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TOAD Auto Diagnostics

TOAD (Total OBD & ECU Auto Diagnostics) is a complete package that allows anyone to check on the health and performance of their car. The TOAD system shows detailed information about your cars engine, transmission, brakes, airbag system, and anything else you need to know. Optimize your cars ECU chip to run more efficient, using 17 advanced software applications. In addition to locating the problem the TOAD system comes with comprehensive manuals that will walk you through the process of fixing any problems your car may have. Easily look up any error codes that the TOAD system might find inside your cars computer. For those who wish to work on their own car and prevent having to go into a shop, the TOAD system is exactly what you need. The people at Total Car Diagnostics have spent years programming ECUs from scratch, They know exactly how they work from the ground up. Their team includes typical car service mechanics, electrical specialist, and programmers. The TOAD system was built because they saw a need in the market that no one else was fulfilling. They built their TOAD system because they loved their cars and know that you do too. Read more here...

Total OBD & ECU Auto Diagnostics Overview

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Operating instructions for System Tester 9288

The Systemtester 9288 (BOSCH KTS 301) is a microprocessor-controlled self-diagnosis tester. 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. 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. Fitted accumulator with NiCd batteries. The Systemtester 9288 must be switched off during the initial battery charging process. Charging time > 8 hours The Systemtester 9288 transmits data with the following configurations 8 data bits 1 start bit 1 stop bit No parity (for printer matching) 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 After having connected...

ABS 5 test with System Tester 9288

Porsche 993 Ecu Scanner

When carrying out operations on the hydraulic unit, the rpm sensors and the wire assembly, or when replacing units, a system check (operational check) with System Tester 9288 must be carried out. This may be required e.g. after accident repairs. This check ensures that confusion of electrical wires and hydraulic lines is avoided and that correct system operation is ensured. When replacing certain brake pipes, e.g. at the intermediate section (in the upper left spare wheel well), a system check must also be run. Inadvertent bending of the brake pipes may cause the hydraulic connections to be incorrect in spite of the presence of different threads (M12 x 1 and M 10 x 1). 2. If a fault is displayed, (and if no assembly operations have been carried out before) diagnosis and troubleshooting are also carried out with System Tester 9288. To run the test, select System ABS 5 or ABS 5 ABD, respectively, and read out the fault memory. The relevant menus (page 45-9) may then be used to locate...

Calibrating convertible top

Calibration of the Cabriolet convertible top and the convertible top compartment lid is carried out with the Porsche System Tester 2 diagnosis. The respective potentiometer values (convertible top and convertible top compartment lid) are established during calibration. If the potentiometer values are plausible, the values are

964 Oil Temperature Sensor

Sensor Pmh Porsche 964

The heater and or air conditioner can be checked with a 9288 System Tester or 9268 Tester. The 9268 tester is connected in the 19-pin diagnosing socket with help of adapter leads 9268 2 and 9288 1. 9288 System Tester see Repair Group 03, Self-diagnosis. If the control lamp for the airbag system indicates a fault, flashing code diagnosis with the 9268 Tester will not be possible. Diagnosing is only possible with a 9288 System Tester.

Checking operation of installed viscous clutch

Connect system tester and select Actual values menu (ABS speed) (Refer to Vol. 4. When the rollers have started, switch on ignition and press key > of system tester. The tester will then return to the point where diagnosis was interrupted. 5. The viscous clutch is operative if the tractive power of the front wheels is within the boundary curves on the diagram. The driving speed of the front axle must be taken into account during these measurements (speed can be read off on System Tester 9288).

Adjusting kickdown switch

Switch on system tester and select throttle valve in DME actual values menu. 4. With the pushrod unhooked, push the accelerator pedal down to the stop (throttle valve open up to stop) and read throttle position 1 off on system tester. 6. Push gas pedal down as far as possible without operating kickdown switch and read off throttle position 2 on system tester.

Important notes on the diagnosis and assessment of RDK faults

If tire pressure loss is indicated continuously, inspect the tire for external damage or penetration by foreign bodies, and check the wheel for leaks. Perform the quick RDK test (Page 44-28), in order to determine whether a pressure sensing switch is faulty. If necessary, localize the faulty pressure sensing switch (there are 2 pressure sensing switches for each wheel) with the 9288 system tester, menu 3 Switch Inputs (pressure sensing switch test). The event memory stores data from the last 8 times the car was driven. The event memory is read out with the 9288 system tester there is no provision for erasing it (Page 44 - 312).

