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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 31 >> Diagnostic procedure

Diagnostic procedure

CHECK CODE 31 DIAGNOSTIC PROCEDURE

STEP INSPECTION INDICATION ACTION
1 Remove key from steering lock and then insert key into steering lock after selecting check code 31. (Key reminder switch on.) on Go to next step.
off Measure voltage at instrument cluster terminal 2B.
Is voltage B+  ?
  • If as specified, replace instrument cluster.
  • If not as specified, replace following parts.
    • Key reminder switch
    • Wiring harness (Battery-key reminder switch-instrument cluster)
2 Remove key from steering lock (Key reminder switch off.) on Measure voltage at instrument cluster terminal 2B.
Is voltage 0 V  ?
  • If as specified, replace instrument cluster.
  • If not as specified, inspect following parts.
    • Key reminder switch
    • Wiring harness (Battery-key reminder switch-instrument cluster)
off Input signal to instrument cluster is okay.
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