ELECTRIC POWER CONTROL SYSTEM, Diagnostic DTC:B22AE

DTC Code DTC Name
B22AE Open in Alternater Charge Line

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 charging line malfunctions.

DTC Code DTC Detection Condition Trouble Area
B22AE

Either of following conditions is detected:


  1. Disconnection of B terminal of generator is detected

  2. Open in IG circuit is detected

  • Generator

  • Wire harness

WIRING DIAGRAM

A01GMJXE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK GENERATOR ASSEMBLY (TERMINAL B)


    1. Check the generator's tightening torque value

      Standard torque
      Generator Standard torque
      Terminal 1 (B) 12 N*m (122 kgf*cm, 8.82 ft.*lbf)

    NG

    TIGHTEN GENERATOR ASSEMBLY (TERMINAL B)

    OK

  2. CHECK GENERATOR ASSEMBLY (IG INPUT VOLTAGE)

    A01GIE4E01

    1. Disconnect the E24 generator connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      E24-2 (IG) - Body ground Engine switch on (IG) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE PASSENGER SIDE JUNCTION BLOCK (ELECTRIC POWER CONTROL ECU)