LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2017 >> 86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery / Charging System - Diagnostics Codes >> Charging System >> DTC P0A3B: Generator Over Temperature [06/2016 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0A3B: Generator Over Temperature [06/2016 - ]: Procedure

  1. CHECK GENERATOR ASSEMBLY 
    1. Turn the ignition switch off.
    2. Check for foreign material clogged in the generator assembly outlet.

      OK

      There is not clogging.

    Result: 

    NG 

    REMOVE ANY CLOGGED FOREIGN MATERIAL AND LEAVE THE ALTERNATOR AS IT IS FOR APPROXIMATELY 20 MINUTES TO COOL IT DOWN. 

    Result: 

    OK 

    See step  2

  2. CHECK CHARGE WARNING LIGHT 
    1. Turn the ignition switch off.
    2. Leave the alternator as it is for approximately 20 minutes.
    3. Check that the charge warning light comes on.

      OK

      The charge warning light does not come on.

    Result: 

    OK 

    REPLACE GENERATOR ASSEMBLY. Refer to  REMOVAL [06/2016 - ] 

    Result: 

    NG 

    CHECK FOR FOREIGN MATERIAL CLOGGED IN THE ALTERNATOR OUTLET OR SURROUNDING AREA. TEMPORARY ALTERNATOR OVERHEAT OCCURRED, BUT IT IS RETURNED TO NORMAL NOW.