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Home >> Porsche >> 2013 >> Cayenne Turbo >> Repair and Diagnosis >> Suspension >> Rear Suspension >> 4X - Chassis - General -- 92A Cayenne >> WM 4X00IN Tests/Instructions For All-Wheel Drive (Cayenne, Cayenne GTS, Cayenne Turbo S, Cayenne S, Cayenne S E-Hybrid, Cayenne Turbo, Cayenne S Diesel, Cayenne (3.0)) >> Information >> EBP Test

EBP Test

Information 

Accelerator pedal must not be pressed.

All conditions must be valid for 1 second because only then is roller-type test stand mode detected!

Entry conditions for roller-type test stand mode in the EPB control unit

Ignition on.
VIN is entered correctly.
Vehicle is coded correctly.
Transmission disengaged: manual transmission at idle speed, PDK in neutral position "N".
Speed on front axle < 2.2 km/h
Speed on rear axle: < 12 km/h
The clutch pedal is no longer queried on the Cayenne.

Exit conditions for roller-type test stand mode in the EPB control unit

Ignition off.
CAN transmission information invalid.
Clutch not pressed or selector lever not in position "N".
Speed on all wheels: V < 2.2 km/h

Test procedure

Roller-type test stand detected.
Switch actuated to tightening direction.
Once the pad contact point is reached, the first actuator pauses until the second one reaches it.
Tighten both actuators (no time delay).
Balance the left and right wheel speed delta.
Exit roller-type test stand mode when the wheels are locking.
NOTE: The strategy is identical for grey cast-iron and PCCB brakes!