DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 122 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0190-P0220)) >> SFI System >> DTC P0201-13: Cylinder 1 Injector "A" Circuit Open; DTC P0202-13: Cylinder 2 Injector "A" Circuit Open; DTC P0203-13: Cylinder 3 Injector "A" Circuit Open; DTC P0204-13: Cylinder 4 Injector "A" Circuit Open; DTC P062D-13: Fuel Injector Driver Circuit Performance Bank 1 Circuit Open [11/2023 - ] >> Monitor Description

Monitor Description

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The fuel injection sequence occurs in numerical order from No. 1 to No. 4.

The ECM monitors the Injector Driver (EDU) at all times. If drivers or direct fuel injector assembly is malfunctioning, the EDU sends direct fuel injector assembly operation condition signals (fail signals) to the ECM. When the ECM receives the signals, the ECM stops the fuel injection control of the appropriate cylinders, cuts voltage to the appropriate D INJ relay, and illuminates the MIL.

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