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:
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 excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, an ...
Headlamp (lo) circuit
Description
The ipdm e/r (intelligent power distribution module engine room) controls the
headlamp low relay based on
inputs from the bcm over the can communication lines. When the headlamp low
relay is energized, power
flows through fuses 43 and 44, located in the ipdm e/r. Power then flows ...
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 to ...
