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Home >> Mazda >> 2024 >> CX-90 PHEV Preferred >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Systems >> Relay And Fuse Block Removal/Installation >> Perform Verification After Relay And Fuse Block Replacement
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Perform Verification After Relay And Fuse Block Replacement

  1. Temporarily connect the negative lead-acid battery terminal and verify that the related wiring harness is not heated.
  2. Switch the main power ON (READY off).
  3. Verify that a fuse is not blown and the related wiring harness is not heated.
  4. Inspect for DTCs.
    • If a DTC is displayed, repair the malfunctioning location according to the applicable DTC troubleshooting.
      • After completion of repairs, clear all DTCs stored in the module.
  5. If there is no malfunction in Steps 1, 3 and 4, switch the main power ON (READY ON).
  6. Operate all the switches of the interior/exterior lights of the vehicle and verify that all the light bulbs turn on or flash.
  7. Operate the audio, A/C, wiper switch, and the selector lever and verify that they are all operating normally.
  8. Switch to Sport mode and start the engine.
  9. Shift the selector lever to the P position and race the engine at approx. 3, 000 rpm from idle to verify that there is no malfunction.
  10. Perform a road test to verify that there are no low speed, acceleration and shift-up, shift-down malfunctions.