TOHATSU BFT115A Service Manual page 136

FUEL SYSTEM
DTC MIL
141-2 ON
143-1 ON
143-2 ON
5-18
Detected component
ECT sensor 3 (voltage too
high)
ECT sensor 4 (voltage too low)
ECT sensor 4 (voltage too
high)
Probable cause
• Loose or poor contact of the connec-
tor
• Open circuit in ECT sensor 3 wire
(TOH2)
• Open circuit in ECT sensor 3 wire
(SG2)
• Faulty ECT sensor 3
• Loose or poor contact of the connec-
tor
• Short circuit in ECT sensor 4 wire
(TOH3)
• Faulty ECT sensor 4
• Loose or poor contact of the connec-
tor
• Open circuit in ECT sensor 4 wire
(TOH3)
• Open circuit in ECT sensor 4 wire
(SG2)
• Faulty ECT sensor 4
Ref.
page
5-50
5-51
5-52