TOHATSU BFT75A Service Manual page 156

4 stroke outboard motor

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Detected component

ECT sensor 2 (voltage too low)

ECT sensor 2 (voltage too high)

ECT sensor 3 (voltage too low)

ECT sensor 3 (voltage too high)

Probable cause

• Loose or poor contact of the

• Short circuit in ECT sensor 2 wire

• Faulty ECT sensor 2

• Loose or poor contact of the

• Open circuit in ECT sensor 2 wire

• Open circuit in ECT sensor 2 wire

• Faulty ECT sensor 2

• Loose or poor contact of the

• Short circuit in ECT sensor 3 wire

• Faulty ECT sensor 3

• Loose or poor contact of the

• Open circuit in ECT sensor 3 wire

• Open circuit in ECT sensor 3 wire

• Faulty ECT sensor 3

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