EVP CONTROL UNIT INSPECTION
2016 – MX-5 – Brakes
EVP CONTROL UNIT INSPECTION
1. Disconnect the EVP control unit connector. (See EVP CONTROL UNIT REMOVAL/INSTALLATION.)
2. Measure the voltage or continuity of the EVP control unit wiring harness-side connctor using a tester.
Terminal Voltage Table (Reference)
|
Terminal |
Connected to |
Measured item |
Test condition or measured terminal |
Specification (Reference) |
Inspection item |
|
A |
Battery |
Voltage |
Under any condition |
B+ |
|
|
B |
— |
— |
— |
— |
— |
|
C |
Electric vacuum pump |
Continuity |
EVP control unit terminal C—electric vacuum pump terminal B |
Continuity detected |
|
|
D |
— |
— |
— |
— |
— |
|
E |
Electric vacuum pump |
Continuity |
EVP control unit terminal E—electric vacuum pump terminal A |
Continuity detected |
|
|
F |
— |
— |
— |
— |
— |
|
G |
Ground point |
Continuity |
EVP control unit terminal G—ground point |
Continuity detected |
|
|
H |
— |
— |
— |
— |
— |
|
I |
— |
— |
— |
— |
— |
|
J |
— |
— |
— |
— |
— |
|
K |
— |
— |
— |
— |
— |
|
L |
— |
— |
— |
— |
— |
|
M |
— |
— |
— |
— |
— |
|
N |
— |
— |
— |
— |
— |
|
O |
— |
— |
— |
— |
— |
|
P |
IG1 relay |
Voltage |
Ignition off |
1.0 V or less |
|
|
Ignition ON (engine off) |
B+ |
||||
|
Q |
— |
— |
— |
— |
— |
|
R |
— |
— |
— |
— |
— |
|
S |
— |
— |
— |
— |
— |
|
T |
— |
— |
— |
— |
— |
|
U |
— |
— |
— |
— |
— |
|
V |
— |
— |
— |
— |
— |
|
W |
— |
— |
— |
— |
— |
|
X |
— |
— |
— |
— |
— |
|
Y |
Vacuum sensor 1 |
Continuity |
EVP control unit terminal Y—vacuum sensor 1 terminal B |
Continuity detected |
|
|
Z |
CAN related module |
Because this terminal is for communication, determination using terminal voltage inspection is not possible. Perform the inspection using the DTC inspection. |
|||
|
AA |
Vacuum sensor 1 |
Continuity |
EVP control unit terminal Y—vacuum sensor 1 terminal A |
Continuity detected |
|
|
AB |
— |
— |
— |
— |
— |
|
AC |
Vacuum sensor 1 |
Continuity |
EVP control unit terminal Y—vacuum sensor 1 terminal C |
Continuity detected |
|
|
AD |
CAN related module |
Because this terminal is for communication, determination using terminal voltage inspection is not possible. Perform the inspection using the DTC inspection. |
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