Measure the resistance between terminals No. 3 and No. 4 in each switch position according to the table.
Position
Resistance
NEXT ()
About 33 ?
SEL/RESET
About 1,043 ?
PREVIOUS ()
About 363 ?
2.
If the resistance is not as specified, replace the select/reset/information switch (A).
3.
Check the select/reset/information switch light by connecting battery power to terminal No. 2 (or No. 1) and ground to terminal No. 5 (or No. 6). The select/reset/information switch light should come on.