Led Fault Code Table - Honda HPD L15A7 Manual

The following table summarizes the LED fault codes, their meaning and the potential avenues
for troubleshooting and resolving the issue.
LED
Fail
Flashes
Manifold Air
1
Pressure
Sensor Fail
Air
2
Temperature
Sensor Fail
Water
3
Temperature
Sensor Fail
Throttle
4
Sensor Fail
Battery
5
Voltage Fail
Fuel System
6
Fail
Lambda
7
Sensor Fail
Crankshaft
8
Sensor Fail
Camshaft
9
Sensor Fail
Sensor
10
Power
Supply Fail
Description
Sensor disconnected,
shorted high, or low
Sensor disconnected,
shorted high, or low
Sensor disconnected,
shorted high, or low
Sensor disconnected,
shorted high, or low
Battery voltage is too
high or too low
Lambda sensor
feedback fuel correction
has gone past the
allowed limits.
Lambda sensor failure
Signal from the sensor
is not proper.
Signal from the sensor
is not proper.
5V power supply from
ECU to pressure &
throttle sensors is
reading low
HPD L15A7 Electrical Systems Manual
Troubleshooting
Sensor could be
disconnected or failed.
Wiring could be shorted high
or low.
Sensor could be
disconnected or failed.
Wiring could be shorted high
or low.
Sensor could be
disconnected or failed.
Wiring could be shorted high
or low.
Sensor could be
disconnected or failed.
Wiring could be shorted high
or low.
Battery or alternator could be
failed. Wiring could be
disconnected.
Problem could be anything
that causes incorrect
combustion. Check for low
or high fuel pressure, failed
or disconnected injector,
failed or disconnected
ignition coil, failed or
disconnected sensor.
Sensor could be
disconnected or failed.
Wiring could be shorted high
or low.
Problem could be a failed
sensor, trigger wheel, or
wiring.
Problem could be a failed
sensor, trigger wheel, or
wiring.
Sensor could be failed.
Wiring could be shorted high
or low.
8
Fail Checking
Always when
ignition switch is on
Always when
ignition switch is on
Always when
ignition switch is on
Always when
ignition switch is on
Always when
ignition switch is on
Always when engine
is running and driver
is on throttle
When engine is
started
Always when
ignition switch is on
and engine is
spinning
Always when
ignition switch is on
and engine is
spinning
Always when
ignition switch is on
2/2010