1.CHECK COMBINATION METER INPUT SIGNAL

1. Turn the ignition switch ON.
2. Check the voltage between the combination meter harness connector and the ground.

   Probe | Measuring condition | Voltage (Approx.)
   (+) | (-)
   Combination meter
   Connector | Terminal | Ground | Washer level switch ON | 0 V
   M53 | 33 | Washer level switch OFF | 5 V

Is the inspection result normal?
YES>>INSPECTION END
NO>>GO TO 2.
2.CHECK WASHER LEVEL SWITCH CIRCUIT

1. Turn the ignition switch OFF.
2. Disconnect the connectors of combination meter and washer level switch.
3. Check for continuity between the combination meter harness connector and the washer level switch harness connector.

   Combination meter | Washer level switch | Continuity
   Connector | Terminal | Connector | Terminal
   M53 | 33 | E30 | 1 | Existed

4. Check for continuity between the combination meter harness connector and the ground.

   Combination meter | Ground | Continuity
   Connector | Terminal
   M53 | 33 | Not existed

Is the inspection result normal?
YES>>INSPECTION END
NO>>Repair the harnesses or connectors.