2012 Mazda 5 TouringFACTORY OEM SERVICE PROCEDURE

Check code 04

Inspection item Step Inspection Display Action
Light switch OFF/TNS input signal 1 Turn light switch to TNS position
G08153585
The input signal is normal.
Go to the next step.
G08153586
Go to Step 3.
2 Switch light switch off
G08153587
Go to Step 4.
G08153588
The input signal to the information display is normal.
3 Inspect the information display.Β  Yes
  • Replace the information display.
No
  • Inspect for an open or short circuit in the light switch related wiring harness, poor connection or terminal disconnection of the connector.
  • If there is any malfunction, repair or replace the malfunctioning location.
4 Inspect the information display.Β  Yes
  • Replace the information display.
No
  • Inspect for an open or short circuit in the light switch related wiring harness, poor connection or terminal disconnection of the connector.
  • If there is any malfunction, repair or replace the malfunctioning location.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.