Electrical power supply general

Work instructions after disconnecting the battery Effects of disconnection or total discharge of the battery on electrical systems in the vehicle, subsequent measures Never disconnect battery with engine Never use a boost charger to start the Whenever possible, use jump leads with Plug connectors of control modules or other electronic components must never be connected or disconnected with the ignition switched on. Exception vehicles with the additional equipment M 536 (alarm siren with tilt...

Test point

Central locking end position This fault is stored in the following cases locked not reached Fault code 60 Switch for central locking is faulty Open circuit in the supply lead to plug II pin 8 (terminal 30) Short circuit to voltage ground or open circuit in the supply lead to Short circuit to voltage ground or open circuit in plug I pin 5 Short circuit to voltage ground or open circuit in plug I pin 28 Short circuit to voltage ground or open circuit in plug I pin 29 Door lock (driver's side...

System description

The airbag system consists of the following Triggering unit Contact unit Driver's airbag unit Passenger's airbag unit Side airbags Sensors for airbag (side-airbag sensors) Plug connection, child restraint system A system self-test is performed after the ignition is switched on. The warning light is switched on during the self-test. If no faults are stored in the fault memory, the warning light goes out after approx. 3 seconds. Up to max. 10 faults can be stored. A start and stop fault clock is...

Locking

An unlocked triggering unit can be locked under the menu item Locking. A locked triggering unit cannot be unlocked again. If a triggering unit is unlocked, the airbag warning light flashes. The triggering unit must then be locked. Triggering units from the Parts Service are delivered in an unlocked state. 1. Select Driver's Passenger's airbag or Driver's airbag according to the vehicle equipment. The vehicle type cannot be changed again. The following messages can be displayed in a fault state...

Comparison table of input signals

The following table represents a comparison point to the data read out from PST 2 on the vehicle, and should simplify diagnosis and Boundary conditions - Both doors closed Central locking system variant code in front luggage compartment closed (front lid) rear luggage compartment closed (rear lid) convertible top compartment lid open button 1 on the radio transmitter not actuated button 2 on the radio transmitter not actuated The information in the comparison table applies for vehicles with the...

WwwWorkshop Manualscouk

Pull off plug I on the alarm control module. 2. Check the central locking button. Voltmeter at plug I pin 10 and ground. Central locking button not actuated. Display 0 V Central locking button actuated towards Open. 3. Disconnect the plug connection at the central locking button. 4. Check the lead from the alarm control module to the central locking button for short to B+. Voltmeter at plug I pin 10 and ground. Central locking button not actuated. Display 0 V Central locking button actuated...

Porsche Fault 0008304

Data lead, air conditioner-PCM Data lead, navigation unit-PCM Data lead, PCM-navigation unit Data lead, DSP-PCM Speedometer A, navigation unit Signal, reverse gear-navigation unit Antenna, navigation unit Data lead, PCM-instrument cluster Data lead, instrument cluster-PCM Vehicle data record Program memory Signal, terminal 15 PCM Signal, terminal 86 s PCM Control module faulty navigation unit Control module faulty navigation unit Fault, photo sensor Control module faulty Faults can be stored...

Connector assignment triggering unit

10 - Driver's ignition pill, positive II - Driver's ignition pill, negative 13 - Passenger's ignition pill, positive 14 - Passenger's ignition pill, negative 16 - Driver's side airbag, positive 17 - Driver's side airbag, negative 18 - Passenger's side airbag, positive 19 - Passenger's side airbag, negative 20 - Side-airbag sensor, driver 21 - Side-airbag sensor, passenger 26 27 - Short circuit bridge 28 29 - Short circuit bridge 41 42 - Short circuit bridge 43 44 - Short circuit bridge 45 to 50...

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.

Porsche 996 Alarm When Opening Door

Alarm system diagnosis 911 Carrera (996) the deactivation period by the display type 3 at the alarm readiness display output and at the display output Door locked. An opening command deletes the switch-off command. If activation occurs by way of the emergency function (locking 3 times quickly), the output External Electronics is not switched on for this activation cycle. This is acknowledged by signal 1 at the alarm horn and direction indicator light output, as well as by display type 2 at the...

Input signals

This menu item enables input signals of the system to be read out by the Porsche System Tester 2 This allows the function of the individual components to be assessed very quickly. In the comparison table, the following applies for the tester display Terminal 15 switched on and reverse gear not engaged Switch for memory seat adjustment not 72 98 Diagnosis troubleshooting, seat memory (System S 01) 99672D1 Printed in Germany - 25, 1999

Function of the instrument panels

Installation position outside left of instrument cluster It indicates the voltage. The battery warning light also lights up with the ignition on. If the warning light is lit with the engine switched on, the battery charging system is defective or the drive belt is torn. 2. Speedometer with analog display Installation position to the right of the voltmeter Electrical signals from the ABS ASR or PSM are converted and emitted in analog form. 3. Cruise control indicator light Installation position...

