ELECTRIC POWER CONTROL SYSTEM, Diagnostic DTC:B22AC, B22AD

DTC Code DTC Name
B22AC Alternater Stop Power Generation
B22AD No Control for Power Generation of Alternator

DESCRIPTION

The electric power control ECU receives the ECM's generator control signal, compares the value with the battery current and battery voltage signals, and detects generator generation malfunctions.

DTC Code DTC Detection Condition Trouble Area
B22AC Generator generation stop is detected

  • SFI system

  • Generator
B22AD No generator generation control is detected

  • SFI system

  • Generator

WIRING DIAGRAM

A01GNHEE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK GENERATOR ASSEMBLY


    1. Check the generator for 1UR-FSE Click here or 1UR-FE Click here.

      Result
      Result Proceed to
      Charging system is normal (for 1UR-FSE) A
      Charging system is normal (for 1UR-FE) B
      Charging system is malfunctioning (1UR-FSE) C
      Charging system is malfunctioning (1UR-FE) D

    B

    GO TO SFI SYSTEM Click here

    C

    REPLACE GENERATOR ASSEMBLY Click here

    D

    REPLACE GENERATOR ASSEMBLY Click here

    A

    GO TO SFI SYSTEM Click here