Tcs (Dsc) Off Switch Removal/Installation - Mazda 2002 6 Workshop Manual

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Brake switch

Power supply

(Solenoid valve)

Power supply

: Use this terminal at factory only, not used for inspection and repair at field

Inspection Using An Oscilloscope (Reference)

• ABS/TCS HU/CM terminal:

RR : A ( + ) — B ( - )

LR : C ( + ) — F ( - )

RF : D ( + ) — G ( - )

LF : E ( + ) — I ( - )

• Oscilloscope setting:

1 V/DIV (Y), 2 ms/DIV (X), AC range

• Vehicle condition: Driving 30 km/h (18.6 mph)

• As vehicle speed increases, period of wave

• If there is malfunctioning in the sensor rotor,

wave profile warps.

Vehicle speed output

• ABS/TCS HU/CM terminal: V( + ) — AC ( - )

• Oscilloscope setting:

1 V/DIV (Y), 5 ms/DIV (X), DC range

• Vehicle condition: Driving 30 km/h (18.6 mph)

• As vehicle speed increases, period of wave

TCS (DSC) OFF SWITCH REMOVAL/INSTALLATION

1. Press the hooks of the TCS OFF switch and pull the switch out.

2. Disconnect the connector.

3. Install in the reverse order of removal.

Connected to

Test condition

Brake pedal is

Brake switch

Brake pedal is

Ignition switch

• Inspect related harness

A6E692167650W02

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