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Home >> Mazda >> 2005 >> 6 s, 4D Hatchback, Automatic >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Inspection of Check Codes >> Check code 04 >> Diagnostic procedure

Diagnostic procedure

CHECK CODE 04 DIAGNOSTIC PROCEDURE

STEP INSPECTION INDICATION ACTION
1 Open driver-side door. (Door switch on.) on Close driver-side door, then go to next step.
off Measure voltage at instrument cluster terminal 1J.
Is voltage 0 V  ?
  • If as specified, replace instrument cluster.
  • If not as specified, inspect following parts.
    • Door switch
    • Wiring harness (Instrument Cluster-door switch)
2 Close driver-side door. (Door switch off.) on Measure voltage at instrument cluster terminal 1J.
Is voltage B+  ?
  • If as specified, replace instrument cluster.
  • If not as specified, inspect following parts.
    • Door switch
    • Wiring harness (Instrument Cluster-door switch)
off Input signal to instrument cluster is okay.
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