C1145

DTC C1141 / C1142 / C1143 / C1145: Motor Circuit Failure

DTC C1141: P/S Motor Circuit Voltage

DTC C1142: P/S Motor Circuit Range/Performance

DTC C1143: P/S Motor Circuit Current Too High

DTC C1145: P/S Motor Circuit Current Too Low

Wiring Diagram










DTC Detecting Condition and Trouble Area






DTC Troubleshooting

1.
Was "EPS System Check" performed?
YES -
Go to Step 2.
NO -
Go to EPS System Check EPS System Check:Electric Type.

2. DTC check

Is DTC C1153 and/or C1155 indicated, together?
YES -
Go to applicable DTC troubleshooting.
NO -
Go to Step 3.

3. Power supply and ground circuit check

Check P/S control module power supply and ground circuit referring to P/S Control Module Power Supply and Ground Circuit Check P/S Control Module Power Supply and Ground Circuit Check:Electric Type.

Is it in good condition?
YES -
Go to Step 4.
NO -
Repair or replace defective circuit.

4. Motor circuit check

With ignition switch turned OFF, disconnect P/S control module connector No.3 and P/S motor connector.
Check P/S control module connector and P/S motor connector for proper connection.
If OK, check for open, short and/or high resistance in motor circuit between P/S control module and P/S motor referring to Electrical Circuit Inspection Procedure Electrical Circuit Inspection Procedure.

Are they in good condition?
YES -
Go to Step 5.
NO -
Repair motor circuit.

5. P/S motor check

Check P/S motor referring to Service and Repair P/S Motor Assembly Inspection:Electric Type.

Is P/S motor in good condition?
YES -
Substitute a known-good P/S control module and recheck.
NO -
Replace the steering gear case assembly and recheck.