GSIC - Global Service Information Center

# FUEL FILTER > INSPECTION

## for Preparation Click here

1. INSPECT LEVEL WARNING SWITCH

1. Measure the resistance of the switch.

   Standard resistance:

     Tester Connection | Switch Condition | Specified Condition
     1 - 2 | ON | Below 1 Ω
     1 - 2 | OFF | 10 kΩ or higher

   If the result is not as specified, replace the fuel filter.

2. INSPECT CLOGGING SWITCH

1. Measure the resistance between the terminals.

   Standard resistance:
     Below 1 Ω at 20°C (68°F)
   If the result is not as specified, replace the fuel filter.