Torque Sensor T(Sig - Honda Civic 2002-2003 Service Manual

EPS Components
DTe Troubleshooting
OTe 12: Torque Sensor T(SIG
1. Clearthe DTC.
2. Start the engine.
3. Wait at least 10 seconds.
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 DTC12 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 C (20P) and
the torque sensor 6P connector.
6. Check for continuity between EPS control unit
connector C (20P) terminal No. 15 and body ground.
EPS CONTROL UNIT CONNECTOR C 120PI
=
Wire side of female terminals
Is there continuity?
YES- Repair short to body ground in the wire
between the torque sensor and EPS control unit..
NO-Go to step 7.
17-28
7. Turn the ignition switch ON (II).
8. Measure the voltage between EPS control unit
connector C (20P) terminal No. 15 and body ground.
EPS CONTROL UNIT CONNECTOR C 120P)
Wire side of female terminals
Is there battery voltage?
YES-Repair short to power in the
+
circuit wire
between the torque sensor and EPS control unit..
NO-Go to step 9.
9. Turn the ignition switch OFF.
10. Check for continuity between EPS control unit
connector C (20P) terminal No. 15 and the torque
sensor 6P connector terminal No.4.
EPS CONTROL UNIT CONNECTOR C 120P)
TORQUE SENSOR
6P CONNECTOR
Wire side of female terminals
Is there continuity?
YES-Go to step 11.
NO-Repair open in the wire between the torque
sensor and the EPS control unit .•