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)  Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION.)
(4)  Decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION.)
(5)  Upper panel (See UPPER PANEL REMOVAL/INSTALLATION.)
(6)  Selector lever knob (ATX) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION.)
(7)  Shift lever knob (MTX) (See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [C66M-R, C66MX-R].) (See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [D66M-R, D66MX-R]
(8)  Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION.)
(9)  Rear console (See REAR CONSOLE REMOVAL/INSTALLATION.)
(10)  Side wall (See SIDE WALL REMOVAL/INSTALLATION.)
(11)  Front console (See FRONT CONSOLE REMOVAL/INSTALLATION.)
(12)  Bonnet release lever (See BONNET LATCH AND RELEASE LEVER REMOVAL/INSTALLATION.)
(13)  Driver-side lower panel (See LOWER PANEL REMOVAL/INSTALLATION.)
(14)  Driver-side front heat duct (See FRONT HEAT DUCT REMOVAL/INSTALLATION.)
(15)  AudioPilot® microphone (with Bose®) (See AudioPilot® MICROPHONE REMOVAL/INSTALLATION.)

2.  Attach the tester lead to the underside of the EPS CM connector and inspect the voltage according to the terminal voltage table (reference).


Terminal Voltage Table (Reference)

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Terminal

Signal name

Connected to

Measured item

Measured terminal (measurement condition)

Voltage (V)

Inspection item(s)
1A
Ground
Ground point
Voltage
Under any condition
1 or less
•  Wiring harness (1A—ground point)
1B
Battery power supply
Battery
Voltage
Under any condition
B+
•  Wiring harness (1B—battery)
•  Fuse (EPS 60A)
2A
CAN_H
—
Perform DTC inspection
—
2B
—
—
—
—
—
—
2C
—
—
—
—
—
—
2D
CAN_L
—
Perform DTC inspection
—
2E
—
—
—
—
—
—
2F
—
—
—
—
—
—
2G
—
—
—
—
—
—
2H
Ignition power supply
IG1 relay
Voltage
Ignition ON (engine off or on)
B+
•  Wiring harness (2H—IG1 relay—battery)
•  Fuse (SRS1 7.5A)
Ignition OFF (LOCK)
1 or less