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:
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 ...
LTA (Lane Tracing Assist)
LTA functions
In the Subaru Solterra, when driving on roads with clearly visible lane
markings and with dynamic radar cruise control activated, the system uses a
front camera and radar sensors to detect lane boundaries as well as surrounding
and preceding vehicles. Based on this data, t ...
Accessory Socket Inspection
Front
1. Disconnect the negative battery cable..
2. Remove the upper panel..
3. Remove the shift lever knob. (MTX).
4. Remove the selector lever knob. (ATX).
5. Remove the shift panel.
6. Remove the accessory socket (front).
7. Connect a tester as shown in the figure and verify that the ...
