Subaru 2002 IMPREZA Service Manual page 1704

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DIAGNOSTIC PROCEDURE FOR NO-DIAGNOSTIC TROUBLE CODE (DTC)

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

CHECK INPUT SIGNAL FOR TCM.

Measure the signal voltage for TCM while turn-

ing power switch to ON.

Connector & terminal

(B55) No. 23 (+) — Chassis ground (–):

CHECK POOR CONTACT.

Is the voltage less than 1 V?

Is there poor contact?

Go to step 11.

Replace the TCM.

<Ref. to AT-46,

Transmission Con-

Repair the poor

A temporary poor

contact of the con-

nector or harness

or connector in

power switch cir-

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2001 impreza