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:
Warning Lights
These lights turn on or flash to notify the user of the system operation
status or a system
malfunction.
Signal
Warning Lights
Master Warning Light *1
Brake System Warning Light *1*2
ABS Warning Light *1
Charging System Warnin ...
Blind Spot Monitoring (Bsm) Off Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the BSM OFF switch..
3. Verify that the continuity between the BSM OFF switch terminals is as indicated
in the table.
If the continuity is not as indicated in the table, replace the BSM OFF switch.
4. Apply battery po ...
Afs (Adaptive Front Lighting System) Off Switch Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the switch panel in the direction of the arrow shown in the figure.
3. Disconnect the connector.
4. Remove the AFS OFF switch in the direction of the arrow (2) shown in the figure
while pressing the tabs in the direction of the arrow ...
