Operating instructions for System Tester 9288

Porsche 944

856-03

1. General information

1.1 Application

The Systemtester 9288 (BOSCH KTS 301) is a microprocessor-controlled self-diagnosis tester.

All systems which have a diagnosis Interface as per ISO Standard can be tested with this tester. The following tests are possible:

• Reading out the fault memory

• Testing of the actuators

• Testing the circuit inputs

• System adaptation

• Engine-knock detection

• Sensor and status checks, tire-pressure monitoring (RDK)

1.2 Construction (Fig. 1)

The Systemtester 9288 is a high-quality piece of electronic equipment. In order to prevent damage to the equipment as a result of improper use, please read the information in the operating instructions carefully and comply with it.

In addition, the instructions (specifications) of the vehicle manufacturer are also to be observed.

If the tester should fail, check the following points before sending it in for repair:

1. Has the tester been operated incorrectly?

2. Is the battery sufficiently charged?

3. Is the adapter cable OK?

(Please note when checking the adapter cable that a highly sensitive electronic matching circuit is installed in the vicinity of the 19-pole plug).

1.2 Construction (Fig. 1)

No.

Description

Function

Remarks

1

LCD indicator

Dot matrix 5x8 4 lines each with 20 characters Foreign languages possible Illumination

If the Systemtester 9288 is switched on without the program module, following the self-test the tester switches off automatically and informs the user that the program module is not fitted.

2

Keyboard

Keys 1, 2, 3 = Selection key Keys < > = Previous page/next page Key H - Help menu, e.g.: Illumination Screens stored Control-unit overview Setting up printer Switching off unit Key N = Return to the next higher program level following termination of a test sequence or, during a test sequence, return to the last display Key ■£> = Storing indication Key = Playing back stored reading

Switching on: = Press any key Switching off: = 180 s after last (automatic) depression of a key or if no data stream flows across the serial interface.

The last field in the top right-hand corner is filled completely, this means that this is a stored figure and not an actual, real-life figure.

3

Power supply

Fitted accumulator with NiCd batteries. The Systemtester 9288 must be switched off during the initial battery charging process. Charging time > 8 hours

Discharged upon delivery. Following charge: Operating time:

4-8 hours without scale illumination 1 -2 hours with scale illumination

If the voltage is not sufficient, "Charge battery" appears on the display. If this is not done, the unit switches itself off.

Connection to vehicle battery by means of vehicle-specific adapter lead (see 1.4)

Connection through ISO-interface Charging voltage supply

Battery charger (accessory)

For test operation and for charging the NiCd batteries.

4

Connection for input and output devices

Connection facility for Printer e.g. Epson, IBM, Hewlett Packard (HP)

The Systemtester 9288 transmits data with the following configurations: 8 data bits /1 start bit /1 stop bit / No parity (for printer matching)

5

Connection for vehicle specific adapter lead

Reading out the data

Input for flashing-code support

6

Plug-in programme module (see also Figure 2)

A C-MOS I Do not touch plug !

Operating system LCD drive Keyboard

Interface communication Computations and data conversions

Plug in module: remove rubber protector, insert module fully.

1.3 Battery charger run off mains voltage (Figure 3)

Item 1 Charger with connecting cable, 1.5 m long Item 2 8-pin AMP plug

1.4 Vehicle-specific adapter cable Porsche No. 000 721 928.81

1.5 Connecting lead (Figure 4)

- Self-fabrication -

for printer, programme load station or similar unit.

For interface-trunk assignment, see manual of corresponding unit.

Printer cable for standard D 25

BOSCH No. 1 684 465 193

Printer cable for EPSON

BOSCH No. 1 684 465 194

Due to the fact that the Systemtester 9288 can store error displays (see Chapter 3.7), the following display will appear if errors have been stored in the image memory:

Stored displays erased 7

1 = yes 3 = no

Key 3

Display:

Print out displays:

H

continue:

-

Vehicle types

1

= 944 S

2

= 911 Carrera 4

3

= 928 S 4

2. Connection

The following points must be observed:

- No gear must be engaged on the vehicle (Automatic transmission in position N-P) - Danger of Accident I

- ALL work on the vehicle must only be carried out with the ignition switched off.

After having connected the vehicle-specific adapter cable, the instructions listed under "3" are displayed on the Systemtester 9288:

2.1 Charging with the battery charger (Fig. 3)

Connecting the Systemtester 9288 to the battery charger. (Fig. 1, pos. 5).

