Nissan Sentra B18 (2020-2025) Service Manual: Symptom Diagnosis. Chassis Control
Chassis Control
Symptom Table
INTELLIGENT TRACE CONTROL
Perform the “Self Diagnostic Result” using CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. Refer to DTC Index.
|
Symptom |
Possible cause |
Inspection item |
||
|---|---|---|---|---|
|
Intelligent trace control inoperative/ ineffective |
No intelligent trace control assist |
VDC function is turned OFF. |
Turn the VDC function ON. |
|
|
Brake system malfunction. |
Repair brake system malfunction. |
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|
Powertrain system malfunction. |
Repair powertrain system malfunction. |
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|
Certain roads, inclement weather or driving conditions. |
System is functioning normally. Confirm the condition with the customer. |
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|
Excessive lag on turns |
Wheel alignment. |
Repair alignment malfunction. |
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|
Check the road wheel tire. |
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|
Certain roads, inclement weather or driving conditions. |
System is functioning normally. Confirm the condition with the customer. |
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INTELLIGENT ENGINE BRAKE
Perform the “Self Diagnostic Result” using CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. Refer to DTC Index.
|
Symptom |
Possible cause |
Inspection item |
||
|---|---|---|---|---|
|
Intelligent engine brake inoperative/ineffective |
No CVT gear ratio assist |
VDC function is turned OFF. |
Turn the VDC function ON. |
|
|
Brake system malfunction. |
Repair brake system malfunction. |
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|
Powertrain system malfunction. |
Repair powertrain system malfunction. |
|||
|
Certain roads, inclement weather or driving conditions. |
System is functioning normally. Confirm the condition with the customer. |
|||
|
Lower CVT gear ratio not achieved |
Wheel alignment. |
Repair alignment malfunction. |
||
|
Check the road wheel tire. |
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|
Certain roads, inclement weather or driving conditions. |
System is functioning normally. Confirm the condition with the customer. |
|||
ACTIVE RIDE CONTROL
Perform the “Self Diagnostic Result” using CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. Refer to DTC Index.
|
Symptom |
Possible cause |
Inspection item |
||
|---|---|---|---|---|
|
Active ride control inoperative/ ineffective |
No active ride control assist |
VDC function is turned OFF. |
Turn the VDC function ON. |
|
|
Brake system malfunction. |
Repair brake system malfunction. |
|||
|
Powertrain system malfunction. |
Repair powertrain system malfunction. |
|||
|
Bumpy ride on bumpy road |
Wheel alignment. |
Repair alignment malfunction. |
||
|
Check the road wheel tire. |
|||
|
Certain roads, inclement weather or driving conditions. |
System is functioning normally. Confirm the condition with the customer. |
|||
Other materials:
Changing engine coolant
A NISSAN dealer can change the engine coolant.
The service procedure can be found in the
NISSAN Service Manual.
Improper servicing can result in reduced
heater performance and engine overheating.
WARNING
To avoid the danger of being scalded,
never change the coolant when the ...
BCM branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the bcm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
System
SRS air bag system
SRS AIR BAG SYSTEM : System Diagram
SRS AIR BAG SYSTEM : System Description
The air bag deploys if the air bag diagnosis sensor unit is activated
while the ignition switch is in the ON or
START position.
The collision modes for which supplemental restraint systems ...