Nissan Sentra Service Manual: B2267 engine speed
Description
The engine speed signal is transmitted from ecm to the combination meter via can communication.
Dtc logic
Dtc detection logic
| Dtc | Consult | Detection condition | Possible malfunction location |
| B2267 | Tacho meter [b2267] | ECM continuously transmits abnormal engine speed signals for 2 seconds or more |
|
Diagnosis procedure
1.Perform self-diagnosis of ecm
Perform self diagnostic result of ecm, and repair or replace malfunctioning parts.
>> Refer to ec-66, "consult function".
B2205 vehicle speed
Description
The abs actuator and electric unit (control unit) provides a vehicle speed
signal to the combination meter via
can communication lines.
DTC Logic
Dtc detection logic
Dtc
...
B2268 water temp
Description
The engine coolant temperature signal is transmitted from ecm to the
combination meter via can communication.
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condit ...
Other materials:
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
CAN (Controller Area Network) is a serial communication system for real time
application. It is an on-vehicle
multiplex communication system with high data communication speed and excellent
error detection ability.
Many electronic control units are equip ...
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custome ...
Engine block heater (if so equipped)
Engine block heaters are used to assist with cold
temperature starting.
The engine block heater should be used when
the outside temperature is 20°F (-7°C) or lower.
WARNING
Do not use your engine block heater
with an ungrounded electrical system or
a 2-pronged adapter. You ...
