subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Campaign - Heater Hose Inspection/Replacement|Page 2852 > < Campaign - Heater Hose Inspection/Replacement|Page 2850
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Ignition Coil: Testing and Inspection

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

[Primary side]
Between terminal No.1 and No.2 0.73 Ohms ± 10%
Between terminal No.2 and No.4 0.73 Ohms ± 10%

Secondary Side

[Secondary side]
Between (A) and (B) 12.8 kOhms ± 15%
Between (C) and (D) 12.8 kOhms ± 15%

3. Insulation between primary terminal and case:  10 MOhms or more.

Campaign - Heater Hose Inspection/Replacement|Page 2852 > < Campaign - Heater Hose Inspection/Replacement|Page 2850