Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Engine Control System Malfunction (C1280)

Toyota Corolla Cross (2022-2026) Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Dynamic Torque Control Awd System / 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
A

REPLACE 4WD ECU ASSEMBLY

B

GO TO ENGINE CONTROL SYSTEM

    READ NEXT:

     ABS Malfunction (C1296)

    DESCRIPTION When a malfunction has occurred in the speed sensor circuit or the yaw rate and acceleration sensor circuit, the 4WD ECU assembly stores DTC C1296. DTC No. Detect

     Steering Angle Sensor (C1297)

    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

     Linear Solenoid (C1298)

    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:

     Parts Location

    PARTS LOCATION ILLUSTRATION *A for 2WD - - *1 ECM *2 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 ENGINE ROOM JUNCTION BLOCK - IG2 NO. 1 RELAY - EFI-MAIN NO. 2 RELAY - INJ FUSE *3 FUEL TANK ASSEMBLY *4 FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEM

     Drive Mode Select Switch Circuit

    DESCRIPTION When the drive mode select switch (combination switch assembly) is operated, a switch signal is sent to the hybrid vehicle control ECU and the hybrid vehicle control ECU changes the drive mode. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING GTS (CAN BUS CHECK) Cl

    © 2020-2026 Copyright www.tcorollacross.com PT NL