3. Detect Malfunctioning Part

Check the following.

• Fuse block (J/B) No. 1 connector M1
• Fuse block (J/B) No. 2 connectors M143, M145
• Joint connector-19
• 15A fuses
• Harness for open or short between fuse and fuel pump relay

  : Repair open circuit or short to ground or short to power in harness or connectors.