Subaru Legacy III (2000-2003 year). Manual - part 91

 

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Subaru Legacy III (2000-2003 year). Manual - part 91

 

 

IG(H4SO)-8

IGNITION

IGNITION COIL AND IGNITOR ASSEMBLY

3. Ignition Coil and Ignitor As-

sembly

A: REMOVAL

1) Disconnect battery ground cable.

2) Disconnect spark plug cords from ignition coil
and ignitor assembly.
3) Disconnect connector from ignition coil and igni-
tor assembly.

4) Remove ignition coil and ignitor assembly.

B: INSTALLATION

1) Install in the reverse order of removal.

Tightening torque:

6.4 N·m (0.65 kgf-m, 4.7 ft-lb)

CAUTION:
Be sure to connect spark plug cords to their 
proper positions. Failure to do so will damage 
unit.

C: INSPECTION

Using accurate tester, inspect the following items,
and replace if defective.
1) Primary resistance
2) Secondary coil resistance

CAUTION:
If the resistance is extremely low, this indicates 
the presence of a short-circuit.

Specified resistance:

[Primary side]

Between terminal No. 1 and No. 2

0.73 

Ω±

Ω±

Ω±

Ω±

10%

Between terminal No. 2 and No. 4

0.73 

Ω±

Ω±

Ω±

Ω±

10%

(A) Spark plug cord

(B) Connector

(C) Ignition coil and ignitor ASSY

FU-00009

IG-00037

(A)

(B)

(C)

(A)

IG-00038

IG-00038

IG-00050

4

3

2

1

IG(H4SO)-9

IGNITION

IGNITION COIL AND IGNITOR ASSEMBLY

[Secondary side]

Between (A) and (B)

12.8 k

Ω±

Ω±

Ω±

Ω±

15%

Between (C) and (D)

12.8 k

Ω±

Ω±

Ω±

Ω±

15%

3) Insulation between primary terminal and case:
100 M

 or more.

IG-00039

(C)

(A)

(D)

(B)

IG(H4SO)-10

IGNITION

SPARK PLUG CORD

4. Spark Plug Cord

A: INSPECTION

Check for:
1) Damage to cords, deformation, burning or rust
formation of terminals
2) Resistance values of cords

Resistance value:

#1 cord: 5.6 — 10.6
#2 cord: 7.3 — 13.7
#3 cord: 5.9 — 11.1
#4 cord: 7.3 — 13.7

IG-00031

 

 

 

 

 

 

 

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