Mil Code Index - Honda LEAD 110 2009 Service Manual

FUEL SYSTEM (Programmed Fuel Injection)

MIL CODE INDEX

MIL
1 and 8 Blinks
1, 8, 9 all Blinks
1 Blink
7 Blinks
8 Blinks
9 Blinks
12 Blinks
21 Blinks
29 Blinks
57 Blinks
6-18
Detected Item
Sensor unit • Loose or poor contact on sen-
power circuit sor unit 5P connector
malfunction • Open circuit in sensor unit
power wire
Sensor unit • Loose or poor contact on sen-
ground circuit sor unit 5P connector
malfunction • Open circuit in sensor unit
ground wire
• Faulty sensor unit
MAP sensor • Loose or poor contact on sen-
circuit sor unit 5P connector
malfunction • Open or short circuit in MAP
sensor wire on sensor unit
• Faulty MAP sensor
ECT sensor • Loose or poor contact on ECT
circuit sensor 3P connector
malfunction • Open or short circuit in ECT
sensor wire
• Faulty ECT sensor
TP sensor • Loose or poor contact on sen-
circuit sor unit 5P connector
malfunction • Open or short circuit in TP
sensor wire
• Faulty TP sensor
IAT sensor • Loose or poor contact of sen-
circuit sor unit 5P connector
malfunction • Open or short circuit in IAT
sensor wire
• Faulty IAT sensor
Injector circuit • Loose or poor contact on
malfunction injector 2P connector
• Open circuit in injector wire
• Faulty injector
O sensor cir- • Loose or poor contact on O
2
cuit malfunc- sensor 2P connector and/or
tion
O sensor cap
2
• Open or short circuit in O
sensor wire
• Faulty O
IACV • Loose or poor contact on
malfunction IACV 4P connector
• Open or short circuit in IACV
wire
• Faulty IACV
ECT sensor • Loose or poor contact on ECT
circuit sensor 3P connector
malfunction • ECT sensor or its circuit mal-
function
• Engine coolant temperature
too high
– Engine coolant decrease
– Passage blocked in radia-
tor, hoses or water jacket
Causes
• Engine stalls, hard
• Engine stalls, hard
• Engine operates
• Fail-safe value: 760
• Hard start at low
• Fail-safe value:
• Poor engine
• Fail safe value: 0°
• Engine operates
• Fail-safe value:
• Engine does not
• Engine operates
2
2
sensor
2
• Engine stalls, hard
• Vehicle speed is
Refer
Symptoms
to
6-21
to start, rough
idling
6-21
to start, rough
idling
6-22
normally
mmHg/1,013 hPa
6-23
temperature
100°C/212°F
6-24
response and per-
formance when
operating the throt-
tle quickly
6-25
normally
35°C/95°F
6-26
start
6-28
normally
6-29
to start, rough
idling
6-23
limited below 15
km/h (9 mph)