Porsche 928 Psd Abs Failure

Possible fault displays via system tester 9288 DTCs of the PSD and ABS Faults occurring in the high-pressure hydraulics of the PSD (lock operation) are not stored in the DTC memory of the ABS PSD control unit. Troubleshooting fault description is also included in Repair Manual Vol. 3 (Page D39-247).

Diagnosable DME Control Unit

The fault path and fault code displayed on the System Tester 9288 will be complemented by the relevant test point in the troubleshooting plan. The Eprom module Version 4.0 may be used to select the following menus that may in turn be used to select additional submenus. These are displayed by the System Tester in text form. Note for System Tester 9288

Tire pressure warning system RDK diagnosis General

Porsche Diagnose 928

- The system tester 9288 will be used for PORSCHE DIAGNOSIS from Mod. 89 onwards. PORSCHE DIAGNOSIS can be used for all systems capable of self diagnosis. Capable of self diagnosis means the control unit can detect, store and output system errors. As the number of systems capable of self diagnosis will be increasing in the forseeable future, diagnosis of the relevant system will be filed at the end of the respective repair group as of now. The pages in repair group 03 continue to be applicable. Apart from the diagnosis procedure filed there to date (flashing code diagnosis with tester 9268) this will also contain a description of how to operate system tester 9288 (OFF-board diagnosis with plain text output). Areas of application for the 9288 system tester on the RDK tire pressure control system Connecting the 9288 system tester, testing procedure

Test point 0 K and L wire

Connecteur Prise Obd Porsche 968

If it is not possible to start the diagnosis with the System Tester 9288, the following checks should be made Disconnect connector 2 (yellow) from alarm control unit. Connect special tool 9540 between alarm control unit and connector 2. Connect oscilloscope to terminal 14 (L wire) of special tool 9540. Check L wire. To do so, turn on ignition and switch on System Tester 9288. Start diagnosis (by provoking fault).

Checking the locking torque friction coefficients of the longitudinal and transverse locks

If a fault is indicated by the PDAS ABS warning lamp, first read out the control unit fault memory with the system tester 9288. To remedy the fault, use the ABS 2-LED tester in conjunction with the 55-pole adapter cable if necessary. The adapter cable is also used for sensor testing. After repair work on ABS components (as known from 944 and 928), perform a test with the ABS 2-LED tester under all circumstances.

Hartech Warranty Guarantee and Lifetime Maintenance Plan

Although it would not then be covered by the guarantee, it would still be covered under the Lifetime Maintenance Plan. Other examples of components that cannot absolutely be tested during sales preparation (unless they have already failed of course), but might be found to be OK but still might fail shortly afterwards, are - Clutch rubber cush drive, Cylinder head gasket, Oil cooler or seals, Torque tube drive bearing, Metal fatigue of gearbox final drive gears, valve springs etc, Electronic control unit (ECU), ABS units & sensors, differential locks, warm up regulator valve etc, inaccessible hoses etc (list for example not exhaustive).

Diagnosable Tiptronic control unit

This connector allows System Tester 9288 or the Flashing Code Tester 9268 (via adapter cable 9268 2) to be connected. Operation of the testers is described in the tester instruction manuals. The relevant test point is complemented by the corresponding fault flasher code of Tester 9268. As of tester module level 4.0, the following items can be checked or read out with System Tester 9288 - Before replacing the transmission or the electronic control unit, always check the wiring harness and system components with the System Tester. Otherwise new new control unit or transmission may be destroyed again.

Important information

After removing manometer, select System Tester menue for drive links bleeding and let off brake fluid from bleed valves of longitudinal and transverse lock servo cylinders until no more air bubbles appear. Disconnect System Tester and correct brake fluid level with pressure reservoir completely full (after pump unit has automatically switched off). On no account top up above max. mark. - System Tester 9288 is required for testing. 3. Connect System Tester 9288 to diagnosis socket (P. D39 45-9). Switch on System Tester and ignition. Call up PDAS menue for drive links and select check transverse lock. 6. With the System Tester select check longitudinal lock In menue for drive links. With 0 impulses it must be possible to turn front left-hand wheel (front right-hand wheel immobilised). Input 1st impulse and turn wheel, input 2nd impulse and turn wheel etc. Prescribed reaction With increasing number of impulses, wheel should become harder and finally impossible to turn. - After rectifying...