Fault memory

Airbag warning light Supply voltage Ignition circuit, driver Ignition circuit, passenger Ignition circuit, side airbag Side-airbag sensor Belt buckle, driver Belt buckle, passenger Child seat detection Note If the fault memory cannot be erased, it is necessary to check whether the coding corresponds to the vehicle equipment. 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...

Info

Seat memory diagnosis 911 Carrera 996 10. Press the key to switch between the right-hand or left-hand door mirror 11. With the v key, select Parking aid with rearview mirror and press the key 12. Select the desired page right or left using The selected rearview mirror is now activated 14. Press the key to set the degree of lowering of the door mirror 15. With the v key, select Lowering and press the key to alter the coding 16. Select the desired degree of lowering using key v or a The selected...

Test pointFault code

No adjustment possible No adjustment possible No adjustment possible No automatic adjustment possible No automatic adjustment possible No automatic adjustment possible No automatic adjustment possible, manual only 500 ms No automatic adjustment possible, manual only 500 ms No automatic adjustment possible, manual only 500 ms No automatic adjustment possible, manual only 500 ms No automatic adjustment possible, manual only 500 ms No automatic adjustment possible, manual only 500 ms No automatic...

Test point 5

Slowly rotate the rear left wheel by hand PST2 display If 0 km h is displayed when the wheel is rotated 2. Switch ignition off and pull off plug on the control module Rotate the rear left wheel by hand and measure the voltage AC range between terminal 11 and ground Voltmeter display greater than 1 V If the wheel speed signal is present at the control module, replace the control module. If the wheel speed signal is not present at the control module, check the wire for open circuit or short to...

General instructions

The airbag system is constantly monitored by a diagnosis unit in the triggering unit. Any fault is signalled by a warning light. The following components must be removed and replaced following an accident in which the air-bag system was triggered The warning light for the airbag system lights up in the event of a fault. The airbag warning light lights for approx. 3 seconds after the ignition is switched on and goes out if no fault has been entered in the fault memory. The triggering unit must...

Function of individual components

Processes the incoming signals and, if necessary, triggers an alarm. A 15 A fuse is located in the control unit between both slots which protects the control unit from short circuit at the output. If this fuse blows, the control unit functions are no longer available. Display of the locking state. Function 2 Display of the operating state of the alarm system. Normal flashing 0.5 Hz Double flashing 0.5 Hz Rapid flashing 2.0 Hz Rapid flashing 10.0 Hz On Off The doors can be locked and unlocked...

Diagnosistroubleshooting seat memory System S 01

This fault is stored in the following cases 1. There is a short circuit in the wire to the pot. left rearview mirror. 2. The potentiometer is faulty. 3. The control module is faulty Elimination Actuate switch for memory seat adjustment. The text in the fault memory changes from present to not present if the cause of the fault has really been eliminated. If the fault is no longer present, erase the fault memory. If the fault is still present, there is a fault in the wire. For a fault in the...

Test point 15

Pull off plug I on the alarm control module. 2. Unplug the DME ECM connector. 3. Pull off the airbag control module plug. 4. Voltmeter at alarm control module plug I pin 33 and ground. 5. If no fault can be detected on the wiring harness, reattach the plug to the alarm control module and the airbag control module. 6. Switch on the ignition and clear the fault memory of the alarm If the fault no longer occurs, the DME control module is faulty. If the fault occurs again, detach the plug on the...

Teaching handheld transmitter

Up to four hand-held transmitters can be adapted to the control module. The hand-held transmitter can be used to activate the central locking and the convertible top for 996 Cabrio, country-specific version . Another function is the immobilizer by means of the integrated The following information is required to teach the hand-held transmitter 24 digit Code No. see barcode label on key grip If the key is stolen or the hand-held transmitter is faulty, all keys still in the customer's possession...

Function of the warning lightsindicator lights

A Traction Control warning light Only model with ABS 5.3 Carrera 2 Lights up as a check when the ignition is switched on together with the rocker switch. During the journey, the warning light shows that the driving stability control is switched off. It also lights up if the Traction Control is faulty. B Traction Control Porsche Stability Management PSM information light Lights up as a check when the ignition is For models with ABS 5.3 Carrera 2 When driving, the information light displays a...

