Subaru Legacy 2004 Service Manual page 1339

ENGINE (DIAGNOSTICS)
Step
6 CHECK HARNESS BETWEEN ECM AND IG-
NITION COIL & IGNITOR ASSY CONNEC-
TOR.
Measure the resistance of harness between
ECM and engine ground.
Connector & terminal
(B135) No. 15 — Engine ground:
(B135) No. 16 — Engine ground:
(B135) No. 17 — Engine ground:
(B135) No. 18 — Engine ground:
7 CHECK POOR CONTACT.
Check poor contact in ECM connector.
Diagnostics for Engine Starting Failure
Is the resistance more than 1
M'?
Is the poor contact in ECM
connector?
EN(H4DOTC)(diag)-50
Check Yes
Go to step 7.
Repair the poor
contact in ECM
connector.
No
Repair the ground
short circuit in har-
ness between
ECM and ignition
coil & ignitor ASSY
connector.
Replace the igni-
tion coil & ignitor
ASSY.