Ti, 2706 AGM Battery Care And Maintenance: From Vehicle Delivery Until Sale (Customer Handover) (67/12): Tools

Tool denomination	Type	Tool number	Image
PIWIS Tester II	Special tool	> 9818	Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Handheld multimeter	General workshop equipment	> V.A.G 1526E	Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Battery tester	General workshop equipment	> VAS 6161	Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Battery Charger, 90 A	General workshop equipment	> VAS 5908	Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Battery Charger, 45 A	General workshop equipment	> VAS 5907	Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Model year 

From 2011

Vehicle Type: 

Cayenne (92A)/Cayenne S (92A)/Cayenne GTS (92A)/Cayenne Turbo (92A) 

Concerns: 

AGM starter battery (referred to below simply as 'battery') 

Situation: 

Support for the care and maintenance of the AGM starter battery  (at the dealership):

From the time the vehicle is delivered  to the Porsche Centre until it is handed over to the customer  , the battery must be maintained and charged  regularly, depending on use.

Information 

The battery has a limited service life. 

The service life of the battery is affected by:

• the driving conditions for the vehicle and
• thus, by the care and maintenance of the battery (trickle charging, etc.).

  => If the vehicle is idle for an extended period, a charger should be connected in order to trickle-charge the battery. Otherwise the battery's life will be reduced  considerably. This reduction is considered natural wear  and does not reflect a defect.

  Please pass this information on to your customers. 

Tools: 

> 9818 - PIWIS Tester II

Recommended measuring devices  , see ; chargers  , see trickle charging  , see Overview: 

Brief overview  (instructions and overview of contents, > Figure 1  ):

1. Delivery  of the vehicle to the Porsche dealer.

   See => Check condition of battery:

   Condition of battery:

   Not  OK.

   Condition of battery:

   OK. 

   After 

   using the vehicle

   (Step 2.) 3.) 4.) or 5.), see below:

   Step 6.)  before customer handover.

   2.) Direct vehicle:	3.) Showroom vehicle:	4.) Stock vehicle:	5.) Stock Demo vehicle:
   Vehicle is handed over to customer within five days:	Vehicle remains in the showroom:	Vehicle is parked at a storage location:	Vehicle is used as a demonstration vehicle in the warehouse:
   see	see	see	see

   => at the earliest 48  hours before  vehicle handover

   => at the latest 36  hours before  vehicle handover

   to the customer (customer handover):

2. Only if result of check is "Not OK":

   => Replace battery 

3. Charge and check the battery, 

   Recommendations for:

   => Measuring equipment/measuring devices  .

   => Chargers  .

   => Trickle charging  (permanent).

   Procedure for:

   => Measurement and documentation  (in Checklist).

   Additional step:

   => Read out values from PIWIS Tester II  .

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Upon delivery: 

1. Vehicle is delivered to the Porsche Centre (> Figure below  ).

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   => Voltage measurement to determine the quality of the battery:

   1. 1.1  For correct voltage measurement (incl. inactive period of 5 min.), engine/vehicle may only run for max. 3 min. for operational procedures, e.g. unloading from transporter, collecting from storage location (>).

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   2. 1.2  Observe battery inactive period (5 min., >) before measuring voltage.

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   3. 1.3  Measure voltage using a suitable voltmeter (>). Observe recommended devices, see Step 1.4 and battery temperature (>=> 10° C/50° F).

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   4. 1.4  Evaluate measured voltage (>):
      • If > => 12.0 V  :

        No further action required.

      • If => 11.99 V  :

        Before customer handover  , Documentation and replace battery  - must be carried out.

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   5. 1.5  Document values

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      Direct: 

2. Vehicle is delivered to the Porsche Centre.

   => Further use as " direct "  vehicle (vehicle is handed over to customer within five days, >):

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   1. 2.1  Before sales check or pre-owned vehicle check => Connect recommended charger, see Figure below  )

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   2. 2.2  Perform sales check with charger connected (>).

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   3. 2.3  Park the vehicle in the warehouse (>).

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   4. 2.4  Within 48 - 36 h ours before customer handover  , continue with Step.

      Show room: 

3. Vehicle is delivered to the Porsche Centre.

   => Further use as " showroom "  vehicle (>):

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   1. 3.1  Before sales check or pre-owned vehicle check => Connect recommended charger, see Figure below  .

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   2. 3.2  Perform sales check with charger connected (>).

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   3. 3.3  Vehicle comes into the showroom (>).

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   4. 3.4  Charging the battery in the showroom  (>):

      => Permanent  : Use the cigarette lighter  and a suitable charger (Charge-o-mat II) to permanently  charge the battery.

      => Interval  : Charge the battery every day  (>=> 10 hours) using a suitable charger.

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   5. 3.5  Within 48 - 36 hours before customer handover  , continue with Step.

