Ecm Motor Driver Circuit; Ecm/Control Motor Connection Inspection - Honda Fourtrax Rancher AT 2004 Service Manual

HONDAMATIC
24-32
PROBLEM CODE 12: ECM MOTOR
DRIVER CIRCUIT
, . ECM/ Control Motor Connection Inspection
Check for loose or poor contact on the ECM 5P
I]~~~~]~~~~~
(Black) connector. ~
Check for loose or poor contact on the control
motor 2P (Nat ural) connector.
Is there normal condition?
NO - Loose or poor cont act on t he ECM
con~
nector and the control motor con necto r
YES - GO TO STE P 2.
2. Control Motor Power Input Line Inspection
Turn the ignition swit ch OFF.
Disconnect the ECM 5P (Black) connector.
Turn the ignition swit ch ON.
Measure the vol tage between the wire harness
side connector termi nal.
Connection: Red /yellow (+1 - Ground H
Is the voltage ffVar above?
NO - Open in wire between the ECM and the
battery
YES - GO TO STEP 3.
3. Control Motor Ground Line Inspection
Disconnect the ECM 5P (Black) connecto r.
Check for continuity between the wire ha rn ess
side connector terminal.
Connection: Green
(+) -
Ground H
Is there continuity?
NO - Open in wi re between the ECM and
g round
YES - GO TO STE P 4.
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