Page 23 - KCRPCA MarApr 2021

vate the 4wd locks for bleeding the fluid when servicing. I’ve never actually owned a Bosch hammer as its successor could do every- thing it could do and more on the newer models, though you can still find them on the used market oc- casionally.
In the mid 1990’s, OBDII diag- nostics entered the market, and the hammer became obsolete on the 993 and newer models. Thus, Porsche released the PST2 / KTS500. OBDII systems were far more advanced and are still used today on modern cars. With ad- vances in DME/ECU and general car technology in general, data was far more accessible to the end user to help diagnose and repair the vehicles via the PST2. You could check the readings of a plethora of sensors in the vehicle: engine codes, ABS codes, Airbag faults, key immobilizer coding, trans- mission codes, air conditioning faults, etc. The PST2 covered all previous models that had onboard
See Pic 1
The PST2 Main Menu
When the 2005 model years hit, the diagnostic capability of the cars became even more com- plex. The cars not only had en- gine ECU’s, but we started to see more and more modules for all the electronic components of the car, including the headlights, radio, front control modules, rear con- trol modules, transmission control
# 1
AT RENNSPORTKC, I HAVE ALWAYS TRIED TO KEEP UP WITH SERVICING VEHICLES WITH THE PROPER FACTORY TOOLS.
diagnostic capability, but also in- cluded the 986, 996, 955 Cayenne, GT1/2/3, Carrera GT, etc. This covered models through 2004 on most models and a few years later for the Cayenne.
modules, suspension modules, and many many more. Thus, the PST2 became obsolete and was replaced by the PIWIS 2. The PIWIS 2 not only allowed for diagnostics, but also allowed for changes to com-
Der Sportwagen
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PIC