Connection and Use of Test Equipment (System Tester 9288)

PDAS diagnosis with system tester 9288

General

The PDAS/ABS control unit is capable of self- diagnosis. In other words, the control unit can detect, store and output certain faults from the PDAS and ABS.

Diagnosis is performed with the system tester 9288. The tester 9268 cannot be used.

Continuous positive is present at the PDAS/ABS control unit so that faults which have been detected and stored are not cleared when the ignition is switched off.


Possible uses of the system tester 9288 for PDAS

- Reading out the fault memory, clearing the fault memory
- Bleeding the locks (Rep. Gr. 47)
- Testing the longitudinal and transverse locks (locking torque)
- Testing the full-lock switch (traction switch in the center console)


Connection of the 9288 and procedure

Note: PDAS diagnosis with the system tester 9288 must be performed with the ignition switched on and the vehicle stationary.




1. Tester 9288 in conjunction with connecting cable 9288/1 (adapter cable)




Connect at the diagnosis socket in the passenger footwell (under the cover).

2. Switch on ignition and tester. It i9 possible to switch on the tester by means of any key.

3. Select vehicle type and then the system (PDAS).

If the following display appears:
No data exchange possible
Restart: >
Abort: N
Press the key > (restart).

If no PDAS appears in the display "built-in systems", this may have the following cause:
- Engine running
- Voltage supply for the control unit interrupted
- Ground missing
- K-lead or L-lead from diagnosis unit not ok
- Control unit faulty

4. Menu selection

Possible PDAS menus/explanation

1 = Fault memory
Read out fault memory/ fault elimination
Clear fault memory

2 = Drive links
Bleed
Testing transverse lock
Testing longitudinal lock

3 = Input signals
Full-lock switch test
(Traction switch in center console)

5. Information on desired menu
Menu 1 = Fault memory
Menu 2 = Drive links
Bleeding:
Testing transverse and longitudinal locks:
Test point 4
Menu 3 = Input signals
Full-lock switch test:
Next supplement for troubleshooting under No.19 (troubleshooting No.1).