Nissan Juke Service and Repair Manual : Not communication with the ECM
Description
CHART 1: NO COMMUNICATION WITH THE ECM
Diagnosis Procedure
1.INSPECTION START
Ensure that CONSULT-III is not causing the malfunction by trying to establish dialogue with an ECM on another vehicle. If the CONSULT-III is not at malfunction, and dialogue cannot be established with any other ECM on the same vehicle, the cause could be a suspected ECM interfering on the CAN communication line.
Check the voltage of the battery and carry out the operations necessary to obtain a voltage which is to specification (9.5 V < U battery < 17.5 V).
>> GO TO 2.
2.CHECK CAN COMMUNICATION
Perform trouble diagnosis on the CAN communication line using CONSULT-III. Refer to LAN-31, "CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.CHECK ECM GROUND
Check the ECM earth (ground).
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace ground connection.
4.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to EC-885, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace harness or connector.
5.CHECK DATA LINK CONNECTOR CIRCUIT
Check for the presence of 12 V on terminal 16 with ignition switch OFF, 12 V on terminal 8 with ignition switch ON and an earth (ground) on terminals 4 and 5 of the data link connector.
Repair if necessary.
Is the inspection result normal? YES >> INSPECTION END
NO >> Repair or replace harness or connector.
Engine control system symptoms
Symptom Table NOTE: Only consult this customer complaint after a complete check using the CONSULT-III. ...Engine does not start or starts with difficulty
Description CHART 2: ENGINE DOES NOT START OR STARTS WITH DIFFICULTY Diagnosis Procedure 1.CHECK FUEL Check that the fuel reservoir is correctly filled and with the right fuel. >> GO TO 2 ...Other materials:
P1745 line pressure control
Description
The line pressure solenoid valve regulates the oil pump discharge pressure to
suit the driving condition in
response to a signal sent from the TCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, alw ...
Diagnosis systeM (BCM) (without intelligent key system)
Common item
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the ...
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system safely is
include ...