      Stock: 

4. Vehicle is delivered to the Porsche Centre.

   => Further use as " stock "  vehicle (>):

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   1. 4.1  Before sales check or pre-owned vehicle check => Connect recommended charger, see Figure below  .

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   2. 4.2  Perform sales check with charger connected (>).

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   3. 4.3  Before the vehicle comes into the warehouse:

      Charge the battery using a recommended charger.

      Observe the specifications  with regard to battery temperature  (>=> 10° C) and charging time of at least 10 hours. 

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   4. 4.4  Vehicle comes into the warehouse (>).

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   5. 4.5  Charging the battery in the warehouse  (>):

      => Permanent  : Use the cigarette lighter  and a suitable charger (Charge-o-mat II,) to permanently  charge the battery.

      => Interval  : Charge the battery once a month  (>=> 10 hours) using a suitable charger, see See  .

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   6. 4.6  Within 48 - 36 hours before customer handover  , continue with Step.

      Stock and demonstration: 

5. Vehicle is delivered to the Porsche Centre.

   => Further use as " stock demo "  vehicle (also used as demo/exhibition vehicle, >):

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   1. 5.1  Before sales check or pre-owned vehicle check => Connect recommended charger, > Figure below  .

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   2. 5.2  Perform sales check with charger connected (>).

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   3. 5.3  Before the vehicle comes into the warehouse:

      Charge the battery using a recommended charger, see See  , (>).

      Observe the specifications  with regard to battery temperature  (>=> 10° C) and charging time of at least 10 hours. 

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   4. 5.4  Vehicle comes into the warehouse and is used as a demo/exhibition vehicle there (>).

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   5. 5.5  Charging the battery in the warehouse  and when used as a demo/exhibition vehicle (>):

      => Permanent  : Use the cigarette lighter  and a suitable charger (Charge-o-mat II) to permanently  charge the battery.

      => Interval  : Charge the battery once a week  (>=> 10 hours) using a suitable charger.

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      Before customer handover: 

      Complete the next steps:

      => at the earliest 48 hours before  vehicle handover,

      =>  but at the latest 36 hours before  vehicle handover to the customer (> Figure below  ):

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      Replacing battery: 

      Information 

      The AGM battery: 

      • is installed as standard equipment in the vehicle and must not be replaced by a conventional "starter battery"  and
      • must not be opened. 

      If the battery needs to be replaced,  the following data must be entered in the gateway control unit  using PIWIS Tester III (under Maintenance/repairs - Change battery):

      • Serial number,
      • part number,
      • manufacturer and
      • battery size.

      The battery sensor: 

      • is connected between the battery negative terminal and ground cable,
      • is an important part of the energy management system  and
      • is used to measure battery variables  (battery current, battery voltage and negative terminal temperature) for vehicle electrical system diagnosis. 
6. Was a problem  with the battery discovered following delivery  of the vehicle?
   1. 6.1 NO 

      => Continue with Step See  , section " Charging the battery"  .

   2. 6.2 YES 

      => Within 48 - 36 hours before customer handover:

      1. 6.2.1  Complete the necessary document  (see section 'Measurements',)
      2. 6.2.2  Create a vehicle analysis log (VAL)  and attach it to the job,
      3. 6.2.3 Replace the battery  (>), see > 270655 REPLACING THE BATTERY

         and

      4. 6.2.4  => Continue with Step See, section " New battery"  .

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         Charging the battery: 

         NOTE: Always connect a battery charger for providing an external power supply or for jump-lead starting to the defined connections in the engine compartment. A battery charger should never be connected directly to the battery to provide an external power supply or for jump starting, in order to avoid: 

         • Risk of damage to the battery sensor. 
         • Battery sensor sends incorrect battery values to the vehicle electrical system. 
7. Within 48 - 36 hours before customer handover  (> Figure 31,  but only following vehicle preparation), charge the battery: 

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   1. 7.1  Charge the battery using a recommended charger, see See  , (>).

      Observe the specifications  with regard to battery temperature  (>=> 10° C) and charging time of at least 10 hours. 

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   2. 7.2  Leave the battery "inactive" for 120 minutes (>):

      The vehicle must not be moved and no loads must be switched on during this time.

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   3. 7.3  Measure voltage using a suitable voltmeter (>). Observe recommended devices, see See  and battery temperature (>=> 10° C/50° F).

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   4. 7.4  Evaluate measured voltage (>):
      • If measured voltage: > => 12.8 V: 

        Continue with See  .

      • If measured voltage: => 12.79 V: 

        Before customer handover,  "Replacing the battery"  - must be carried out.

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   5. 7.5  Check, evaluate and document functional state of the battery (=> See " Measurements "  .

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      End  of remedial action.

      New battery 

8. Procedure for "charging" the new battery  (>):

   Within 48 - 36 hours before customer handover  (but only following vehicle preparation), charge the battery: 

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   1. 8.1  Charge the battery using a recommended charger, (>).