Contents overview

Connector assignment, control module Fault memory overview of possible faults Page 90 -D 4 90-D 17 90 - D 18 90 - D 20 90 - D 21 90 - D 23 90 - D 25 90 - D 62 90 - D 63 90 - D 63 90 - D 64 90 - D 65 90 - D 66 90 - D 66 90 - D 67 90 - D 68 Reading out and transferring remote control

Reading out and transferring remote control General

When replacing the alarm system control module, it is possible to read out remote controls from the old control module and transfer them to the new control module. In this way, the hand-held transmitters remote controls and transponders can be retained. In other words, it is not necessary to change the hand-held transmitter when replacing the alarm system control module. - Communication can be set up between the PST2 and alarm system control module. The remote controls and transponder coils are...

Fault Code 21 - W Lead Porsche

If no fault can be detected on the wiring harness, reattach the plug to the alarm control module and the airbag control module. 6. Switch on the ignition and clear the fault memory of the alarm If the fault no longer occurs, the DME control module is faulty. If the fault occurs again, detach the plug on the airbag control module. 7. Clear the fault memory of the airbag system. If the fault no longer occurs, the airbag control module is faulty. If the fault occurs again, the alarm system...

Note

The warning light also lights up if the transport lock has been activated via the diagnostic module. The following parameters can be measured with the aid of the level sensor The level sensor consists of the following Spirit level housing which is filled with fluid and contains an air bubble Light-emitting diode LED sender function If the vehicle exceeds the set limit values during transverse or longitudinal acceleration or pitches around the longitudinal axis by more than the limit value, the...

[6Switch for memory seat adjustment

Porsche 996 Seat Adjustment Switch

These switches M, 1, 2, 3 can be used to store or call up the optimum positions once they have been found. The systems enables adjustment values for three persons to be stored. 911 Carrera 996 Seat memory diagnosis Electric motor for backrest adjustment Arrangement of the lumbar support bu_bb Arrangement of the lumbar adjustment ei2_98 Electric motor for backrest adjustment The lumbar support consists of two cushions which are inflated by means of a motor for lumbar support. The cushions are...

Introduction

Danger of damage due to improper handling of the battery and the control module connectors. gt Never disconnect battery with engine running. General instructions safety instructions The following points must be observed during vehicle diagnosis gt Never start engine without securely connected battery. After the battery is connected, volatile memories must be reprogrammed. In the case of radio coding and tuning, the customer must be informed of decoding and the deleted tuner memory. gt Never...

System description Control module

The immobilizer, central locking system, convertible top comfort control, radio remote control and monitoring of the vehicle interior functions are integrated in the alarm system. The control module is fitted under the driver's seat. There are 4 versions of the control module - immobilizer with signal converter - power window comfort function same as comfort system 433 MHz, but with 315 MHz hand-held transmitter 3. Comfort system 433 MHz with tilt sensor same as comfort system 433 MHz, but with...

Clock engine oil level display

Installation position beneath the fuel display When the ignition is switched on, the time display temporarily changes into standby mode for the oil level measurement. Installation position beside the tachometer on The engaged selector level positions are displayed. In the selector lever positions M and D, the gears presently engaged are also displayed. 15. Cooling system temperature gauge, Installation position beside the tachometer and Signals from the temperature sensor are converted, and the...

Short to B

Pull off plug II on the display and operator control unit. 2. Pull off plug I 18-pole on the amplifier. 3. Check lead from plug II pin 14 to plug I pin 17 for short to B . Fault, fault code Possible causes, elimination, notes Check lead from plug II pin 14 to plug I pin 17 Speedometer A, navigation unit Open circuit short to ground short to B Fault code 24 Open circuit short to ground short to B 1. Pull off plug on the navigation unit. 2. Pull off plug I on the instrument cluster. 3. Check...

Light buzzer

Actuate drive link with F8 key Off On Test Noise inspection warning signal emitted Actuate drive link with F8 key Off On Test Noise inspection warning signal emitted Actuate drive link with F8 key Off On Test Noise inspection warning signal emitted Actuate drive link with F8 key Off On Test Noise inspection warning signal emitted

The control module

A g-sensor g gravitation , which detects loss of contact with the road surface Two level sensors, which detect the vehicle inclination, transverse and longitudinal acceleration Evaluation electronics with self-diagnosis Capacitors to provide reserve power if the battery voltage fails.

Test point 14

Check washer fluid level Switch off ignition Washer fluid level full Pull off plug on sensor for fluid level display Ohmmeter directly on sensor for fluid level display, pin 1 and pin 2 Ohmmeter display lt 5 If not, replace sensor for fluid level display. Ohmmeter on plug of sensor for fluid level display Pull off plug II on the instrument cluster Ohmmeter on instrument cluster plug II pin 26 and plug on sensor See also Drive Links chapter, Washer fluid warning light

Coding

Under the menu item Coding there is a choice Country coding Variant coding Vehicle re-locking Alarm siren tilt sensor Country coding The country in which the vehicle is used in as well as the vehicle design sliding roof, convertible can be coded using the Porsche System Tester 2. The type of alarm output and its duration depend on the country codes. pulsed with 2.5 Hz, pulse duty ratio 1 1 pulsed with 2.5 Hz, pulse duty ratio 1 1 in opposite cycle to direction indicator lights triggered at the...

