Fuel Pump & Fuel Pump Circuit Check
Fuel Pump Circuit Schematic:
A faulty fuel pump relay does not set a trouble code in the on-board diagnostic system. Refer to the schematic diagram and test the system with the diagnostic chart.
Wire color code identification:
L: Blue
B: Black
Y: Yellow
G: Green
R: Red
W: White
Br: Brown
Lg: Light green
Gr: Gray
Fuel Pump Circuit Diagnostic Chart (a):
Fuel Pump Circuit Diagnostic Chart (b):
Fuel Pump Diagnostic Chart (c):
Fuel Pump Circuit Diagnostic Chart (d):
FUEL PUMP RELAY DIAGNOSTIC CHARTS