Honda 2005-2008 RX500 FA Service Manual page 509

'61HN252' by American Honda Motor Co. - Page 509 of 540
[2005-2008] [TRX500 FA/FGA]
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2. Control Motor Power Input Line Inspection
Turn the ignition switch OFF.
Disconnect the ECM 5P (Black) connector.
Turn the ignition switch ON.
Measure the voltage between the wire harness
side connector terminal and ground.
Connection: Red/yellow (+) Ground ()
Is the voltage 11V or above?
NO Open in wire between the ECM and the
battery
GO TO STEP 3.
YES
3. Control Motor Ground Line Inspection
Disconnect the ECM 5P (Black) connector.
Check for continuity between the wire harness
side connector terminal and ground.
Connection: Green (+) Ground ()
Is there continuity?
Open in wire between the ECM and
NO
ground
YES GO TO STEP 4.
4. Control Motor Line Inspection
Disconnect the ECM 5P (Black) connector and
the control motor 2P (Natural) connector.
Check for continuity on the Green/red wire and
the Orange wire between the ECM connector
and main harness side motor connector.
Is there continuity?
NO Open circuit in wire between the ECM
and control motor
GO TO STEP 5.
YES
5. Control Motor Circuit Inspection
Disconnect the control motor 2P (Natural) con-
nector.
Check for continuity between the motor side
connector terminals.
Is there continuity?
Faulty control motor
NO
GO TO STEP 6.
YES
http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...
G/R
HONDAMATIC
R/Y
G
G/R
O
O
G
O
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3/9/2008 11:29 PM