Description

NOTE: This section describes the Porsche System Tester 9288. It offers many more functions as a "generic scan tool" does. Troubleshooting and repair is also possible with a "generic scan tool".

The System Tester 9288 is a commercially available tester which allows all systems filled with a diagnostics interface to ISO standards to be checked. The following operations may be carried out:
- Reading out the fault memory
- Checking the actuators (drive links)
- Checking the switching inputs
- Reading out the actual values
- Quick testing
- Reading out the vehicle data
- Reading out cycle flags
- CO Adjustment (only vehicles without catalytic converter)

Faults
The System Tester 9288 is a sophisticated electronic device. To prevent damage to the unit due to improper handling, please pay close allention to the Operating Instructions.

In case of tester failure, please check the following items before returning the tester for repair:
1. Was the tester operated incorrectly?
2. Is the charging state of the accumulator o.k.?
3. Is the adapter lead o.k.?











Design of the tester
1. LCD display
Operation:
Dot matrix 5 x 8
4 lines of 20 characters each
Foreign languages possible
Illumination

NOTE: If the System Tester 9288 is switched on without the program module, the Tester is switched off after the self-test is run and a note concerning the missing program module is displayed.

2. Keyboard
Operation:
Keys
1, 2, 3 Select keys
Key < > Paging up and down

NOTE:
Switch on: with any key
Switch off: 180 s after last actuation of any button or automatic if no data stream flows across the serial interface.

Key H For Help menu, e.g.:
Illumination
Stored displays
Control unit overview
Printer setting
Switch off unit

NOTE: If the last field in the right-hand top corner is filled out completely, this is a stored display, not a current display.

Key N
Return to next higher
program level after
finishing a test run or
return to last display
while a test is run.

Key ---><> Store display
Key <>--->0utput stored display

3. Power supply
If the voltage is insufficient, "Charge accumulator" is displayed. If this warning is not observed, the device is switched off.

NOTE: Built-in accumulator with NiCd batteries. System Tester 9288 must be off when it is charged for the first time. Charging time > 8 hours

Connect to vehicle battery via adapter lead (item 7) 9288/3
Connection to ISO interface & Charging power supply

Charger - Supplied with tester - For testing operation and to charge the NiCd batteries
After charging: Operating time
4 - 8 hours without illumination
1 - 2 hours with illumination

4. Socket for input and output devices
Connection feature for printers (e.g. Epson, IBM, Hewlett Packard (HP), program charging station or similar devices.
For interface terminal assignments, refer to manual of the respective device.
Printer cable for Standard D 25 BOSCH No. 1 684 465 193
Printer cable for Epson BOSCH No. 1 684 465 194

NOTE: The System Tester 9288 sends data with the following settings: 8 data bits / 1 start bit / 1 stop bit / No Parity (for printer adaptation)

5. Socket for adapter lead 9288/3
Function 1: Reading out the data
Function 2: Connection for power charger

NOTE: Input for flashing code support. Charging the fitted accumulator

6. Insertable program module

CAUTION: C-MOS - Do not touch connector!

Operation:
Operating system
LCD triggering of keyboard
Interface communication
Calculations and data transformations

NOTE: Plug in module - Remove rubber protection, Push in module all the way.

7. Adapter lead 9288/3