Headlight Is Not Turned On - Honda 2003 NPS50 Ruckus Service Manual

Headlight is not turned on

1. Headlight Circuit { 1 )
Remove the front cover {page 3-6).
Turn the ignition switch to ON.
Measure the voltage between the Black/brown
wire terminal {+) of the left handlebar switch 9P
connector at the harness side and body ground
(-'- ).
The battery voltage should come on.
•
Does the battery voltage come on 7
- G O TO STEP 2.
•
YES
-
NO
An open or short circuit i n the wire
harness.
Poorly connected terminal.
2. Headlight Circuit Inspection {2)
Install the front cover {page 3-6).
With the headlight/horn 6P connector plugged
in, ground the Green/orange wire terminal with a
jumper wire.
The headlight circuit is normal if the headlight is
- •
turned on when the ignition switch is turned to
ON.
Are the headlights turned on?
•
NO
An open circuit in the Blue and/or
White wire between the 9P connec­
tor of the left handlebar switch and
headlight/horn 6P connector.
Check the dimmer switch {page 19-
22).
- GO TO STEP 3.
YES
3. Ground line inspection
Disconnect the ECM 26P connector.
Check the continuity of the Green/orange termi­
nals between the headlight/horn 6P connector
and ECM 26P connector.
Does continuity exist?
- Faulty ECM
YES
- An open circuit in the Green/orange
NO
wire.
LIGHTS/METERS/SWITCHES
9P CONNECTOR
1 9-5