Impreza WRX STI F4-2.5L DOHC Turbo (2007)
2) Check the clutch switch continuity. If the resistance is not as specified, replace the switch.
(1) Disconnect the clutch switch connector.
(2) Measure the resistance between 1 and 2 of switch terminal.
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Clutch switch (Cruise control)
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Clutch switch (Starter interlock)
3) Confirm that the engine does not start when the clutch pedal is not depressed. If the engine starts, adjust the clutch switch, and inspect the starter
interlock circuit.
4) Confirm that the engine starts when the clutch pedal is fully depressed. If the engine does not start, adjust the clutch switch, and inspect the starter
interlock circuit.
ADJUSTMENT
1) Loosen the clutch switch mounting lock nut (Starter interlock).