FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Component Inspection





P0230 Fuel Pump Primary Circuit

Inspection/Repair - Component Inspection

Component Inspection

1. Fuel pump relay check
(1) Key "OFF".
(2) Disconnect fuel pump relay.
(3) Measure the resistance between terminal 30 and 87 of fuel pump relay component side.
(4) Measure the resistance between terminal 85 and 86 of fuel pump relay component side.
A. Specification :









(5) Is the measured resistance within specification?
YES
1) Substitute with a known - good ECM and check for proper operation.
If the problem is corrected, replace ECM and go to "Verification of Vehicle Repair" procedure.

CAUTION:
There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM.
Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others

NO
1) Substitute with a known - good Fuel pump relay and check for proper operation.
If the problem is corrected, replace Fuel pump relay and go to "Verification of Vehicle Repair" procedure.