn the ignition switch OFF.
2. Check the voltage between 4WD control module harness connector and ground.

3. Turn the ignition switch ON.
CAUTION:
Never start the engine.
4. Check the voltage between 4WD control module harness connector and ground.

Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK 4WD CONTROL MODULE POWER SUPPLY (4)
1. Turn the ignition switch OFF.
2. Check the 10A fuse (#3).
3. Check the harness for open or short between 4WD control module harness connector No.3 terminal and 10A (#3).
Is the inspection result normal? YES >> Perform the trouble diagnosis for ignition power supply circuit. Refer to PG-15, "Wiring Diagram - IGNITION POWER SUPPLY -".
NO >> Repair or replace error-detected parts.
5.CHECK 4WD SOLENOID POWER SUPPLY (1)
1. Turn the ignition switch OFF.
2. Disconnect 4WD control module harness connector.
3. Check the voltage between 4WD control module harness connector and ground.

4. Turn the ignition switch OFF to ON.
CAUTION:
Never start the engine.
5. Check the voltage between 4WD control module harness connector and ground.

Is the inspection result normal? YES >> GO TO 7.
NO >> GO TO 6.
6.CHECK 4WD SOLENOID POWER SUPPLY (2)
1. Turn the ignition switch OFF.
2. Check the 10A fuse (#12).
3. Check the harness for open or short between 4WD control module harness connector No.12 and the 10A fuse (#12).
Is the inspection result normal? YES >> Perform the trouble the diagnosis for power supply circuit. Refer to PG-10, "Wiring Diagram - BATTERY POWER SUPPLY -".
NO >> Repair or replace error-detected parts.
7.CHECK 4WD CONTROL MODULE GROUND
1. Turn the ignition switch OFF.
2. Check the continuity between 4WD control module harness connector and ground.

Is the inspection result normal? YES >> INSPECTION END
NO >> Repair or replace error-detected parts.
U1010 control unit (CAN)
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellen ...
4WD warning lamp
Component Function Check
1.CHECK 4WD WARNING LAMP FUNCTION
1. Turn the ignition switch ON.
2. Check that 4WD warning lamp turns on.
Is the inspection result normal?
YES >> INSPECTION END
...
Other materials:
U0100 lost communication (ECM A)
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, and ...
Wiring diagram
NISSAN DYNAMIC CONTROL SYSTEM
Wiring Diagram
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Connector Information/Explanation
of Option Abbreviation".
...
B2195 anti-scanning
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES >> Refer to SEC-62, "Diagnosis Procedure".
NO >> ...