Electric motor for backrest adjustment

Changing Porsche Lumbar Switch

The backrest is adjusted by an electric motor with transmission. A Hall-effect sensor is integrated into the electric motor which measures the actual position. Manual adjustment of the seat positions is carried out by actuating the three switches located on the driver's seat front seat . 1,2,3 - Fore-and-aft adjustment and height adjustment are carried out by actuating the switch in the positions shown in Figure 615_98 4 - The seat backrest can be brought into desired position by actuating the...

Test adapter 9636 and pin template 9636

The test adapter 9616 must be used for all tests on electrical wiring e.g. convertible-top control module connectors micro-switches potentiometers . It does not damage the plug-in miniature contacts and facilitates location of the individual pins. Use test adapter 9636 in conjunction with test adapter 9616 and pin template 9636 Disconnect the vehicle wiring harness from the convertible-top control module. Connect test adapter 9636 to the convertible-top control module and the vehicle wiring...

Learning functions Immobilizer

The immobilizer code can be entered under menu item Learning functions immobilizer after the alarm control module is replaced. The immobilizer code cannot be deleted or changed again. An incorrect input will render the control module useless. gt Input and check immobilizer code carefully. A new remote control can be adapted for the vehicle under menu item Learning functions transponder key. After the alarm system control module is replaced and the immobilizer code is entered, the old...

Porsche Plug Connection X

Power failure during Troubleshooting in accordance with test point 10. This fault concerns only USA vehicles. USA - vehicles do not have 1. Check the driver's side passenger's side door lock module and, if necessary, replace it with a door lock module for USA vehicles Left door secured but not locked Fault code 13 1. Pull off plug I on the alarm control module. 2. Disconnect plug connection X 11 driver's side . 3. Check the lead from the alarm control module plug I pin 30 to the door lock...

Tools

The following equipment is required for troubleshooting Porsche System Tester 2 547.96 Special tool 9516 1 seijss Porsche System Tester 2 547.96 Special tool 9516 1 seijss Danger of injury if vehicle is driven with the special tools in place gt Never drive with special tools attached instead of the airbag Commercially available digital multimeter zmjz Commercially available digital multimeter zmjz

Foreword911 Carrera 996

The two folders with Group 9 are to be regarded as one folder i.e. file the Technical Information notices only in front of the repair descriptions in the folder Group 9 - Circuit diagrams, part 1 up to and including the '99 model . 6 The second folder Group 9 - Circuit diagrams, part 2 as of the '00 model includes the further The 911 Carrera 996 Technical Manual has the same structure in each folder, with the following break-Title page 911 Carrera 996 Technical Manual

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 The calibration values can then be calculated as a percentage by the convertible top control module from the potentiometer values. The following preconditions must be met in...

Fault Fault codePossible causes elimination notes

Check whether the fault appears again. a If the fault does not appear again, replace the passenger's airbag b If the fault appears again, check the wiring harness for pinches c If no fault is found on the wiring harness, replace the triggering Note This fault path is checked only during the self-test of the triggering unit, i.e. updating of the fault during the cyclical tests does not take place. If the fault memory is cleared, the ignition must be switched off, the ignition key removed and...

Fault effectPage

Warning light, roll-over protection system 69 - D 37 Warning light, roll-over protection system 69 - D 37 Supply voltage Solenoid valves 1 and 2 Solenoid valve 1 Solenoid valve 1 Solenoid valve 1 Solenoid valve 2 Solenoid valve 2 Solenoid valve 2 Trigger counter Spirit level 1 Acceleration sensor Solenoid valve 1, actuation Solenoid valve 2, actuation Control module faulty 69 - D 37 69 - D 38 69 - D 38 69 - D 38 69 - D 39 69 - D 39 69 - D 39 69 - D 40 69 - D 40 69 - D 40 69 - D 41 69 - D 41 69...

Diagnosistroubleshooting convertible top

Porsche 996 Convertible Roof Parts

99661D14 Printed in Germany - 11, 1998 Fault, Fault code_Possible causes, elimination, notes If the convertible top is in the forward position diagram on closing check the response of the micro-switch - unlocked or not unlocked small diagram - in the convertible-top latch. If the micro-switch is defective, replace the convertible-top latch. If the convertible top is in the rear position diagram on opening, check the response of the micro-switch - unlocked or not unlocked small diagram - in the...