Component Inspection

P0204 Injector Circuit/Open-Cylinder 4

Inspection/Repair - Component Inspection

Component Inspection

1. Check injector resistance
(1) IG "OFF".
(2) Disconnect injector connector.
(3) Measure resistance between terminal 1 and 2 of injector connector. (Component Side)
A. Specification :









(4) 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 injector and check for proper operation.
If the problem is corrected, replace injector and go to "Verification of Vehicle Repair" procedure.