Signal Generator Resistance
- With ignition off, disconnect signal generator. Using ohmmeter, set ohmmeter to x100 scale and connect leads to signal generator terminals. See Fig 1.
- Resistance should be 130-190 ohms. If resistance is not within specifications, replace signal generator.
- Connect negative ohmmeter lead to a good ground and positive ohmmeter lead to signal generator terminal. Resistance should be infinity, if not, replace signal generator.
- Move ohmmeter selector to ammeter position (.25 mA range). Using a screwdriver, move screwdriver close to or away from coil iron core. Ohmmeter should deflect. If ohmmeter does not deflect, replace the signal generator.
Courtesy of SUBARU OF AMERICA, INC.