TOHATSU BFT115A Service Manual page 133

DTC TROUBLESHOOTING
DTC INDEX
DTC MIL
0 or does MIL does not
not com- come ON/
municate blink
0 or does MIL stay ON
not com-
municate
0-2 ON
0-5
0-8
3-1 ON
3-2 ON
4-1 ON
4-2 ON
6-1 ON
6-2 ON
Detected component
ECM
ECM
ECM (Internal failure)
MAP sensor (voltage too low)
MAP sensor (voltage too high)
CKP sensor (no pulse)
CKP sensor (abnormal pulse)
ECT sensor 1
(voltage too low)
ECT sensor 1
(voltage too high)
Probable cause
• Loose or poor contact of the connec-
tor
• Faulty indicator light
• Open circuit in MIL wire
• Open circuit in ECM power/ground
cable
• Faulty ECM
• SCS service check connector
activated
• Short circuit in DLC wire
• Short circuit in MIL wire
• Short circuit in sensor power circuit
• Faulty ECM
• Faulty ECM
• Loose or poor contact of the connec-
tor
• Short circuit in MAP sensor wire (PB)
• Open circuit in MAP sensor wire
(VCC1)
• Faulty MAP sensor
• Loose or poor contact of the connec-
tor
• Open circuit in MAP sensor wire (PB)
• Open circuit in MAP sensor wire
(VCC1)
• Open circuit in MAP sensor wire
(SG1)
• Faulty MAP sensor
• Loose or poor contact of the connec-
tor
• Open or short circuit in CKP sensor
wire (CRK)
• Open circuit in CKP sensor wire
(IGP2)
• Open circuit in CKP sensor wire
(LG1)
• Faulty CKP sensor
• Loose or poor contact of the connec-
tor
• Faulty CKP sensor
• CKP sensor is not installed properly
• Loose or poor contact of the connec-
tor
• Short circuit in ECT sensor 1 wire
(TE)
• Faulty ECT sensor 1
• Loose or poor contact of the connec-
tor
• Open circuit in ECT sensor 1 wire
(TE)
• Open circuit in ECT sensor 1 wire
(SG2)
• Faulty ECT sensor 1
FUEL SYSTEM
Ref.
page
4-15
5-19
5-22
5-22
5-23
5-25
5-26
5-27
5-28
5-15