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Alternator Performance Test

Special Tools Required 

Honda GR8 Battery Diagnostic Station with AST Module (12 Volt) MTRGR811ASTH* 

*: Available through the Honda Tool and Equipment Program 888-424-6857.

  1. PGM-FI system DTC check

    -1. Connect the HDS to the DLC .

    -2. Check for PGM-FI system DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC
         

    Are any DTCs indicated?

    YES 

    Go to the indicated DTC's troubleshooting.

    NO 

    Go to step 2.

  2. Alternator Test

    -1. Jump the SCS line with the HDS, and wait more than 1 minute.

    NOTE:  This step must be done to protect the PCM from damage.

    -2. Test the alternator with the Honda GR8 battery diagnostic station with AST module (12 Volt).

    NOTE:  For setup, customization, and other available features, refer to the GR8 user's manual.

    Is the result OK?

    YES 

    Intermittent failure, the system is OK at this time.

    NO 

    Replace the alternator  or repair the alternator .