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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (LAN (Can Fundamental) System) >> System Description >> Trouble Diagnosis >> CAN Diagnostic Support Monitor >> Monitor Item (On-Board Diagnosis)

Monitor Item (On-Board Diagnosis)

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For some models, CAN communication diagnosis result is received from the vehicle monitor.
Example: Vehicle Display

Item

Result indicated

Error counter

Description

CAN_COMM

(Initial diagnosis)

OK

0

Normal at present

NG

1 - 50

Control unit error

(The number indicates how many times diagnosis has been run.)

CAN_CIRC_1

(Transmission diagnosis)

OK

0

Normal at present

UNKWN

1 - 50

Unable to transmit for 2 seconds or more at present.

(The number indicates how many times diagnosis has been run.)

CAN_CIRC_2 - 9

(Reception diagnosis of each unit)

OK

0

Normal at present

UNKWN

1 - 50

Unable to transmit for 2 seconds or more at present.

(The number indicates how many times diagnosis has been run.)

Diagnosis not performed.

No control unit for receiving signals. (No applicable optional parts)