lemon-mirror:
Home >> Mazda >> 2018 >> 3 Touring, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Systems >> Relay And Fuse Block Removal/Installation >> Installation >> Notes

Relay And Fuse Block Removal/Installation: Installation: Notes

  1. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure below, and pull the wiring harness in the direction of the arrow (2) while pressing the stopper to detach the relay or fuse terminal from the stopper.
    Fig 1: Pulling Wiring Harness
    G09788471Courtesy of MAZDA MOTORS CORP.
  2. Relocate all relay and fuse terminals to the new relay and fuse block.
    CAUTION:
    • If terminals are installed incorrectly, it could damage electrical accessories and burn wiring harnesses. When relocating terminals after replacing the relay and fuse block, line up the relay and fuse blocks of old and news parts and always verify each of the wiring harnesses in the wiring diagram so that the installation positions are correct.
    Fig 2: Relay And Fuse Blocks
    G09788472Courtesy of MAZDA MOTORS CORP.
    • 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.
  3. Temporarily install the ground.
    Fig 3: Relay And Fuse Block Bolt
    G11467440Courtesy of MAZDA MOTORS CORP.
  4. Move the relay and fuse block middle cover in the direction of arrow shown in the figure below and insert the relay and fuse block tab into the relay and fuse block middle cover.
    Fig 4: Inserting Relay And Fuse Block Tab Into Relay And Fuse Block Middle Cover
    G11467441Courtesy of MAZDA MOTORS CORP.
  5. Insert all the relay and fuse block tabs into the relay and fuse block middle cover and install the relay and fuse block middle cover.
  6. Insert the front wiring harness connector into the relay and fuse block middle cover.
    Fig 5: Front Wiring Harness Connector
    G11467442Courtesy of MAZDA MOTORS CORP.
  7. Move the front wiring harness connector in the direction of arrow shown in the figure below to engage the front wiring harness connector tab with the relay and fuse block middle cover.
    Fig 6: Moving Front Wiring Harness Connector
    G11467443Courtesy of MAZDA MOTORS CORP.
  8. Install all the front wiring harness connectors to the relay and fuse block middle cover.
  9. Move the relay and fuse block lower cover in the direction of arrow shown in the figure below and insert the relay and fuse block middle cover tab into the relay and fuse block lower cover.
    Fig 7: Inserting Relay And Fuse Block Middle Cover Tab Into Relay And Fuse Block Lower Cover
    G11467444Courtesy of MAZDA MOTORS CORP.
  10. Insert all the relay and fuse block middle cover tabs into the relay and fuse block lower cover and install the relay and fuse block lower cover.
  11. Install the wiring harness clip to the relay and fuse block lower cover.
    Fig 8: Relay And Fuse Block Lower Cover Wiring Harness Clip
    G11467445Courtesy of MAZDA MOTORS CORP.
  12. Install the bands shown in the figure below.
    Fig 9: Relay And Fuse Block Band
    G11467429Courtesy of MAZDA MOTORS CORP.
  13. Insert the front wiring harness protector No. 2 into the stud bolt.
    Fig 10: Inserting Front Wiring Harness Protector Into Stud Bolt
    G11467447Courtesy of MAZDA MOTORS CORP.
  14. Insert the front wiring harness protector No. 2 cap into the stud bolt.
    Fig 11: Inserting Front Wiring Harness Protector Cap Into Stud Bolt
    G09788483Courtesy of MAZDA MOTORS CORP.
  15. Install the front wiring harness protector No. 2 clip to the engine mount.
    Fig 12: Front Wiring Harness Protector Clip
    G11467449Courtesy of MAZDA MOTORS CORP.
  16. Insert the relay and fuse block into the stud bolt.
    Fig 13: Inserting Relay And Fuse Block Into Stud Bolt
    G11467450Courtesy of MAZDA MOTORS CORP.
  17. Install the nut and bolt.
    Fig 14: Relay And Fuse Block Bolt With Torque Specifications
    G11467451Courtesy of MAZDA MOTORS CORP.
  18. Connect the emission wiring harness connectors.
    Fig 15: Emission Wiring Harness Connector
    G11467423Courtesy of MAZDA MOTORS CORP.
  19. Press the emission wiring harness into the relay and fuse block hook.
    Fig 16: Pressing Emission Wiring Harness Into Relay And Fuse Block Hook
    G11467453Courtesy of MAZDA MOTORS CORP.
  20. Remove the bolt temporarily tightened in Step  3 of [INSTALLATION].
  21. Install the multiplex slow blow fuse. (See MULTIPLEX SLOW BLOW FUSE REMOVAL/INSTALLATION .)
  22. Install the front body control module (FBCM). (See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION .)
  23. Install the relay and fuse block upper cover.
  24. Install the parts removed in Steps  2 and  3 in "REMOVAL". (See REMOVAL .)
  25. Perform the "Verify Relay and Fuse Block Replacement". (See Verify relay and fuse block replacement .)
  26. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)