Subaru 2009 IMPREZA Service Manual page 3426

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• The wire color code, which consists of two letters

(or three letters including Br or Lg), indicates the

standard color (base color of the wire covering) by

its first letter and the stripe marking by its second

Marking color :

Reference color :

• The table lists the nominal sectional areas and

allowable currents of the wires.

When replacing or repairing a wire, be sure to

use the same size and type of the wire which

was originally used.

• The allowable current in the table indicates the

tolerable amperage of each wire at an ambient

temperature of 40°C (104°F).

• The allowable current changes with ambient

temperature. Also, it changes if a bundle of more

than two wires is used.

Basic Diagnostic Procedure

40°C (104°F)

2.2 (or 2.0)

2.6 (or 2.4)

2.4 (or 2.2)

2.7 (or 2.5)

3.1 (or 2.9)

3.8 (or 3.6)

4.6 (or 4.4)

• Each unit is either directly grounded to the body

or indirectly grounds through a harness ground ter-

minal. Different symbols are used in the wiring dia-

gram to identify the two grounding systems.

Direct ground

• The ground points shown in the wiring diagram

refer to the following:

All wiring harnesses are provided with a ground

point which must be securely connected.

WIRING SYSTEM

Indirect terminal