      Observe the specifications  with regard to battery temperature  (>=> 10° C) and charging time of at least 10 hours. 

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   2. 8.2  Leave the battery "inactive" for 120 minutes (>):

      The vehicle must not be moved and no loads must be switched on during this time.

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   3. 8.3  Check, evaluate and document functional state of the battery (=> See "Measurements "  .

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      End  of remedial action.

      Recommended devices: 

9. Recommended measuring devices  (battery testers, see also "Workshop Equipment Manual" - PIWIS information system):
   • > V.A.G 1526E - Handheld multimeter
   • > VAS 6161 - Battery tester or
   • > VAS 6161 - Battery tester.
10. Recommended chargers  (see also "Workshop Equipment Manual" - PIWIS information system):
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5908 - Battery Charger, 90 A
    • > VAS 5907 - Battery Charger, 45 A
    • > VAS 5908 - Battery Charger, 90 A
11. Permanent trickle charging  (see Porsche Equipment - Accessories and Maintenance):
    • 955.044.900.56 > Charge-o-mat II 
    • 955.044.900.55 > Charge-o-mat II  (GB version)
    • 955.044.900.54 > Charge-o-mat II  (USA version, 110 V)
    • Adapter  (required for vehicles without cigarette lighter): 000.043.202.55 > Adapter  (for Charge-o-matt II and vehicles without cigarette lighter)

    Measurements: 

    For taking measurements  on the battery and for documentation  purposes, use the existing Checklist (PIWIS information system, "Standard forms" menu: AGM  Battery Checklist and measurement sheet...).

    Information 

    When working on the vehicle:

    • using the PIWIS Tester or
    • for work that takes longer than 15 minutes,

    a charger must be connected in order to trickle-charge the battery.

12. The Checklist and relevant procedure are described  below

    (Please disregard  steps relating to a customer complaint):

    1. 20.1  Step 1. (Checklist) - General data  relating to the vehicle and battery (> Figure below)  :

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       =>  The specifications on the battery (in the vehicle) may differ from the specifications shown in Figure 1

       • => Illustration  (>serves only as an example. 
       • Battery type: rating in Ah (-item A-  ),
       • Date of manufacture of the battery (stamped on negative terminal): -item B-  ),
       • Battery I-no. (for 2D code: -item C-  ),
       • Item number (-item D-  ) and
       • Battery manufacturer (-item E-),
       • Safety instructions and warnings for handling the battery (-item F-  ).
    2. 20.2  Step 2. (Checklist) - Visual inspection  of the battery:

       Check for damage to the housing and

       corroded and/or loose terminals.

    3. 20.3  Step 3. (Checklist) - Check the battery using a battery tester,  see section 'Measuring devices' See  : => Battery charge state before and after charging. 
    4. 20.4  Step 4. (Checklist) - Charge  the battery  using a suitable charger with a current rating of at least 40 Ah => Observe minimum charging time (>=> 10 hours) and read operating instructions for the charger.
    5. 20.5  Step 5. (Checklist) - Measure the battery open-circuit voltage  using a voltmeter or voltage tester.

       Steps 6. to 8. (in Checklist) are not relevant. 

13. As an additional step,  Step 9. (Checklist) - Read out values from PIWIS Tester II  - can be carried out:
    1. 21.1  Connect the PIWIS Tester to the vehicle.
    2. 21.2  Switch on ignition.
    3. 21.3  Select the relevant vehicle in the "Diagnostics" menu.
    4. 21.4  Select the 'Gateway'  control unit in the "Control unit overview" menu and switch to the "Actual values/input signals"  menu.
    5. 21.5  Answer YES  in response to the VAL (Vehicle Analysis Log) prompt.
    6. 21.6  Read the campaign information instructions and confirm by pressing F12  .
    7. 21.7  In the 'Actual values/input signals' overview, select "Battery" and "Battery charge state history"  and press F12  to confirm.
    8. 21.8  In the 'Actual values' overview, select the following actual values: 

       Battery ageing	charge-related... % performance-related... %
       Battery internal resistance	Actual... mOhm
       Battery change state	... %
       Open-circuit voltage	... V
       Battery temperature	(Acid)... (Terminal)...
       Closed-circuit current	Below limit value (Duration)... min. Limit value exceeded (Duration)... min.
       Battery charge state history	Battery charge state 0... 25 % Battery charge state 26... 50 % Battery charge state 51... 75 % Battery charge state 76... 100 %

    9. 21.9  Press F12  to confirm your selection.
    10. 21.10 Read off actual values and enter them in the Checklist. 
    11. 21.11  Press F11  to exit the display.
    12. 21.12  Press F11  to go back.
14. If, after completing the documentation, the battery  (Step See  ) must be replaced,  go back to Step See  . End  of remedial action.

    References: 

    >2706IN IMPORTANT INFORMATION FOR EXTENDING (AGM) BATTERY LIFE AND BATTERY PERFORMANCE (60/12)