LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2003 >> MPV ES >> Repair and Diagnosis >> External Pages >> Different car >> Section 467 (Instrumentation/Driver Info) >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check code 08
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check code 08

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 08 DIAGNOSTIC PROCEDURES

Check code 08 Door switch ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Turn the headlight switch to the TNS position. (TNS relay ON) on Go to the next step.
OFF Verify that the voltage of instrument cluster terminal 1 B is B+.
  • If the voltage is as specified, replace the instrument cluster.
  • If the voltage is not as specified, inspect the following parts:
    • TNS relay
    • Wiring harness (Battery-TNS relay-instrument cluster)
2 Turn the headlight switch off. (TNS relay OFF) on Verify that the voltage of the instrument cluster terminal 1 I3 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:
    • TNS relay
    • Wiring harness (TNS relay-instrument cluster)
OFF Input signal to the instrument cluster is normal.
scientia non olet · About LEMON Manuals