DESCRIPTION
The circuit sends TRAC, A-TRAC and VSC control information from the skid control ECU (master cylinder solenoid) to the ECM, and engine control information from the ECM to the skid control ECU (master cylinder solenoid) via the CAN communication system.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1203 |
Information relating to engine drive source or destination stored in ECM does not match that stored in skid control ECU (master cylinder solenoid). |
|
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Select CAN Bus Check from the System Selection Menu screen and follow the prompts on the screen to inspect the CAN bus (See page ).
OK:
CAN Bus Check indicates no malfunctions in CAN communication.
NG |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
2. |
CHECK DTC (SFI SYSTEM) |
(a) Check if any DTC is recorded for the SFI system (See page ).
Result
Result |
Proceed to |
---|---|
DTC is output |
A |
DTC is not output |
B |
A |
GO TO SFI SYSTEM |
B |
REPLACE ECM |
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL REAR BUMPER SIDE STAY LH
(a) Install the rear bumper side stay LH with the 2 bolts.
Torque:
30 N·m {306 kgf·cm, 22 ft·lbf}
2. INSTALL REAR BUMPER SIDE STAY RH
HINT:
Use the same procedure as for ...
Confirm Vehicle Headunit Functionality
PROCEDURE
1.
CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY
(a) Go to TIS "Bluetooth" Compatibility Portal and check if the cellular phone
is compatible.
Result
Result
Proceed to
Cellular phone is compatible
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT AIRBAG ASSEMBLY LH (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check (See page
).
(b) With the front seat airbag assembly LH installed on the vehicle, perfor ...