Toyota Corolla Cross: Engine Control System Malfunction (C1280)
DESCRIPTION
When a malfunction has occurred in the SFI system circuit, the 4WD ECU assembly
stores DTC C1280.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
C1280
|
Engine Control System Malfunction
|
SFI system malfunction information is received by the ECM for 5 seconds
or more.
|
- Engine control system
- 4WD ECU assembly
|
PROCEDURE
1.
|
CHECK FOR DTC (SFI SYSTEM)
|
(a) Check if the SFI system DTC is output.
Powertrain > Engine > Trouble Codes
Result
|
Proceed to
|
SFI system DTC is not output
|
A
|
SFI system DTC is output
|
B
|
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acceleration sensor circuit, the 4WD ECU assembly stores DTC C1296.
DTC No.
Detect
DESCRIPTION
The 4WD ECU assembly receives signals from the steering sensor, and thereby detects
the steering angle of the steering wheel assembly to determine when the vehicle
is turning.
When a
DESCRIPTION
Based on the signals from each sensor, the 4WD ECU assembly controls the transmitted
torque of the 4WD linear solenoid (transmission coupling assembly). This enables
driving force dis
SEE MORE:
■ Driving support system
information
Select to display the operational
status of the following systems:
Dynamic radar cruise control
LTA (Lane Tracing Assist)
LDA (Lane Departure Alert)
■ Navigation system-linked
display (if equipped)
Select to display the following
navigation system-linked
DESCRIPTION The power distribution box assembly controls the instrument panel illuminations. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the main body ECU (mult