Nissan Juke Service and Repair Manual : 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 excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit communicate data but selectively reads required data only.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With CONSULT-III
1. Turn the ignition switch OFF to ON.
2. Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “U1010” detected? YES >> Proceed to diagnosis procedure. Refer to DLN-77, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK 4WD CONTROL MODULE
Check 4WD control module harness connector for disconnection and deformation.
Is the inspection result normal? YES >> Replace 4WD control module. Refer to DLN-91, "Removal and Installation".
NO >> Repair or replace error-detected parts.
U1000 can comm circuit
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 ...
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 ...
Other materials:
Basic inspection
1.INSPECTION START
1. Check service records for any recent repairs that may indicate a related
malfunction, or a current need for
scheduled maintenance.
2. Open engine hood and check the following:
- Harness connectors for improper connections
- Wiring harness for improper connections, pinche ...
System (power door lock system)
System Diagram
System Description
DOOR LOCK FUNCTION
Door Lock and Unlock Switch
• The door lock and unlock switch (driver side) is build into power window main
switch.
• Interlocked with the locking operation of door lock and unlock switch, door
lock actuators of all doors are
locked.
...
Precaution
Precautions for Trouble Diagnosis
CAUTION:
• Never apply 7.0 V or more to the measurement terminal.
• Use a tester with open terminal voltage of 7.0 V or less.
• Turn the ignition switch OFF and disconnect the battery cable from the
negative terminal when
checking the harness.
Precautions fo ...