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Home >> Mazda >> 2006 >> MX-5 Miata Base >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check Code 04
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Check Code 04

CHECK CODE 04

Check code 04 Door switch ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Open the front driver-side door. (The door switch is on.)
G04323840Courtesy of MAZDA MOTORS CORP.
 Close the front driver-side door, then go to the next step.
G04323841Courtesy of MAZDA MOTORS CORP.
 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 switch)
2 Close all doors. (Door switches are off.)
G04323842Courtesy of MAZDA MOTORS CORP.
 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 switch)
G04323843Courtesy of MAZDA MOTORS CORP.
 Input signal to the instrument cluster is normal.
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