Indicator lights up If the result is not as specified, replace the heater control base.
(c) Check the illumination operation.
(1) Connect the positive (+) lead from the battery to terminal 5 (ILL+) and the negative (-) lead to terminal 6 (ILL-), then check that the bulb illuminates. Standard:
Bulb illuminates If the result is not as specified, replace the bulb.
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