FixVault

Check code 04

CHECK CODE 04 CHART

Check code 04 TNS relay ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Turn the headlight switch to the TNS position. (TNS relay ON)
G04317567
Go to the next step.
G04317568
Verify that the voltage of information display terminal C is B+  .
  • If the voltage is as specified, replace the information display.
  • If the voltage is not as specified, inspect the following parts:
    • TNS relay
    • Wiring harness (Battery-TNS relay-information display)
2 Turn the headlight switch off. (TNS relay OFF)
G04317569
Verify that the voltage of the information display terminal C is 1.0 V or less  .
  • If the voltage is as specified, replace the information display.
  • If the voltage is not as specified, inspect the following parts:
    • TNS relay
    • Wiring harness (TNS relay-information display)
G04317570
Input signal to the information display is normal.