Engine General Information and Diagnosis: 1A-31
Step Action Yes No
1 6) Under this condition, if a suitable screwdriver touching
the pick-up surface of the CMP sensor is moved, the
tester reading voltage changes (0.8 V and less ↔ 4.3 V
and more).
Is the voltage OK?
• B/Y, R or B/Br wire
open or shorted to
ground.
• Loose or poor
contacts on the CMP
sensor coupler or
ECM coupler
(Terminal “7”, “8” or
“35”).
• If wires and
connection are OK,
intermittent trouble or
faulty ECM.
• Recheck each
terminal and wire
harness for open
circuit and poor
connection.
• Replace the ECM
with a known good
one, and inspect it
again.
• Inspect that metal
particles or foreign
material stuck on the
CMP sensor and
camshaft tip.
• If there are no metal
particles and foreign
material, then replace
the CMP sensor with
a new one.
I823H1110007-01
Manuals by Motomatrix / The Solution For Lost Motorcycle Coded Keys
email: info@motomatrix.co.uk / www.motomatrix.co.uk
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