Honda Civic 2002-2003 Service Manual page 532

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DTC 43: Motor Driven Current is Excessively
High
1, Clear the DTC,
2, Start the engine,
3, Turn the steering wheel from lock-to-Iock several
times, and wait 10 seconds or more.
Does the EPS indicator come on?
YES-Go to step 4,
NO-Check for loose wires or poor connections, If
the connections are good, the system is OK at this
time,.
4, Stop the engine, and verify the DTC,
Is OTe 43 indicated?
YES-Go to step 5,
NO-Perform the appropriate troubleshooting for
the code indicated .•
5, Make sure the ignition switch is OFF, then
disconnect EPS control unit connector B (2P) and
the motor 2P connector.
6, Turn the ignition switch ON (II),
7. Measure the voltage between EPS control unit
connector B (2P) terminal No, 1 and body ground,
EPS CONTROL UNIT CONNECTOR B (2PI
=
Wire side of female terminals
Is there battery voltage?
YES-Repair short to power in the
+
circuit wire
between EPS control unit and motor .•
NO-Go to step 8,
8, Measure the voltage between EPS control unit
connector B (2P) terminal No, 2 and body ground,
EPS CONTROL UNIT CONNECTOR B (2PI
=
Wire side of female terminals
Is there battery voltage?
YES-Repair
short to
power in the - circuit wire
between the EPS contorl unit and the motor,.
NO-Go to step 9,
9, Turn the ignition switch OFF,
10, Check for continuity between EPS control unit
connector B (2P) terminals No, 1 and No, 2,
EPS CONTROL UNIT CONNECTOR B (2P)
M2(GRN)
Wire side of female terminals
Is there continuity?
YES- Repair short between the GRN and RED
wires in the motor circuit between the EPS control
unit and the motor .•
NO-Go to step 11,
(conl'dl
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