Nissan Sentra Service Manual: P0863 TCM Communication
DTC Logic
DTC DETECTION LOGIC
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | Possible causes |
| P0863 | TCM COMMUNICATION (TCM Communication Circuit) | An error is detected at the initial CAN diagnosis of TCM. | TCM |
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
- Turn ignition switch ON.
- Check the DTC.
Is “P0863” detected? YES >> Go to TM-198, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK INTERMITTENT INCIDNT
Refer to GI-39, "Intermittent Incident".
Is the inspection result normal? YES >> Replace the TCM. Refer to TM-263, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
P0890 TCM
DTC Logic
DTC DETECTION LOGIC
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | Possible causes |
| P0890 | TCM (Transmission Control Module Power Relay Sense Circuit Low) | The battery voltage supplied to the TCM is
less than 8.4 V continuously for 200 msec or
more under the following diagnosis condition: Diagnosis condition
|
|
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
- Start the engine and wait for 5 seconds or more.
- Check the DTC.
Is “P0890” detected? YES >> Go to TM-199, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK TCM POWER SUPPLY (BACK-UP) CIRCUIT
- Turn ignition switch OFF.
- Disconnect TCM connector.
- Check voltage between TCM harness connector terminals and ground.
Is the inspection
result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK INTERMITTENT INCIDENT
Refer to GI-39, "Intermittent Incident".
Is the inspection result normal? YES >> Replace the TCM. Refer to TM-263, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
3.DETECT MALFUNCTIONING ITEMS
Check the following items:
- Open or short circuit of harness between battery positive terminal and
TCM connector terminals 45 and 46.
Refer to PG-8, "Wiring Diagram — Battery Power Supply —"
- 10A fuse (No.25, fuse and fusible link block). Refer to PG-48, "Terminal Arrangement".
- 10A fuse (No.28, fuse and fusible link block). Refer to PG-48, "Terminal Arrangement".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
P0846 Transmission fluid pressure SEN/SW B
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0846
TRANSMISSION FLUID
PRESSURE SEN/SW ...
P0962 Pressure control solenoid A
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0962
PRESSURE CONTROL SOLENOID
A
(Pre ...
Other materials:
System description
Component parts
Component parts location
Front tweeter LH
Steering switches
Audio unit
Front tweeter RH
Microphone
Front door speaker LH
Front door speaker RH
Rear door speaker LH
Rear door speaker RH
Rear woofer RH
Rear woofer LH
Antenna amp.
Satellite antenna
Win ...
B terminal circuit
Description
“B” terminal circuit supplies power to charge the battery and to operate the
vehicles electrical system.
Diagnosis procedure
Regarding wiring diagram information. Refer to chg-9, "wiring diagram".
1.Check “b” terminal connection
Turn ignition switc ...
Drinking alcohol/drugs and driving
WARNINGNever drive under the influence of alcohol
or drugs. Alcohol in the bloodstream reduces
coordination, delays reaction time
and impairs judgement. Driving after
drinking alcohol increases the likelihood
of being involved in an accident injuring
yourself and others. Add ...