Replacing Brake Fluid Bleeding Brakes and Lock Control

Porsche 964 Carrera

Connect System Tester 9288 in conjunction with connecting lead 9288 1 in the diagnostics socket in the passenger's foot-well (underneath a cover). Turn on ignition and tester. Select type of vehicle and PDAS system afterwards. Then go into the drive menu. Afterwards activate the solenoids again with a 9288 System Tester (bleeding position in the drive menu) and drain about 200 cc of brake fluid on the bleeder valve of the axial lock cylinder. Disconnect system tester.

Checking the ABS operation

When performing service operations on the hydraulic unit*, electronic control unit*, on rpm sensors and or the wiring harness or when replacing units, e.g. during accident repairs, the operation of the ABS system must be checked with the ABS tester. * Hydraulic unit and electronic control unit must neither be repaired nor dismantled. The electronic control unit checks itself via a self-diagnosis routine. For this reason, checking the control unit is only possible or required, respectively, if an ABS test is performed and only if tester version Bosch K 7 (VAG 1516) Is used.

Further to 2 Bleeding the lock cylinders and pressure lines

Connect the system tester 9288 to the diagnosis socket (right in the passenger foot-well) with the connecting cable 9288 1. - Then operate the solenoid valve again with the system tester 9288 (in the drive link menu item Bleeding) and also remove brake fluid at the bleeder valve of the longitudinal lock cylinder until the fluid is free of air bubbles (remove max. 300 cm3). Disconnect the system tester and correct the brake fluid level (refer to Page 47-4). Do not fill over the max. marking under any circumstances.

Diagnosis Troubleshooting

Should the warning lamp come on again later, this indicates a fault in the airbag system. The fault can be read out with System Tester 9288 and flashing code tester 9268. System Tester 9288 see Repair Manual Group 03, Self-diagnosis Tester 9268 see Technical Service Information, Model '90.

Function of individual components

The signal converter obtains the transponder code from the signals sent by the transponder, and then sends this code on to the alarm control module. With the help of Porsche System Tester 2 the transponder of a key which is inserted in the ignition can be adapted to one of the 4 memory locations for transponders. The first time the transponder is adapted, its Secret Key is programmed.

Test points 11 and

Using the System Tester 9288, actuation of the idle stabilizer may be read directly In the Drive links menu item. Using the System Tester 9288, the idle stabilizer signal may be read directly in the Actual values menu item. Operational check Switch on loads in idle mode. display must change, idle speed remains constant. If not

Function of individual components 1 Control module

When making repairs, bear in mind that the angle sensor bracket (B) must be in contact at the bottom when the bolts on the rear-axle support (A) are tightened (arrow). Once installed, the control module must be calibrated with the Porsche System Tester 2. Adjust the headlights

Conventional adjustment of tire pressure

To measure and adjust the tire pressure to precisely the correct value (see chart), tire temperature must therefore be known or else the tire pressure must be adjusted accurately with the 9288 system tester. For each 10'C increase in the temperature of the air in the tire, its pressure rises by approx. 0.1 bar. In other words, the correct pressure at any given moment is always higher than the nominal tire pressure once the tire has become hot, and for this reason should never be reduced.

Measurement 2 manometer pressure 2040 bar

Porsche 911 964 Engine Diagram

Produce test pressure with System Tester with suitable number of impulses. 4. Switch off System Tester remove ignition key (lines from solenoid valve to admission valves therefore not under pressure) Switch off System Tester. For following point remove ignition key for safety reasons. Remove rear right-hand brake caliper and insert second retaining block - Special Tool 9509 4 - into brake caliper instead of brake disc. Do not open brake hydraulics. Bleed transverse lock and manometer with System Tester 9288.

RDK Possible causes if a fault is indicated

Adjust tire pressures exactly with 9288 System-Tester (to 0.3 bar above the pressure-sensing switch trigger value). Adust tire pressures accurately with the 9288 System Tester (to 0.3 bar above the pressure-sensing switch trigger value). Take car to a Porsche dealer have falut localized with System Tester and put right.

Re 2 Bleeding the ABD circuit

Connect System Tester 9288 to diagnostic socket. Switch on ignition. Select Bleed menu. Close rear right bleeder valve. Then press Stop button immediately on System Tester. Switch off ignition and disconnect System Tester. Press Start button on System Tester. This causes specific functions in the hydraulic unit to be started (return pump, switchoff valve and switchover valve are triggered).

