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FI
FUEL INJECTION SYSTEM
Symptom The headlight does not turn ON or OFF.
Probable mal-
function area
• Malfunction in the headlight relay 1
• Malfunction in the headlight
• Open or short circuit in the headlight wiring harness
• Malfunction in the handlebar switch
• Open circuit in the headlight bulb
Inspection method 1
Inspection by diagnosis mode
Inspection method 2
Inspection of a malfunction that cannot be identified in the
diagnosis mode, and in case the area of the malfunction has
been narrowed down in the inspection method 1.
• Execute diagnostic code No. 52 (check the
operation of the headlight relay 1).
(Check the operation of the headlight.)
* Classify the malfunctions:
Malfunction related to the relay
Malfunction related to the wiring harness
Malfunction in the headlight itself
• Relay does not operate (as checked by sound or tester).
Check the headlight relay 2.
Refer to “LIGHTING SYSTEM” in chapter 8.
Defective: replace
Inspect the wiring harness and the couplers for continuity.
Defective: repair or replace
Replace
• The relay operates but the headlight does not illuminate.
Inspect the headlight bulb.
Blown bulb: replace
Check the headlight relay 2 contact point for continuity.
Refer to “LIGHTING SYSTEM” in chapter 8.
Defective: replace
Check the handlebar switch.
Defective: repair or replace
Inspect the wiring harness and the couplers for continuity.
Defective: repair or replace