2.2 Diagnosis

Connecting the Systemtester 9288 to the diagnosis plug in the vehicle by means of the vehicle-specific adapter cable. Switch on the tester and proceed according to the instructions displayed.

3. Testing

Scope of module:

Guidance through the menu, communication with the ECU, reading out the error memory and selection of the "Help" menus, actuator diagnosis, circuit inputs and system adaptation, engine-knockdetec-tion, sensor and event check for the tire-pressure monitor (RDK).

3.1 Reading-out the error memory

Connect the Systemtester 9288 (see 2.) Switch on the Systemtester, (possible with every key!) Display:

Selection of the vehicle type with key 1, 2 or 3.

After the vehicle type has been selected, the following Instruction appears:

Connect adapter cable to veh. plug. Ignition "ON". After completion: >

The following then appears:

Wait for

Data

Break off test:

N

After a short pause, the Systemtester 9288 reports all the systems that are installed in the particular vehicle. If a system is preceded by " # ", this means that at least 1 error Is stored In that particular system. Examples:

Installed systems

The particular system can be selected by means of key 1, 2 or 3. After selection (for instance with key 1), the following display appears :

PORSCHE Eprom modul eng Mod. intro. xx.xx.xx

L01 LH-JET

92861812313

0280002507

If a specific instruction does not appear In a display, it is always possible to proceed by pressing the button

After pressing the key > , a selection menu is displayed:

After the last displayed error, the following instruction appears:

Menu

1 - Fault memory

2 = Drive links

3 = Input signals

1 = System adaptation

In the example - press key 1. There then follows the display of the number of errors which are stored (if any).

Proceed with key >

Additional info to every display with key 1 continue:

Proceed with key : Error output:

1 : Engine temperature sensor 2 Short to ground not present

If key 1 is pressed Instead of the > key, the corresponding error code display appears (the last two digits of the flashing code}.

Proceed with key >

Further errors are displayed (if they exist):

2: Idle contact

Short to ground present

If key 1 is pressed instead of key > the corresponding error-code display appears (the last two digits of the flashing code).

Repair fault according to repair instructions Continue:

Proceed with key >

Proceed with key >

Return to display "No. of errors" with key 3. Proceed with key 1:

Fault memory 1 = Erase 3 = Do not erase

If key 3 is pressed: = Return to menu "error memory". The error memory is not erased I

Proceed with key 1:

Fault memory has been cleared

Return: I

The test scope "Read-out error memory" is terminated at this point.

3.2 Actuator diagnosis

If an actuator is selected, this is triggered by the ECU so that it can be checked for correct functioning.

The various actuators components are gone through one after the other and are selected with the > key. Operate the Systemtester 9288 as described under 3.1 until the following menu display appears:

Menu

1 = Fault memory

2 = Drive links

3 = Input signals

After pressing key 2, the display for the first actuator appears:

Injector

to activate

1 = Start

Continue:

>

If key > is pressed, the next actuator is selected. Pressing key 1 results In the following instruction:

Key 1 selects the next actuator (e.g. idle actuator). Following Instruction:

Repair fault according to repair Instructions Continue:

After pressing key >, the following display appears:

Injector

to activate

1 = Start

Continue:

>

Proceed with key 1

Proceed with key 1

Proceed with key 1 to the next actuator.

Idle stabilizer

to activate

1 = Start

Continue:

>

Proceed with key 1

Can idle stabilizer be heard / felt ? 1 = yes 3 = no

By pressing key 1, the next actuator is selected. After pressing key 3, the next instruction appears:

Repair fault according to repair instructions Continue:

Proceed with key :

Idle stabilizer

to activate

1 = Start

Continue:

>

After pressing key 1, the following display appears:

Can idle stabilizer be heard / felt T 1 - yes 3 = no

By pressing key 1, the next actuator is selected. The actuators are selected one after the other and triggered until the following display appears:

Drive link test

completed

Return :

N

By pressing the key N, the operator is returned to the menu.

3.3 Circuit inputs

In addition to the actuators, the Systemtester 9288 can also check circuit inputs. To this end, operate the Systemtester 9288 in accordance with 3.1 until this menu display appears:

Menu

1 - Fault memory

2 = Drive links

3 = Input signals

Press key 3

Idle contact

1 = Start

Continue:

>

By pressing key > the next circuit input is selected. The next display appears when key 1 is pressed.

