Nissan Sentra Service Manual: 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 condition | Probable malfunction location |
| B2268 | Water temp meter [b2268] | Ecm continuously transmits abnormal engine coolant temperature signals for 60 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".
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 ...
Power supply and ground circuit
Combination meter
COMBINATION METER : Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".
1.Check fuses
Check that the following fuses are not bl ...
Other materials:
Basic inspection
Diagnosis and repair workflow
Work Flow
Overall sequence
Detailed flow
1.Get information for symptom
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred).
>> GO TO 2.
2.Confirm the symptom
Try t ...
Multiport Fuel Injection System or Engine Control System
Before connecting or disconnecting any harness connector for the
multiport fuel injection system or ECM:
Turn ignition switch to “OFF” position.
Disconnect negative battery terminal.
Otherwise, there may be damage to ECM.
Before disconnecting pressurized fuel line from ...
Symptom diagnosis
The sport mode indicator lamp does not turn on
Description
The sport mode indicator lamp does not turn on when the sport mode switch is
operated.
Diagnosis procedure
1.Perform combination meter on board diagnosis
Perform combination meter on board diagnosis. Refer to mwi-16, "descriptio ...
