Service Manual — page 631 of 715

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ELECTRICAL SYSTEM 16-71
Meter, Gauge, Indicator Unit

• Select the main display.
• display [B] changes
  By pushing  the upper button [A] each time, check that the
                      as follows.
○This display is ordinary indication.

 If the display function does not work, check the following
 parts.
   Upper Button (see Switch Inspection)
   Wiring (see Meter Unit Circuit)
 If the above parts is good, replace the meter unit.

• By pushing the lower button [A] each time, check that the
  display changes water temperature [B] and CLOCK [C].
 If the display function does not work, check the following
 parts.
   Lower Button (see Switch Inspection)
   Wiring (see Meter Unit Circuit)
 If the above parts is good, replace the meter unit.