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:
Periodic maintenance
IDLE SPEED
Inspection
1.CHECK IDLE SPEED
With CONSULT-III
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
With GST
Check idle speed with Service $01 of GST.
Without CONSULT-III
Check idle speed by installing the pulse type tachometer clamp on the loop
wire or on suitable high ...
Key reminder function does not operate
Diagnosis Procedure
1.CHECK DOOR LOCK AND UNLOCK SWITCH
Check door lock and unlock switch.
Refer to DLK-520, "Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK KEY SWITCH
Check k ...
Engine emits white smoke (especially when starting)
Description
CHART 21: ENGINE EMITS WHITE SMOKE (ESPECIALLY WHEN STARTING)
Diagnosis Procedure
1.CHECK FUEL
Check that the fuel reservoir is correctly filled and with the right fuel.
>> GO TO 2.
2.CHECK COOLING SYSTEM
Check the cooling system. Refer to CO-60, "Troubleshooting Ch ...