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Home >> Mazda >> 2014 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check code 04

Check code 04

CODE INSPECTION CONDITION CHART

Check code 04 Door switch ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Open the driver-side door. (The door switch is on). on Close the driver-side door, then go to the next step.
oFF Verify that the voltage of instrument cluster terminal 2E 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:
    • Door switch
    • Wiring harness (Instrument cluster-Door switches)
2 Close all doors. (Door switches are off). on Verify that the voltage of instrument cluster terminal 2E is B+  .
  • If the voltage is as specified, replace the instrument cluster.
  • If the voltage is not as specified, inspect the following parts:
    • Door switch
    • Wiring harness (Instrument cluster-Door switches)
oFF Input signal to the instrument cluster is normal.
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