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.
Main power supply and ground circuit
Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
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 >> G ...
Expansion valve
Removal and Installation
CAUTION:
Perform oil return operation before each refrigeration system disassembly.
However, if a large amount
of refrigerant or oil is detected, do not perform oil return operation. Refer to
HA "Perform Oil
Return Operation".
REMOVAL
Use refrigerant c ...