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 |
Proceed to |
---|---|
DTC is output |
A |
DTC is not output |
B |
A | ![]() |
GO TO SFI SYSTEM |
B | ![]() |
REPLACE ECM |
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
modes, always check and make a note of DTCs and freeze frame data.
HINT:
DTCs which are sto ...
Fail-safe Chart
FAIL-SAFE CHART
1. PULSE FAILURE OR DISPLACEMENT OF NON-DETECTION RANGE TO THE OPENING DIRECTION
(a) If the pulse sensor built into the power window regulator motor malfunctions,
the power window control system enters fail-safe mode.
Power Window Regulator Master Switch Assembly, Front Power Wi ...
P/W Master Switch Communication Stop (B1206)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
master switch assembly and main body ECU (multiplex network body ECU) stops for
10 seconds or more.
DTC No.
DTC Detection Condition
Trouble Area
B1206
...