Inspection Procedure

1 Check voltage between terminals TRQV and TRQG of EMPS ECU.

PREPARATION:

Remove the EMPS ECU with connectors still connected. CHECK:

Measure the voltage between terminals TRQV and TRQG of

EMPS ECU connector.

2 Check for open and short circuit in harness and connector between terminals TRQV and TRQG of EMPS ECU connector (See page IN-41).

3 Check voltage between terminals VT1 and GND, VT2 and GND of torque sensor connector.

Center position

PREPARATION:

Remove the torque sensor with connectors still connected. CHECK:

Measure the voltage between terminals VT-i and GND, VT2 and

GND of torque sensor connector.

Steering Position

Center position

Right turned

Left turned

Check and replace power steering gear assem bly with motor (See page SR-19).

4 Check for open and short circuit in harness and connector between terminals VT1 of torque sensor connector and TRQ1 of EMPS ECU connector, VT2 of torque sensor connector and TRQ2 of EMPS ECU connector (See page IN-41)_

Check and replace EMPS ECU (See page IN-41).

DI7R3-02

DTC

C1516/16

Calibration of Torque Sensor Zero Point Not Completed

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  • David
    How to service prius torque sensors?
    8 years ago

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