Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis System (sonar Control Unit). Consult Function
Consult Function
CONSULT Function
APPLICATION ITEMS
CONSULT performs the following functions via communication with the sonar control unit:
|
Diagnosis Mode |
CGW Status |
Description |
||
|---|---|---|---|---|
|
Restricted Mode |
Diag Test Mode |
Open Mode |
||
|
ECU Identification |
Display |
Display |
Display |
The sonar control unit part number is displayed. |
|
Self Diagnostic Result |
Display |
Display |
Display |
The sonar control unit self diagnostic results are displayed. |
|
CGW Information |
Display |
Display |
Display |
|
|
Data Monitor |
Display |
Display |
Display |
The sonar control unit input/output data is displayed in real time. |
|
Configuration |
Display |
Display |
Display |
|
|
CAN Diag Support Monitor* |
Display |
Display |
Display |
Note:
The mode is indicated, but not monitored. |
|
Network-DTC* |
Display |
Display |
Display |
Display network DTC which sonar control unit memorizes when performing "Diagnosis (All System)". |
*: Displays when performing "Diagnosis (All System)".
ECU IDENTIFICATION
Displays the part number of sonar control unit.
SELF-DIAGNOSTIC RESULTS
For details, refer to DTC Index.
CGW INFORMATION
Displays the diagnosis mode which a user can perform in Diag Test mode/Open Mode by switching the CGW status from Restricted mode to Diag Test Mode/Open Mode.
For the method of switching CAN Gateway status refer to CONSULT Function.
DATA MONITOR
Note:
The following table includes information (items) inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.
|
Monitor Item |
Description |
|---|---|
|
Nissan Sentra Vehicle SPEED [mph/km/h] |
Indicates Nissan Sentra vehicle speed signal received from combination meter on CAN communication line. |
|
SONAR C/U POWER SUPPLY [V] |
Indicates condition of supply voltage signal to sonar control unit. |
|
SENSOR VOLTAGE [V] |
Indicates condition of voltage signal to sonar sensors. |
|
DETECTION MODE [Mode 1/Mode 2] |
Note:
Item is displayed, but cannot be monitored. |
|
SW OPRT AFTR IGN ON [Yes/No] |
Note:
Item is displayed, but cannot be monitored. |
|
SONAR TEMPORARY OFF [Yes/No] |
Note:
Item is displayed, but cannot be monitored. |
|
SONAR PERMANENT OFF [Yes/No] |
Note:
Item is displayed, but cannot be monitored. |
|
P N RANGE [On/Off] |
Indicates condition of selector lever P (park) or N (neutral) position. |
|
LED [On/Off] |
Note:
Item is displayed, but cannot be monitored. |
|
TRAILER CONNECT [CON/N CON] |
Note:
Item is displayed, but cannot be monitored. |
|
REVERSE RANGE [On/Off] |
Indicates condition of transmission range switch R (reverse) position. |
|
SHRT DST FRM RR SENS [cm/in] |
Indicates distance to obstacle. |
|
SHRT DST FRM FR SENS [cm/in] |
|
|
COR[RL] [cm/in] |
|
|
COR[RL]→ CEN[RL]/CEN[R] [cm/in] |
|
|
CEN[RL]/CEN[R]→ COR[RL] [cm/in] |
|
|
CEN[RL]/CEN[R] [cm/in] |
|
|
CEN[RL]→ CEN[RR] [cm/in] |
|
|
CEN[RR]→ CEN[RL] [cm/in] |
|
|
CEN[RR] [cm/in] |
|
|
CEN[RR]/CEN[R]→ COR[RR] [cm/in] |
|
|
COR[RR]→ CEN[RR]/CEN[R] [cm/in] |
|
|
COR[RR] [cm/in] |
|
|
RVRB TIME COR[RL] [ms/sec] |
|
|
RVRB TIME COR[RR] [ms/sec] |
|
|
RVRB TIME CEN [RL] [ms/sec] |
|
|
RVRB TIME CEN [RR] ms/sec] |
|
|
FRONT BUZZER [On/Off] |
Indicates condition of sonar buzzer. |
|
REAR BUZZER [On/Off] |
Note:
Item is displayed, but cannot be monitored. |
|
Buzzer request 1 (frequency) [Hz] |
Note:
Item is displayed, but cannot be monitored. |
|
Buzzer request 2 (frequency) [Hz] |
Note:
Item is displayed, but cannot be monitored. |
|
Buzzer request 3 (frequency) [Hz] |
Note:
Item is displayed, but cannot be monitored. |
CONFIGURATION
Configuration has three functions as follows.
|
Function |
Description |
|
|---|---|---|
|
Read/Write Configuration |
Before Replace ECU |
Allows the reading of Nissan Sentra vehicle specification written in AV control unit to store the specification in CONSULT. |
|
After Replace ECU |
Allows the writing of the Nissan Sentra vehicle information stored in CONSULT into the AV control unit. |
|
|
Manual Configuration |
Allows the writing of the Nissan Sentra vehicle specification into the AV control unit by hand. |
|
Other materials:
Power Supply and Ground Circuit
A/c Amp.
Diagnosis Procedure
Diagnosis Procedure
CHECK A/C AMP. GROUND CIRCUIT FOR
OPEN
Ignition switch OFF.
Disconnect A/C amp. connector.
...
P0420 Three Way Catalyst Function
Dtc Description
DTC Description
The ECM monitors the switching frequency ratio of air fuel ratio
(A/F) sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2. As oxygen ...
Operation
Automatic Speed Control Device (ascd)
Switch Name and Function
Switch Name and Function
SWITCHES AND INDICATORS
On the combination
meter
...