LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Power Systems) >> Relay And Fuse Block Removal/Installation >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Relay And Fuse Block Removal/Installation: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  2. Remove the air cleaner assembly. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  3. Remove the battery and the battery tray. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  4. While pressing the relay and fuse block upper cover hook in the direction of the arrow (1) shown in the figure, lift up the relay and fuse block upper cover in the direction of the arrow (2) to detach the relay and fuse block upper cover hook from the relay and fuse block middle cover tab.
    Fig 1: Pressing Relay And Fuse Block Upper Cover Hook
    G10939613Courtesy of MAZDA MOTORS CORP.
  5. Remove the relay and fuse block upper cover.
  6. Remove all the relays and fuses.
    CAUTION:
    • If the relay and fuse block is removed with the relays and fuses installed, the area around the relay and fuse block may contact the relays or fuses and damage the them. Before removing the relay and fuse block, remove all the relays and fuses.
  7. Remove the front body control module (FBCM). (See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION .)
  8. While pressing the relay and fuse block hook in the direction of the arrow (1) shown in the figure, set the emission wiring harness away from the relay and fuse block hook.
    Fig 2: Setting Emission Wiring Harness Away From Relay And Fuse Block Hook
    G10939614Courtesy of MAZDA MOTORS CORP.
  9. Disconnect the emission wiring harness connectors.
    Fig 3: Disconnecting Emission Wiring Harness Connectors
    G10939615Courtesy of MAZDA MOTORS CORP.
  10. Remove the nut and bolt.
    Fig 4: Identifying Relay And Fuse Block Bolts With Torque Specifications
    G10939616Courtesy of MAZDA MOTORS CORP.
  11. Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure.
    Fig 5: Identifying Service Hole
    G10939617Courtesy of MAZDA MOTORS CORP.
  12. While pressing the clip tab of the relay and fuse block in the direction of the arrow (1) shown in the figure, pull the clip in the direction of the arrow (2) to detach the clip tab from the engine mount.
    Fig 6: Pressing Relay And Fuse Block Clip Tab
    G10939618Courtesy of MAZDA MOTORS CORP.
  13. Pull out the relay and fuse block from the stud bolt and set it aside as shown in the figure.
    Fig 7: Pulling Out Relay And Fuse Block From Stud Bolt
    G10939619Courtesy of MAZDA MOTORS CORP.
  14. While pressing the clip tabs of front wiring harness protector No. 2 in the direction of the arrows (1) shown in the figure, pull the clip in the direction of the arrow (2) shown in the figure to detach the clip tabs from the engine mount.
    Fig 8: Pressing Front Wiring Harness Protector Clip Tabs
    G10939620Courtesy of MAZDA MOTORS CORP.
  15. Remove the front wiring harness protector No. 2 clip.
  16. Lift up the front wiring harness protector No. 2 cap in the direction of the arrow (1) shown in the figure.
    Fig 9: Lifting Up Front Wiring Harness Protector
    G10939621Courtesy of MAZDA MOTORS CORP.
  17. Pull out front wiring harness protector No. 2 from the stud bolt and set it aside as shown in the figure.
    Fig 10: Pulling Out Front Wiring Harness Protector
    G10939622Courtesy of MAZDA MOTORS CORP.
  18. Cut the band shown in the figure.
    Fig 11: Identifying Relay And Fuse Block Band
    G10939623Courtesy of MAZDA MOTORS CORP.
  19. Insert a flathead screwdriver into the gap between the relay and fuse block middle cover tabs and the relay and fuse block lower cover as shown in the figure.
    Fig 12: Identifying Relay And Fuse Block Middle Cover Tabs
    G10939624Courtesy of MAZDA MOTORS CORP.
  20. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, pull down the relay and fuse block lower cover in the direction of the arrow (2) shown in the figure, and detach the relay and fuse block middle cover tabs from the relay and fuse block lower cover.
    Fig 13: Pulling Down Relay And Fuse Block Lower Cover
    G10939625Courtesy of MAZDA MOTORS CORP.
  21. Detach all the relay and fuse block middle cover tabs from the relay and fuse block lower cover, and remove the relay and fuse block lower cover from the relay and fuse block middle cover. (See RELAY AND FUSE BLOCK LOWER COVER INSTALLATION NOTE .)
  22. While pressing the wiring harness clip tabs in the direction of the arrows (1) shown in the figure, push out the clip in the direction of the arrow (2) shown in the figure to detach the clip tabs from the relay and fuse block.
    Fig 14: Pressing Wiring Harness Clip Tabs
    G10939626Courtesy of MAZDA MOTORS CORP.
  23. Insert a flathead screwdriver into the service hole in the position shown in the figure.
    Fig 15: Identifying Relay And Fuse Cover Middle Cover Service Hole
    G10939627Courtesy of MAZDA MOTORS CORP.
  24. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, lift up the front wiring harness connectors in the direction of the arrow (2) shown in the figure, and detach the connector tabs from the relay and fuse block middle cover.
    Fig 16: Detaching Connector Tabs From Relay And Fuse Block Middle Cover
    G10939628Courtesy of MAZDA MOTORS CORP.
  25. Move the front wiring harness connector in the direction of the arrow (1) shown in the figure, release the hook, and pull it out from the relay and fuse block middle cover.
    Fig 17: Removing Front Wiring Harness Connector
    G10939629Courtesy of MAZDA MOTORS CORP.
  26. Insert the flathead screwdriver into the gap between the relay and fuse block middle cover and the relay and fuse block shown in the figure.
    Fig 18: Identifying Relay And Fuse Block Holes
    G10939630Courtesy of MAZDA MOTORS CORP.
  27. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, pull up the relay and fuse block middle cover in the direction of the arrow (2) shown in the figure, and detach the relay and fuse block tabs from the relay and fuse block middle cover.
    Fig 19: Pulling Up Relay And Fuse Block Middle Cover
    G10939631Courtesy of MAZDA MOTORS CORP.
  28. Remove the bolt.
    Fig 20: Identifying Relay And Fuse Block Bolt With Torque Specifications
    G10939632Courtesy of MAZDA MOTORS CORP.
  29. Remove the ground.
  30. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, pull the wiring harness in the direction of the arrow (2) while pressing the stopper, and detach the relay or fuse terminal from the stopper.
    Fig 21: Detaching Relay From Stopper
    G10939633Courtesy of MAZDA MOTORS CORP.
  31. Remove the relay or fuse terminal.
    CAUTION:
    • A terminal disconnection could cause electronic components and the system to not operate normally due to poor contact. After terminal relocation, lightly pull the wiring harnesses to verify that they cannot be pulled out.
    NOTE:
    • For terminal relocation, line up the relays and fuse blocks of the old and news parts and always verify each of the wiring harnesses in the wiring diagram.
    Fig 22: Identifying Relay And Fuse Blocks
    G10939634Courtesy of MAZDA MOTORS CORP.
  32. Install in the reverse order of removal.
  33. Perform verify relay and fuse block replacement. (See VERIFY RELAY AND FUSE BLOCK REPLACEMENT .)
scientia non olet · About LEMON Manuals