Important Guidelines For Repair Operations On Vehicles With

Multiple-pin plug in electronic control unit Never disconnect or connect the multi-pin plug from the electronic control unit with ignition switched on. Disconnect plug from electronic control unit before carrying out any welding operations with an electric welder. During painting operations, the electronic control unit may be exposed briefly up to 95 C max. and for a longer period (approx, 2 hours) up to 85 C max. If operations are carried out on the hydraulic unit ( **), electronic control unit (*, **), speed sensors or cable set, or if any assemblies are replaced in the course of e.g. accident repairs, a function test must be carried out with the ABS test unit (* in conjunction with a brake test on a brake dynamometer).

DME control unit with diagnostic capability

The system tester 9288 or the flashing code tester 9268 (via adapter lead 9268 2) can be connected to this plug-in connection. Operation of the testers is explained in the tester instructions The following actual engine data can be read directly in the .Actual value menu with the system tester 9288 as from tester module version 2.0

Checking and correcting tire pressures

When tire pressures are corrected, a distinction has to be made between the conventional method (method A) and the more accurate method in conjunction with the 9288 system tester (method B). By using the 9288 system tester, however, tire pressure can be checked and accurately adjusted at any time (method B). This is practicable during wheel and tire fitting work or when the car is brought into the workshop for any other reason.

System description

If the triggering unit is replaced, the data record for the appropriate vehicle must be loaded with the Porsche System Tester 2 and the triggering unit must be locked. The warning light flashes before locking. The warning light goes out after locking was performed successfully (if no fault is present).

Ref 1 Replacing Brake Fluid

Step 2 Replace brake fluid for the booster circuit (brake booster and lock control). This requires activating the lock solenoids with a 9288 System Tester and removing the brake fluid from each lock cylinder. Connect System Tester 9288 in conjunction with connecting lead 9288 1 in the diagnostics socket in the passenger's foot-well (underneath a cover). Turn on ignition and tester. Select type of vehicle and PDAS system afterwards. Then go into the drive menu. Afterwards activate the solenoids again with a 9288 System Tester (bleeding position in the drive menu) and drain about 200 cc of brake fluid on the bleeder valve of the axial lock cylinder. Disconnect system tester.

Switch convertible top compartment

The signal converter obtains the transponder code from the signals sent by the transponder, and then sends this code on to the alarm system control module. With the help of Porsche System Tester 2 the transponder of a key which is inserted in the ignition can be adapted to one of the 4 memory locations for transponders. The first time the transponder is adapted, its

Test point

Speed signal Using System Tester 9288, the speed signal may be read directly in Checking the hot-wire signal with System Tester 9288 The air flow sensor signal may be tested directly in the Actual values menu item using System Tester 9288. To check the signal, remove upper air cleaner section and start engine. Blow against hot wire. This must cause the System Tester display to change. Using the System Tester 9288, the oxygen sensor signal may be read directly under the Actual values menu Item. Diagnosis can only be carried out if an engine temperature of 70 deg. C has been reached for more than 1 minute.

Order number

System Tester 9288 with Used for troubleshooting. Drive links (actuators) may be triggered with System Tester 9288. Used for troubleshooting. Actual values may be retrieved with System Tester 9288. After carrying out specific repair and or assembly operations on the ABS 5 or ABS 5 ABD (refer to p. 45-7), a system check (operational test) must be run with System Tester 9288. This test is menu-controlled. Caution Certain individual test steps must be completed within 30 seconds as the test will otherwise be aborted.

NJUUULMM

The fault can also be read direct using System Tester 9288. After a repair the fault memory must be erased using the System Tester. Check with circuit input test, using 9288 system tester or 9268 tester 9268 tester Check by means of circuit input test with 9288 system tester or 9268 tester

Fault memory

When a fault is stored, the Porsche System Tester 2 can provide more information about the fault if the F8 key is pressed. A counter is started when the symbol changes from not present to present. This counter indicates how often the change took place from present to not present. At this changeover, the display simultaneously changes from static to sporadic, which indicates a loose contact.

Event memory

With this menu item, it is possible to activate drive links of the alarm system using the Porsche System Tester 2. This allows the function of the drive links to be assessed very quickly. This menu item enables input signals of the alarm system to be read out by the Porsche System Tester 2. This allows the function of the input signals to be assessed very quickly. The country in which the vehicle is used can be coded using the Porsche System Tester 2. The type of alarm output and its duration depend on the country codes.

