Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U20c5-87 Can Comm Err (audio Amp.)
DTC Description
DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Ariya vehicle is equipped with many electronic control unit, 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-High line, CAN-Low line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| U20C5-87 |
CAN comm err (audio amp.) [CAN communication error (audio amplifier)] |
Diagnosis condition | Ignition switch is ON. |
| Signal (terminal) | CAN communication signal | ||
| Threshold | BCM cannot communicate CAN communication signal. | ||
| Diagnosis delay time | 2 seconds or more. | ||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
CHECK SELF-DIAG RESULT
CONSULT
-
Ignition switch ON and wait for 2 seconds or more.
-
Select “Self diagnosis result” mode of “BCM”.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK CAN COMMUNICATION SYSTEM
Check CAN communication system. Refer to Trouble Diagnosis Flow Chart.
>>
Inspection End.
Other materials:
C1f40-04 Ecm
Without Propilot Assist 2.1
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
C1F40
04
ECM
(Engine control module)
Diagnosis condition
When AEB system is ON
Signal (terminal)
—
Threshold
...
Rear Automatic Braking. Ecu Diagnosis Information. Adas Control Unit 2
Adas Control Unit 2
List of ECU Reference
ECU Reference
ADAS control unit 2
Reference Value
Fail-safe (ADAS Control Unit 2)
DTC Inspection Priority Chart
DTC Index
...
Ordinateur de bord du Nissan Rogue
Informations de base et commandes
Pour une ergonomie optimale, les commandes intuitives de l'ordinateur de bord de votre Nissan Rogue sont judicieusement situées sur le côté gauche du volant. Elles permettent de piloter l'ensemble des fonctionnalités sans quitter la route des yeux.
C ...
