Page 527 - 2019 SHOP MANUAL CRF1000/A/D

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LIGHTS/METERS/SWITCHES
INSPECTION
TURN SIGNAL LIGHT INSPECTION
• Check the following before inspection:
– Blown turn signal light bulb
– Blown main fuse 30 A
– Blown sub fuse ILLUMI STOP 7.5 A
– Blown sub fuse CLOCK TURN 7.5 A
– Loose or poor contact on the turn signal light relay
4P, right handlebar switch 8P (Gray), and left
handlebar switch 12P (Gray) connector
– Handlebar switch operation

• If the sub fuse is blown again, check for the short
circuit in the related wires.
– CRF1000 (page 24-2)
Turn the ignition switch ON and operate the turn signal
light switch.
Check each turn signal light operation.

Turn signal light blinks faster than usual (One of the
unit does not blink).

• When there is open circuit in turn signal light, other
turn signal light blink faster than usual in order to
notify the rider of the problem.
Check for loose or poor contact in the turn signal light
2P connector.
If the connection is OK, check the following:
• Open circuit in turn signal light wire
– Right front: Light blue wire
– Left front: Orange wire
– Right rear: Light blue wire
– Left rear: Orange wire
• Open circuit in Green wire between the turn signal
light 2P connector and ground
If the wires are OK, replace the problematic turn signal
light with a known good one and recheck.
– If the known good turn signal light blinks, original unit
is faulty.
– If the known good turn signal light does not blink,
replace the turn signal relay with a new one and
recheck.

Turn signal light does not blinks at all with the turn
signal light switch operating.
• Open circuit in the Black/red wire between the turn
signal light relay and left handlebar switch
• Open circuit in the White/green wire between the
turn signal light relay and left handlebar switch
• Open circuit in the turn signal light relay ground line
(Green wire)
If the wires are OK, replace the turn signal light with a
known good one and recheck.

Turn signal relay back-up voltage line
Measure the voltage between the Red/white wire
terminal (+) and ground (–).
There should be battery voltage at all times.
If there is no voltage, check for the open circuit in Red/
white wire.
22-7