Diagnosis procedure
1.Check connector
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector.
2.Check harness continuity (open circuit)

Is the inspection result normal? Yes >> go to 3.
No >> repair the main line between the ipdm e/r and the harness connector e4.
3.Check harness continuity (open circuit)
Check the continuity between the harness connector and the data link connector.

Is the inspection result normal? Yes (present error)>>check can system type decision again.
Yes (past error)>>error was detected in the main line between the ipdm e/r and the data link connector.
No >> repair the main line between the harness connector m2 and the data link connector.
Can system (type 1)
Ecm branch line circuitElectric ignition system
ELECTRIC IGNITION SYSTEM : System Description
SYSTEM DIAGRAM
*1: CVT models
*2: M/T models
Input/output signal chart
Sensor
Input Signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*3
Piston position
Ignition ...
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 CONFIRMATIO ...
The illumination control switch is inoperative
Description
If any of the following malfunctions is found for the illumination control
switch operation.
All switches are inopera
The specified switch cannot be operated
Diagnosis procedure
1.Check illumination control switch signal circuit
Check the illumination control switch signal ...