Subaru 2002 IMPREZA Service Manual page 502

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DIAGNOSTICS FOR ENGINE STARTING FAILURE

ENGINE (DIAGNOSTICS)

CHECK INPUT VOLTAGE OF ECM.

1)Connect the main relay connector.

2)Turn the ignition switch to ON.

3)Measure the voltage between ECM connec-

tor and chassis ground.

Connector & terminal

(B136) No. 1 (+) — Chassis ground (–):

(B136) No. 2 (+) — Chassis ground (–):

Is the voltage more than 10 V? Check the ignition

Repair the open or

control system.

ground short cir-

<Ref. to EN-72,

cuit in harness

IGNITION CON-

TROL SYSTEM,

connector and

Diagnostics for

main relay con-

Engine Starting

Chapters

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2001 impreza