Nissan Sentra Service Manual: C1609 Vehicle speed signal
DTC Logic
Dtc detection logic
| DTC | Display item | Malfunction detected condition | Possible cause |
| C1609 | CAN VHCL SPEED |
|
|
Dtc confirmation procedure
1.PRECONDITIONING
If dtc confirmation procedure has been previously conducted, always turn ignition switch off and wait at least 10 seconds before conducting the next test.
>> Go to 2.
2.Dtc reproduction procedure
With consult
-
Turn the ignition switch OFF to ON.
-
Perform EPS self-diagnosis.
Is DTC c1609 detected? Yes >> proceed to diagnosis procedure. Refer to stc-29, "diagnosis procedure".
No >> inspection end.
Diagnosis Procedure
1.Perform abs actuator and electric unit (control unit) self-diagnosis
With consult
-
Turn the ignition switch off to on.
-
Perform ABS self-diagnosis.
Is any dtc detected? Yes >> check the dtc. Refer to stc-14, "dtc index".
No >> go to 2.
2.CHECK TERMINALS AND HARNESS CONNECTORS
Check eps control unit pin terminals for damage or loose connection with harness connector.
Is the inspection result normal? Yes >> go to 3.
No >> repair or replace the malfunctioning parts.
3.Perform self-diagnosis
With consult
Perform EPS self-diagnosis.
Is dtc c1609 detected? Yes >> replace eps control unit. Refer to stc-39, "removal and installation".
No >> check intermittent incident. Refer to gi-39, "intermittent incident".
C1607, C1608 EPS Control unit
DTC Logic
DTC DETECTION LOGIC
Dtc
Display item
Malfunction detected condition
Possible cause
C1607
EEPROM
When the memory (EEPROM) system malfunction is
detected in ...
U1000 CAN Comm circuit
Description
Can (controller area network) is a serial communication line for
real time application. It is an on-vehicle multiplex
communication line with high data communication speed and excellen ...
Other materials:
Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
Fuel gauge
NOTE:
The ignition switch must be placed in the
ON position for the gauge to give a reading.
The gauge indicates the approximate fuel level
in the tank.
The gauge may move slightly during braking,
turning, acceleration, or going up or down hills.
The low fuel warning light comes on when ...
Vehicle security system (if so equipped)
The vehicle security system provides visual and
audible alarm signals if someone opens the doors
when the system is armed. It is not, however, a
motion detection type system that activates when
a vehicle is moved or when a vibration occurs.
The system helps detect vehicle theft but cannot
prev ...