Activate accl. pedal Idle contact - closed -Continue:

Operate the accelerator pedal, the following display appears:

Activate accl. pedal Idle contact - open -Continue:

The next circuit input is selected by pressing key >. Repeat until this display appears:

Input signals testing completed

Return:

Press key N for return to menu

3.4 System adaptation

When the function "System adaptation" is triggered, the ECU registers the basic air requirement of the engine. To this end, operate the Systemtester 9288 as per 3.1 until the following menu display appears:

Menu

1 - Fault memory

2 = Drive links

3 = Input signals

Proceed with key :

1 = System adaptation

Proceed with key 1

Prerequisite: Eng. at oper. temp, with all consumers and ignition off.

Proceed with key :

System adaptation 1 = Start

Return:

If key N is pressed = return to menu. If key 1 is pressed:

Following engine start there appears:

System is being adapted

Please wait !

After approx. 30 sees there appears:

System adaptation completed

Return:

If it is impossible to carry out system adaptation (idle contact not closed, or defective), the following display appears:

No system adaptation possible Idle contact ? Return: N

After completion of the system adaptation, return to the menu with key N.

3.5 Engine-knock registration

The engine-knock registration function can only be triggered through the EZK or DME control unit.

To this end, operate the Systemtester 9288 as described in 3.1 until the following display appears:

Installed systems

The particular system can be selected by means of key 1,2 or 3. For instance with key 2 the following display appears:

EZK

System :

E01EZK

Ser. No.

92861812415

RB. No.:

0227400154

Proceed with key >

The following menu display appears:

1 = Fault memory

2 = Knock registration

Proceed with key 2

Condition: Engine at operating temperature

Proceed with key >

< Start knock registration before test drive

Proceed with key >

< A normal test drive is a prerequisite

Proceed with key ;

-= Stop the test drive only if the display with the no. of knocks comes on.

Proceed with key

Knock registration 1 = Start

Return:

Pressing key 1 activates the engine-knock counter:

Knock registration in progress

Please wait I

The knock counter registers 10,000 ignitions before the display with the actual number of combustion "knocks" appears.

Number

Knocks :

XXX

Combustion :

xxxxx

Continue:

>

Proceed with key >

< Help menu

1 = Printer setting

2 = Switch off equip.

Proceed for instance with key 1

Proceed with key >

Knock registration completed

Return: N

If knock registration is impossible (due to lack of engine-speed signal), the following display appears:

No knock regist

ration possible.

RPM signal ?

Return:

N

Following completion of the knock registration test, return to the menu with key N.

Printer setting

The selection of the printer results in the tester being set up for the printer type in question.

3.7 Store measurement displays (Key ) Using key *>, all displays can be stored manually. The following displays are stored automatically:

- ECU-ldentity

- Installed systems

- All existing errors

When the memory limit is reached, the following instruction is displayed:

3.6 Help menu

The "Help" menu can be selected from every display by pressing key H. Return to the initial display with key N.

Data display mem. full I

Return: N

Help menu

1 = Illumination

2 = Display stored

Proceed, for instance with key 1: Key 1:

The scale illumination is switched on and the tester returns to the previous display.

Or with key 2:

Data display stored

Proceed with key 1

Stored displays are printed out (If printer connected). Proceed with key 2 Stored displays are erased.

3.8 Show stored measurement displays (Key <» ) Using the keys < or >, the stored displays for the selected system can be shown.

The stored displays can be called up by means of the key. The system selection (LH - EZK - RDK) takes place with the keys 1, 2 or 3.

4. Service and wear parts (BOSCH)

Fig.

BOSCH Part No.

Designation

Comment

1/3

1 687 335 002

NC- battery

4/1

1 684 483 152

Plug

4/2

1 684 485 170

Socket

9pole

4/3

1 680 552 005

Screwed cap

1 684 465 193

Printer cable

(Standard D25)

1 684 465 194

Printer cable

(EPSON)

4.1 Service parts (Porsche)

With the "Help" menu, for instance

Help menu

1 = Illumination

2 = Display stored

if the key > is pressed, a furthersection of the "Help" menu is displayed :

Designation

Porsche Part No.

Special tool No.

Systemtester 9288

000.721.928.80

9288

Adapter cable

000.721.928.81

9288/1

Battery charger

000.721.928.82

9288/2

Module (D)

000.721.928.84

9288/4

Module (GB/USA)

000.721.928.85

9288/5

Module (F)

000.721.928.86

9288/6

Module (I)

000.721.928.87

9288/7

Module (E)

000.721.928.88

9288/8

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