SONAR SWITCH CHECK


ON/OFF CHECK

Switch position
 Terminal number
 Normal condition
ON (switch pushed)
 10 - 13
 Continuity exists (2 Ω or less)
OFF (switch released)
 No continuity

INDICATOR CHECK
Apply the battery voltage to the connector terminal No. 9, earth the terminal No. 14, and then check that the indicator illuminates.

ILLUMINATION CHECK
Apply the battery voltage to the connector terminal No. 11, earth the terminal No. 12, and then check that the illuminates.