Subaru 2002 IMPREZA Service Manual page 510

DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)
Step
7 CHECK HARNESS BETWEEN ECM AND
FUEL PUMP RELAY CONNECTOR.
1)Disconnect the connectors from ECM.
2)Measure the resistance of harness between
ECM and fuel pump relay connector.
Connector & terminal
• With immobilizer
(B134) No. 29 — (B46) No. 3:
• Without immobilizer
(B134) No. 16 — (B46) No. 3:
8 CHECK POOR CONTACT.
Check poor contact in ECM connector.
Check
Is the resistance less than 1
Ω?
Is there poor contact in ECM
connector?
EN-78
Yes
Go to step 8. Repair the open
circuit in harness
between ECM and
fuel pump relay
connector.
Repair the poor Check the fuel
contact in ECM injector circuit.
connector. <Ref. to EN-80,
FUEL INJECTOR
CIRCUIT, Diag-
nostics for Engine
Starting Failure.>
No