Functional Test and Test Step Description

FUNCTIONAL TEST

BRAKE TORQUE CONTROL CIRCUIT: Lift the vehicle in the rear until both rear wheels are freely movable. Secure
the vehicle from moving. Start the engine. Put the gear selector lever in the
`D' position. Push the accelerator pedal to the floor.

NOMINAL VALUE/DESIRED RESULT POSSIBLE CAUSE/ACTION


The rear wheels are If nominal value is not maintained
noticeably braked, at conduct the ABS/ASR ELECTRONIC/ELECTRICAL
the same time the SYSTEM TEST. Also refer to the ELECTRONIC
Return/Pressure Pump ACCELERATOR TEST.
is audible. The engine
speed is controlled to
approx. 1000 rpm.

Test Step Descriptions And Symbols:

ABS/ASR ELECTRONIC/ELECTRICAL SYSTEM TEST STEP DESCRIPTION

Using the proper test equipment the test should start at Test step 1 and the adapter position represents the setting on the ABS-adapter (see REQUIRED TEST EQUIPMENT). For example 7/2 means test step 7 using adapter position setting 2. Scope of the test is the circuit being tested. Test equipment/test connection is for which tester and terminals to be used for that specific test. Test condition is the state of the ignition system and action required to initiate test. Nominal value and Possible cause/remedy are the desired result and the action to take if not correct. Use the images above for symbol identification.