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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 227 (Engine Control System (2AZ-FE)) >> SFI System >> DTC P1602 Deterioration of Battery >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT BATTERY 
    1. Inspect the battery specific gravity.
      1. Check the specific gravity of each cell.

        Standard gravity: 

        1.25 to 1.29 at 20°C (68°F) 

    2. Inspect the battery voltage.
      1. After the vehicle is driven for 20 minutes, stop the engine.
      2. Turn the ignition switch ON, and turn on the headlights, blower fan and defogger for 1 minute.
      3. Turn the ignition switch OFF.
      4. Measure the battery voltage.

        Standard voltage: 

        9.6 V or more 

    NG: REPLACE BATTERY 

    OK: CHECK ECU POWER SOURCE CIRCUIT