POWER DOOR LOCK CONTROL SYSTEM DIAGNOSIS SYSTEM


  1. CHECK DLC3


    1. Check the DLC3 Click here.

  2. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage.

      Tech Tips

      A simple method to determine whether the auxiliary battery is discharged is to operate the horn.


      • If the voltage is below 11 V, recharge or replace the auxiliary battery.