Fuel Pump Circuit Troubleshooting
  1. Turn the ignition switch to ON (II), and measure the voltage between fuel tank unit 4P connector terminal No. 2 and body ground.
Is there battery voltage?
YES -
Replace PGM-FI main relay 2 .■
NO -
  • Repair open in the wire between the driver's under-dash fuse/relay box (D10) and the fuel tank unit 4P connector.■
  • If the wire is OK, replace the driver's under-dash fuse/relay box.
  1. Turn the ignition switch to LOCK (0).