Visual Inspection
1. Remove the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.)
2. Make sure that the sensor is free of any metallic shavings or particles.
3. Install the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.)
Wave profile Inspection
1. Remove the PCM. (See PCM REMOVAL/INSTALLATION.)
2. Connect WDS or equivalent to DLC connector.
3. Connect osilloscope test leads to the following PCM connector terminals.
4. Start the engine.
5. Monitor VSS PID.
6. Inspect wave profile.
- If wave profile or voltage are out of specifications, carry out the Open Circuit Inspection or Short Circuit Inspection
Power Supply Voltage Inspection
1. Disconnect the VSS connector.
2. Turn the ignition switch to ON.
3. Measure voltage at VSS connector terminal B (wiring harness side).
Specification
4.5-5.5 V
Open Circuit Inspection
Inspect the following circuit for open.
Short Circuit Inspection
Inspect the following circuit for short.
Sensor Rotor Inspection
1. Remove the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.)
2. Shift the selector lever to N position.
3. Inspect sensor rotor surface via VSS installation hole while rotating the front tire manually.
(1) Is sensor rotor free of damage and cracks?
(2) Is sensor rotor free of any metallic shavings or particles?
- If sensor rotor is okay, replace the VSS.
- If there is a problem, clean or replace the sensor rotor.
Mazda 6 Service Manual: Rear center seat belt removal/installation
Caution
The ELR has a spring that will unwind if the retractor's cover is
removed. The spring cannot be rewound by hand. If this occurs, the ELR will
not work properly. Therefore, do not disassemble the retractor.
4SD
1. Fold the rear seat back.
2. Remove the rear package trim.
3. Re ...
Mazda 6 Service Manual: Rear upper arm removal/installation
Caution
Performing the following procedures without first removing the ABS
wheel-speed sensor may possibly cause an open circuit in the harness if it
is pulled by mistake. Before performing the following procedures, remove the
ABS wheel-speed sensor (axle side) and fix it to an appropri ...