Nissan Sentra Service Manual: Symptom diagnosis
CVT CONTROL SYSTEM
Symptom Table
The diagnosis item number indicates the order of check. Start checking in the order from 1.
Shift lock system
Component Function Check
1.CHECK SHIFT LOCK OPERATION (PART 1)
Turn ignition switch ON.
Shift the selector lever to park “P” position.
Attempt to shift the selector lever to any oth ...
Periodic maintenance
CVT FLUID
Inspection
FLUID LEAKAGE
Check transaxle surrounding area (oil seal and plug etc.) for fluid
leakage.
If anything is found, repair or replace damaged parts and adjust
CVT fluid ...
Other materials:
FM/AM/SAT radio with compact disc (CD) player (Type B) (if so equipped)
For all operation precautions, see “Audio operation
precautions” in this section.
Audio main operation
ON-OFF button / VOL (volume) control
knob:
Place the ignition switch in the ACC or ON
position and press the ON-OFF button while the
system is off to call up the mode (radio, CD, AUX,
B ...
NISSAN Intelligent Key® (if so equipped)
Replace the battery in the Intelligent Key as follows:
Remove the mechanical key from the Intelligent
Key.
Insert a small screwdriver A into the slit B
of the corner and twist it to separate the
upper part from the lower part. Use a cloth to
protect the casing.
Replace the battery wi ...
DTC/Circuit diagnosis
U0073 COMMUNICATION BUS A OFF
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0073
COMM BUS A OFF
(Control Module Communication
Bus A Off)
TCM communication blockage lasts for 2 sec ...
