Honda BF40D Mode D'emploi page 408

• TROUBLESHOOTING GUIDE BY DTC
DTC MIL
MIL does not ECM
come ON/blink
0 or does not
communicate
ECM
MIL stays ON
0 or does not
communicate
1-4 ON HO2S
3-1 ON MAP sensor (Voltage too low)
3-2 ON MAP sensor (Voltage too high)
4-1 ON CKP sensor 1 (No pulse)
4-2 ON CKP sensor 1 (Abnormal pulse)
6-1 ON EBT sensor (Voltage too low)
6-2 ON EBT sensor (Voltage too high)
7-1 ON TP sensor (Voltage too low)
7-2 ON TP sensor (Voltage too high)
8-1 ON CKP sensor 2 (No pulse)
8-2 ON CKP sensor 2 (Abnormal pulse)
5-13
Detected component
408
Probable problem
• Indicator light
• MIL circuit (Open)
• ECM ground circuit (Open, poor grounding)
• ECM
• DLC circuit (Short)
• MIL circuit (Short)
• Sensor power circuit (Short)
• ECM power circuit (Open)
• ECM
• HO2S circuit (Open, short)
• HO2S
• Fuel supply system
• ECM
• MAP sensor circuit (Short)
• MAP sensor
• ECM
• MAP sensor circuit (Open)
• MAP sensor
• ECM
• CKP sensor 1 circuit (Open, short)
• CKP sensor 1
• ECM
• CKP sensor 1
• Guide plate
• ECM
• EBT sensor circuit (Short)
• EBT sensor
• ECM
• EBT sensor circuit (Open)
• EBT sensor
• ECM
• TP sensor circuit (Short)
• TP sensor
• ECM
• TP sensor circuit (Open)
• TP sensor
• ECM
• CKP sensor 2 circuit (Open, short)
• CKP sensor 2
• ECM
• CKP sensor 2
• Guide plate
• ECM
Ref. page
2-36
2-46
5-15
5-19
5-21
5-22
5-23
5-24
5-25
5-26
5-27
5-28
5-29
5-30