Subaru 2002 IMPREZA Service Manual page 614

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Step
7 CHECK GROUND CIRCUIT OF ECM.
1)Repair the harness and connector.
2)Measure the resistance of harness between
ECM connector and chassis ground.
Connector & terminal
(B136) No. 22 — Chassis ground:
Check
Is the resistance less than 5
Ω?
EN-182
Yes
Contact with your Repair the har-
Subaru distributor ness and connec-
service. tor.
NOTE: NOTE:
Inspection by DTM In this case, repair
is required, be- the following:
cause probable • Open circuit in
cause is deteriora- harness between
tion of multiple ECM and engine
parts. ground terminal
• Poor contact in
ECM connector
• Poor contact in
coupling connector
(B22)
No