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Mazda CX-5 Service & Repair Manual: Lap Pre Tensioner Seat Belt [Two Step Deployment Control System]

Mazda CX-5 Service & Repair Manual / Engine / Control / Lap Pre Tensioner Seat Belt [Two Step Deployment Control System]

Purpose

Function


Construction


Operation

Lap pre-tensioner activation

1. The gas generator emits a spark when a signal is received from the SAS control module, causing gas to form.

2. The gas pressure pushes the piston inside the tube, pulling the lead wire.

3. As the lead wire is pulled, the part of the seat belt attached to the wire is also pulled.

4. The slack in the belt is tightened by the front seat belt being pulled by the lap pre-tensioner seat belt and the seat belt ELR mechanism, restraining the passengers.


After activation

1. After operating (deploying) the pre-tensioner, the lead wire is pulled back. However the front seat belts are locked by activation of the stopper function so that the belt webbing is not released.

2. The restraint force of the seat belt is adjusted by the front seat belt load limiter mechanism, preventing injury to the driver and passenger from seat belt pressure.


Fail-safe

Ion Sensor
Purpose/Function Detects ion generation in the combustion chamber for detecting pre-ignition. Detects ions which occur due to fuel combustion as current by applying bias voltage to t ...

Neutral Switch Inspection
Continuity Inspection 1. Disconnect the negative battery cable.. 2. Remove the neutral switch.. 3. Inspect for continuity between neutral switch No.1 terminal A and B. If not as speci ...

Other materials:

Cooling Fan Motor Inspection
Part Inspection 1. Verify that the battery is fully charged.. 2. Disconnect the cooling fan motor connector (2 terminals). 3. Install a tester and battery to the cooling fan motor connector (2 terminals) as shown in the figure. 4. Verify that each cooling fan motors operate smoothly at ...

ABS Wheel Speed Sensor And ABS Sensor Rotor
Purpose/Function The ABS wheel-speed sensor and ABS sensor rotor detect the rotation condition of each wheel and transmit this information to the DSC HU/CM. The signal from the ABS wheel-speed sensor is the primary signal that the DSC HU/CM uses when carrying out control. ...

Blind Spot Monitoring (Bsm) Control Module Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the rear combination light.. 3. Remove the rear bumper.. 4. Disconnect the connector. 5. Remove the nuts. 6. Remove the BSM control module. 7. Install in the reverse order of removal. 8. Perform the BSM radar test.. CAUTION: ...

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