P/S Motor Assembly Inspection

P/S Motor Assembly Inspection

1) Check motor circuit referring to Step 3 of C1141 DTC C1141 / C1142 / C1143 / C1145: Motor Circuit Failure:Electric Type. If check result is not satisfactory, repair motor circuit.
2) Disconnect motor connector from steering gear case assembly with ignition switch turned OFF.
3) Check for resistance between terminals of motor connector.

If check result is not as specified, replace steering gear case assembly.

Motor circuit resistance






4) Check for no continuity between each terminal of motor connector and body ground.

If check result is not as specified, replace steering gear case assembly.

Motor circuit resistance














5) Hoist vehicle
6) Connect "E12" connector with ignition switch turned OFF.
7) Using ammeter (2), check that P/S motor current is as following table with idling engine. If check result is not satisfactory, check P/S control module referring to Inspection of P/S Control Module and Its Circuits Inspection of P/S Control Module and Its Circuits:Electric Type. If they are OK, replace steering gear case assembly.

NOTE:
When P/S motor is cold condition (that is, armature coil of P/S motor is not heated), motor current in the following table can be measured.

Motor current at hoisted vehicle (reference value)