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Home >> Mazda >> 2005 >> RX-8 Sport, 1.3 N >> Repair and Diagnosis (Single Page) >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check code 55

Check code 55

CHECK CODE 55 DIAGNOSTIC PROCEDURES

Check code 55 Dimmer switch ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 After selecting the check code 55, turn the panel light control switch toward bright until a click is heard. (Dimmer switch on) on Go to the next step.
OFF Verify that the voltage of the instrument cluster terminal 2U is B+.
 
  • If the voltage is as specified, replace the instrument cluster.
  • If the voltage is not as specified, inspect the following parts:
    • Panel light control switch.
    • Wiring harness (Battery-panel light control switch - instrument cluster)
2 Turn the panel light control switch toward dark until a click is heard. (Dimmer switch off) on Verify that the voltage of the instrument cluster terminal 2U is 1.0 V or less.
  • If the voltage is as specified, replace the instrument cluster.
  • If the voltage is not as specified, inspect the following parts:
    • Pane1 light control switch.
    • Wiring harness (Battery-panel light control switch - instrument cluster)
OFF Input signal to the instrument cluster is normal.
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