Nissan Note [1635/1872] Ec 1635

Nissan Note [1635/1872] Ec 1635
TROUBLE DIAGNOSIS
EC-1635
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
CHART 1: NO COMMUNICATION WITH THE ECM
1. INSPECTION START
Ensure that CONSULT-II is not causing the malfunction by trying to establish dialogue with an ECM on another
vehicle. If the CONSULT-II 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 specifi-
cation (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-II.
>> GO TO 3.
3. CHECK ECM GROUND
Check the ECM earth (ground) point on the side strut tower.
>> GO TO 4.
4. CHECK DLC CONNECTOR CIRCUIT
Check the followings:
Connection between the CONSULT-II and the DLC (wiring in good condition)
Engine and passenger compartment fuses
>> GO TO 5.
5. CHECK DLC 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.
>> GO TO 6.

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