DTC Logic
DTC DETECTION LOGIC
| DTC | Trouble diagnosis name | DTC detection condition | Possible causes |
| P0863 | TCM Communication Circui | 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
With CONSULT
Is "P0863" detected?
YES >> Go to TM "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK INTERMITTENT INCIDNT
Refer to GI "Intermittent Incident".
Is the inspection result normal?
YES >> Replace TCM. Refer to TM "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
Variable voltage control system (if so equipped)
CAUTION
Do not ground accessories directly to
the battery terminal. Doing so will bypass
the variable voltage control system
and the vehicle battery may not
charge completely.
Use electrical accessories with the engine
running to avoid discharging the
vehicle battery.
Your v ...
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...