B-1 Fuel Pump Circuit

Wiring Diagram:

Terminal Arrangement Of ECM(PCM) Coupler(Viewed From Harness Side):

CIRCUIT DESCRIPTION
Fuel pump relay is turned ON
- for 3 sec. after ignition switch is turned ON
- while start engine signal is inputted.
- while engine is running.

Step 1 - 3:

DTC TROUBLESHOOTING