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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 635 (INSTRUMENTATION/DRIVER INFO)INSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODECHECK CODE INSPECTIONCHECK CODE 55
2008 Mazda 6 s Sport, 4D Hatchback, Standard

Check code 55

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Check code 55
WARNING: This page is about a different car, the 2008 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 55 INSPECTION

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)
G04564702Courtesy of MAZDA MOTORS CORP.
 Go to the next step.
G04564703Courtesy of MAZDA MOTORS CORP.
 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)
G04564704Courtesy of MAZDA MOTORS CORP.
 Verify that the voltage of the instrument cluster terminal 2U is 1.0V or less. 
  • 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)
G04564705Courtesy of MAZDA MOTORS CORP.
 Input signal to the instrument cluster is normal.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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