Vehicle Electrical Tests Mazda 3 (BK)

Instrument cluster I/O check mode
Table 7.7.5. Instrument Cluster I/O Test Codes Note: verification codes that are not listed may be displayed but cannot be verified. verification codes are displayed in...

Front door speaker test
Check the resistance between the front door speaker terminals. If the resistance is not correct, replace the front door speaker. Resistance: 4 Ohm. Connect a 1.5V...

Checking the front speaker of the upper sound frequencies
Check the resistance between the front tweeter terminals. If the resistance is not correct, replace the front tweeter. Resistance: 3.2 ohm. Connect a 1.5V battery to the...

Checking the antenna feeder
Verify that there is no electrical connection between terminals A and B of the antenna using an ohmmeter. Pic. 7.85. Antenna feeders #1 and #2 Check resistance. Pic....

Checking the audio control switch
Disconnect the negative cable from the battery. Remove the driver's airbag module. Disconnect the audio control switch connector. Check for resistance and continuity...

Checking the Power Window Motor
1. Apply voltage from the positive battery terminal and connect the power window motor terminals E and F to ground, and then test the operation of the power window...

Checking the Power Window Master Switch
1. Measure the voltage on all pins (except pins H and I). If the voltage differs from that indicated in the table, check the voltage indicated in the column «Checked...

Checking the Power Window Switch
Measure the voltage at the terminals (except pins G and H). If the voltage differs from the specified table , check those indicated in the column «Checked items»...

Checking the heated rear window filament
Set the ignition switch to the ON position. Turn on the rear window defroster. Pic. 7.90. Checking the heated rear window filament Attention! Touching the rear window...

Checking the electrically adjustable exterior mirrors
Apply voltage from the positive battery terminal to the power door mirror terminals and check its operation. If the test results are not correct, replace the power...

Check of the switch of external mirrors with the electric drive
Check continuity between the power door mirror switch terminals using an ohmmeter. Pic. 7.94. Power Exterior Mirror Switch Diagnostic Connector If the test results are...

Checking the lock and rear door lock actuator
Apply voltage from the positive terminal of the battery and connect the corresponding terminals of the door lock actuator to ground and check its operation. Pic. 7.96....

Checking the lock and the front door lock actuator
Apply voltage from the positive terminal of the battery and connect the corresponding terminals of the door lock actuator to ground and check its operation. Pic. 7.97....

Checking the lighting control switch on the instrument panel
Measure voltage across all pins (except output D). If the voltage differs from the specified table 7.8, check the indicated in the column «Checked items» elements and...