water sedimenter switch inspection (4JJ3 without DPD)

1. Water sedimenter switch inspection

1) Connect the connector to the water sedimenter switch.

2) Turn ON the ignition switch.

3) Turn the element case upside down, and move the float.

4) Check whether the warning light in the instrument panel cluster illuminates.

Caution

If the warning light does not illuminate, inspect the continuity of the water sedimenter switch.

1) Turn the element case upside down, and move the float.

2) Make sure there is continuity between the terminals of the water sedimenter switch connector using a DMM.

3) Disconnect the connector from the water sedimenter switch.

4) Verify that the warning light on the sedimenter illuminates when connected between the connector terminals on the vehicle side.

Note

At this time, the circuit is normal if the sedimenter warning light lights up.
If a malfunction is found, replace the water sedimenter switch or repair poor connections or open circuits between the circuits.

Legend