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:
Air Bleeding
CAUTION:
If the strainer is removed, impurities may penetrate the power steering system
and damage it. To prevent this, always bleed air with the strainer installed.
Do not maintain the steering wheel fully turned for 5 s or more. The oil
temperature could rise and damage ...
Climate Control Unit Inspection [Full Auto Air Conditioner]
1. Remove the climate control unit with the connector connected..
2. Switch the ignition to ON.
3. Connect the negative (-) lead of the tester to body ground.
4. By inserting the positive (+) lead of the tester into each climate control
unit terminal, measure the voltage according to the ter ...
Identification Numbers
Vehicle Identification Number
The vehicle identification number legally
identifies your vehicle. The number is on a
plate attached to the cowl panel located on
the left corner of the dashboard. This plate
can easily be seen through the windshield
Motor Vehicle Safety Standard Label (U.S.A. ...
