Honda BF40D Mode D'emploi page 440

• TROUBLESHOOTING GUIDE BY MIL BLINKS
MIL
Condition
No. of blinks
MIL does ECM
D e t e c t e d
component
not blink
ON ECM
Stays
ON
1 Blinks HO2S
3 Blinks MAP sensor (Sensor voltage)
4 Blinks CKP sensor 1 (Pulse)
6 Blinks EBT sensor (Sensor voltage)
7 Blinks TP sensor (Sensor voltage)
8 Blinks CKP sensor 2 (Pulse)
10 Blinks IAT sensor (Sensor voltage)
14 Blinks IAC valve (Abnormal current)
24 Blinks ECT sensor (Sensor voltage)
26 Blinks EOP switch
5-45
Detected component
440
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 (Open, short)
• MAP sensor
• ECM
• CKP sensor 1 circuit (Open, short)
• CKP sensor 1
• Guide plate
• ECM
• EBT sensor circuit (Open, short)
• EBT sensor
• ECM
• TP sensor circuit (Open, short)
• TP sensor
• ECM
• CKP sensor 2 circuit (Open, short)
• CKP sensor 2
• Guide plate
• ECM
• IAT sensor circuit (Open, short)
• IAT sensor
• ECM
• IAC valve circuit (Open, short)
• IAC valve
• ECM
• ECT sensor circuit (Open, short)
• ECT sensor
• ECM
• EOP switch circuit (Open, short)
• EOP switch
• ECM
Ref. page
2-37
2-46
5-47
5-49
5-51
5-53
5-55
5-57
5-59
5-61
5-63
5-65
5-67