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:
Basic inspection
Diagnosis and repair workflow
Work Flow (With GR8-1200 NI)
STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI
To test the starting system, use the following special service tool:
GR8-1200 NI Multitasking battery and electrical diagnostic station
NOTE:
Refer to the diagnostic station Instruction M ...
Symptom diagnosis
Audio system
Symptom table
Related to audio
Related to hands-free phone
Before performing diagnosis, confirm that the cellular phone being used
by the customer is compatible with
the vehicle.
It is possible that a malfunction is occurring due to a version change
of the p ...
Interior room lamp control circuit
Description
Controls each interior room lamp (ground side) by pwm signal.
Note:
Pwm signal control period is approximately 250 hz (in the gradual
brightening/dimming).
Component function check
Caution:
Before performing the diagnosis, check that the following are normal.
Interior room l ...
