Honda Civic 2002-2003 Service Manual page 528

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9. Turn the ignition switch ON (II), and measure the
voltage between EPS control unit connector B (2P)
terminal No.1 and body ground.
EPS CONTROL UNIT CONNECTOR B (2P)
Wire side of female terminals
fs there battery voftage?
YES-Repair short to power in the
+
circuit wire
between the EPS control unit and the motor..
NO-Go to step 10.
10. Measure the voltage between EPS control unit
connector B (2P) terminal No.2 and body ground.
EPS CONTROL UNIT CONNECTOR B 12PI
Wire side of female terminals
fs there battery voftage?
YES-Repair short to power in the - circuit wire
between the EPS control unit and the motor..
NO-Gotostepll .
11. Turn the ignition switch is OFF.
12. Substitute a known-good EPS control unit, and
connect all the disconnected connectors.
13. Start the engine, and turn the steering wheel from
lock to lock several times.
Does the EPS indicator come on?
YES-Go to step 14.
NO-Check for loose or poor connections at the
EPS control unit and the motor connections. If the
connections are good, replace the EPS control unit
and recheck .•
14. Stop the engine, and verify the DTC.
fs DTe 41 indicated?
YES-Replace the steering gearbox motor and
recheck .•
NO-Perform the appropriate troubleshooting for
the code indicated .•
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