Subaru Legacy (2005 year). Manual - part 95

IGNITION

IG(H4SO 2.0)

Page

1.

General Description ....................................................................................2

2.

Spark Plug...................................................................................................5

3.

Ignition Coil and Ignitor Assembly...............................................................8

4.

Spark Plug Cord........................................................................................10

IG(H4SO 2.0)-2

IGNITION

General Description

1. General Description

A: SPECIFICATION

1. 2.0 L MODEL

2. 2.5 L MODEL

Item

Specifications

Ignition coil and ignitor 
ASSY

Model

CM12-100C

Manufacturer

HITACHI

Secondary coil resistance

18.0 k

Ω±20%

Spark plug

Manufacturer and type

CHAMPION: RC10YC4

Thread size (diameter, pitch, length)

mm

14, 1.25, 19

Spark plug gap

mm (in)

1.0 — 1.1 (0.039 — 0.043)

Electrode

Nickel

Item

Specifications

Ignition coil and ignitor 
ASSY

Model

FH 0286

Manufacturer

Diamond Electric

Secondary coil resistance

11.7 k

Ω±15%

Spark plug

Manufacturer and type

EC, EK, K4, EH, ER 
model

NGK: PFR5B-11

KA, KS model

CHAMPION: RC10YC4

Thread size (diameter, pitch, length)

mm

14, 1.25, 19

Spark plug gap

mm (in)

1.0 — 1.1 (0.039 — 0.043)

Electrode

EC, EK, K4, EH, ER 
model

Platinum

KA, KS model

Nickel

IG(H4SO 2.0)-3

IGNITION

General Description

B: COMPONENT

• 2.0 L model

(1)

Spark plug

(4)

Spark plug cord (#2, #4)

 Tightening torque: N

⋅

m (kgf-m, ft-lb)

(2)

Spark plug cord (#1, #3)

T1: 6.4 (0.65, 4.7)

(3)

Ignition coil and ignitor ASSY

T2: 21 (2.1, 15.2)

IG-00016

T1

T2

T2

(1)

(2)

(2)

(3)

(4)

(4)

IG(H4SO 2.0)-4

IGNITION

General Description

• 2.5 L model

C: CAUTION

• Wear work clothing, including a cap, protective
goggles, and protective shoes during operation.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• Be careful not to burn yourself, because each
part on the vehicle is hot after running.

• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or rigid racks at the specified
points.
• Before disconnecting connectors of sensors or
units, be sure to disconnect the ground cable from
battery.

(1)

Spark plug

(4)

Spark plug cord (#2, #4)

 Tightening torque: N

⋅

m (kgf-m, ft-lb)

(2)

Spark plug cord (#1, #3)

T1: 6.4 (0.65, 4.7)

(3)

Ignition coil and ignitor ASSY

T2: 21 (2.1, 15.2)

IG-00094

T2

T2

T1

(2)

(2)

(4)

(4)

(1)

(3)

(1)