Diagnosis

Should the monitor lamp not come or should it remain lit, there is a fault in the airbag system. The fault can be read with system tester 9288. Porsche System Tester 9288 The Porsche system tester 9288 can be used to read the fault memory of the airbag control unit and the time out of operation since the first fault was recorded. Connect Porsche system tester 9288 to diagnosis socket in the car. Press button to switch on Porsche system tester. Input vehicle model. Switch on ignition.

Connecting Tester

Turn off ignition and pull off multiple pin plug (35-pin) (2) on electronic control unit (1 > Control unit remains installed. 2. Connect multiple pin plug (2) of electronic control unit with plug (3) of tester. 3 Connect plug (4) ol tester on electronic control unit (1) so that spring-loaded lock is heard to engage on plug,

Abs Components

The electronic control unit is located above the hood release handle on driver's side of car (above central electric board in RHD cars). The hydraulic unit is located on the left front wheel house wall. It processes the electric signals coming from the electronic control unit.

Porsche 928 Diag

1984 Porsche 928 Wiring Diagram

Use System Tester 9288 to activate transverse lock solenoid (Drive links Check transv. lock menu) with 1 - 2 pulses. - Connect System Tester 9288 along with adapter line 9288 1 to diagnosis socket (located next to the passenger's seat under the booster cover). Bleed pressure gauge by clocking lock solenoid valve complete with System Tester in Drive links Bleed position menu and allow brake fluid to escape from the pressure gauge at the bleeder valve until it is free from air bubbles. (Use collector bottle). For this purpose, leave bleeding device connected to reservoir and leave bleeding line clamped. Bleeding pressure approx. 1.5 - 2.0 bar. Close bleeding valve and press stop buttom. Select pressure reduction position. Switch off bleeding device. - After disconnecting the pressure gauge, use the System Tester (Drive links - Select bleeding menu) and allow brake fluid to escape at bleeder valve of the transverse lock slave cylinder until fluid is free from air bubbles. Screw on...

Test Cycle

Testing includes electronic control unit, hydraulic unit, speed sensors, relays and wire harness. Power supply for the electronic control unit and pump motor relay comes via relay no. XVII on central electric board (arrow). An overvoltage cutout is integrated in this relay and protects the electronic control unit against excessive voilage. Wire harness has a 35-pin plug for connection on the electronic control unit Relay (1) for solenoid valves and relay (2) for pump motor as well gs a 12-pin wire plug (3) are located under cover oi hydraulic unit. The plug socket has a diode for activation of ABS indicator lamp when multiple pin plug on electronic control unit is disconnected.

General information

The monitoring of signals by the convertible-top control module enables the system to perform reliable, precise diagnosis. Further, certain additional functions, such as e.g. test of drive links and of input signals can be activated using the Porsche System Tester 2 and their function checked. The fault memory can be read out and erased with the Porsche System Tester 2. The diagnostic socket is located below the knee guard on the driver's side.

Maintenance

Porsche 993 Ecu Scanner

The procedure for reading out the fault memory is described in the operating instructions for System Tester 9288. A copy of the operating instructions is supplied with each tester. The System Tester 9288 is connected to the vehicle via a 19-pin socket. The socket is located in the passenger footwell next to the

Instructions

- Connect high-pressure measuring line (No. 2) to manometer (arrow) and attach manometer in rear left-hand area of wheel house where it is clearly visible. Connect System Tester 9288 (P. D39 45-9). Bleed manometer. To do so, activate locking solenoid valves with System Tester in menue for drive links bleeding and drain brake fluid from bleed valve until no more air bubbles appear. (Drain fluid into receptacle).

Removing Note

In left-hand drive vehicles the electronic control unit is located on the driver's side, above the hood release on the side panel of the footwell In right hand drive vehicles the electronic control unit is located above the central fuse relay board. 2. Press spring-loaded lock and pul plug off of electronic control unit. 3. Take electronic control unit off of bracket after unscrewing mounting nuts. 1. Mount electronic control unit on bracket. 2. Connect ARS tester. Connect plug of electronic control unit with plug of tester for this purpose. 1. Mount electronic control unit on bracket. 2. Connect ARS tester. Connect plug of electronic control unit with plug of tester for this purpose. Plug in tester plug on electronic control unit, making sure spring-loaded lock is heard to engage on plug 4. After finishing function test, disconnect tester and connect multiple pin plug on electronic control unit correctly (spring-loaded lock must be heard to engage).

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