Mazda 3 Service Manual: Electro Hydraulic Power Assist Steering (EHPAS) Control Module Inspection
Terminal Voltage Table (Reference)
|
Terminal |
Signal name |
Connected to |
Measured item |
Measured terminal (measured condition) |
Standard |
Inspection item(s) |
|
1A |
Ground |
Ground point |
Voltage |
Under any condition |
1 V or less |
|
|
1B |
Battery power supply |
Battery |
Voltage |
Under any condition |
B+ |
|
|
2A |
— |
— |
— |
— |
— |
— |
|
2B |
CAN_L |
— |
Inspect under DTC inspection. |
— |
||
|
2C |
— |
— |
— |
— |
— |
— |
|
2D |
CAN_H |
— |
Inspect under DTC inspection. |
— |
||
|
2E |
— |
— |
— |
— |
— |
— |
|
2F |
Ignition power supply |
Ignition switch or IG1 relay |
Voltage |
Switch the ignition to ON |
B+ |
|
|
Switch the ignition to off |
1 V or less |
|||||
Electro Hydraulic Power Assist Steering (EHPAS) Control Module Configuration
CAUTION:
If the EHPAS CM configuration is not completed, the EHPAS will not operate
properly. If the EHPAS CM is replaced, always carry out the EHPAS CM configuration
so that the EHPAS o ...
Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]
Coil Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the OCV connector.
5. Measure the resistance ...
Other materials:
Keyless Antenna Removal/Installation
Interior, Front
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper panel.
b. Shift knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Center panel.
g. Audio unit.
h. Rear heat duct (1).
3. Disconnect the connector.
4. ...
Spark Plug Removal/Installation [Mzr 2.3 Disi Turbo]
CAUTION:
If a spark plug that is not as specified is installed, engine performance
will be deteriorated. Install only the specified spark plug when replacing.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the charge air cooler..
4. Remove t ...
Clock Spring Inspection [Standard Deployment Control System]
1. Disconnect the negative battery cable..
2. Remove the driver–side air bag module..
3. Remove the steering wheel..
4. Remove the column cover.
5. Remove the clock spring..
6. Verify that the continuity is as indicated in the table.
If not as indicated in the table, replace the ...
