Motor Driven Current - Honda Civic 2002-2003 Service Manual

EPS Components
OTe Troubleshooting (cont'd)
Ole 42, 45: Motor Driven Current
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 DTC 42 or 45 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 B connector (2P) and
the motor 2P connector.
6. Check for continuity between EPS control unit
connector B (2P) terminal No.1 and body ground.
EPS CONTROL UNIT CONNECTOR B 12P)
=
Wire side of female terminals
Is there continuity?
YES-Repair short to body ground in the RED wire
between the EPS control unit and the motor..
NO-Go to step 7.
17-38
7. Check for continuity between EPS control unit
connector B (2P) terminal No.2 and body ground.
EPS CONTROL UNIT CONNECTOR B (2P)
Q
=
Wire side of female terminals
Is there continuity?
YES-Repair short to body ground in the GRN wire
between the EPS control unit and the motor .•
NO-Go to step 8.
8. Check for continuity between EPS control unit
connector B (2P) terminal 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 RED and GRN
wires in the motor circuit between the EPS control
unit and the motor .•
NO-Go to step 9.
•