Input signals (ABS and ABS/TC)

The following input signals can be checked with this menu (with this function):

• Stop-light switch
• Valve relay
• Return pump
• Signal, terminal 61
• TC switch

The five input signals can also be displayed simultaneously.

Further to the stop-light switch: 

Press the brake pedal.

Required display:

• Changes from "not actuated" to "actuated".

Further to the valve relay: 

The following appears in the display panel if the ignition is switched on or the engine is running and if the system is intact: "Valve relay picked up".

Further to the return pump: 

Display: Return pump not running

(Display if the pump were running: Return pump running).

Further to signal terminal 61: 

Required display:

• with engine not running - not present
• with engine running - present

Further to the TC switch: 

Required display without actuation: 

• TC switch not actuated.

Required display, depending on actuation: 

(Switching Traction Control off or on): 

• TC switch ON actuated or
• TC switch OFF actuated.