EPS CONTROL MODULE INSPECTION


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1.  Remove the following parts:

(1)  Driver-side front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION.)
(2)  Driver-side front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION.)
(3)  Bonnet release lever (See BONNET RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION.)
(4)  Fuel-filler lid opener lever (See FUEL-FILLER LID OPENER AND LEVER REMOVAL/INSTALLATION.)

2.  Partially peel back the seaming welt.

3.  Remove the driver-side lower panel. (See DRIVER-SIDE LOWER PANEL REMOVAL/INSTALLATION.)

4.  Measure the terminal voltage of the EPS control module using a tester.


Terminal Voltage Table (Reference)

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Terminal

Signal name

Connected to

Measured item

Measured terminal (measurement condition)

Specification

Inspection item(s)

1A
1B
1D
1F
Ignition power supply
IG1 relay
Voltage
Ignition ON (engine off)
B+
•  Wiring harness (EPS control module terminal 1F—IG1 relay)
Ignition off
1.0 V or less
1G
CAN_H
CAN related module
Because this terminal is for communication, determination using terminal voltage inspection is not possible. Perform the inspection using the DTC inspection.
1H
CAN_L
CAN related module
Because this terminal is for communication, determination using terminal voltage inspection is not possible. Perform the inspection using the DTC inspection.
2A
Ground
Ground point
Voltage
Under any condition
1.0 V or less
•  Wiring harness (EPS control module terminal 2A—ground point)
3A
Battery power supply
Battery
Voltage
Under any condition
B+
•  Wiring harness (EPS control module terminal 3A—battery)