Porsche 996 TT Repair Manual page 53

74 13 55 Replacing cover for front seat cushion
Tools and materials............................................................................................................................1695
74 19 19 Removing and installing centre backrest strip............................................................................1696
Removing the backrest centre strip....................................................................................................1696
Installing the backrest centre strip.....................................................................................................1698
74 19 55 Replacing covering for backrest centre strip..............................................................................1699
Removing covering for backrest centre strip.....................................................................................1699
Installing covering for backrest centre strip .......................................................................................1701
Tools and materials............................................................................................................................1702
74 27 19 Removing and installing control module for seat heating ..........................................................1703
Removing and installing control module for seat heating.................................................................1704
Seat heating line route ........................................................................................................................1704
Central plug ........................................................................................................................................1705
Removing and installing pin housing for seat heating and belt buckle.............................................1705
Tools..................................................................................................................................................1706
Test plan for the seat heating.............................................................................................................1706
90 25 19 Removing and installing instrument cluster ................................................................................1708
Removing instrument cluster.............................................................................................................1708
Installing instrument cluster ...............................................................................................................1709
Coding the instrument cluster............................................................................................................1709
91 10 19 Removing and installing display and operator control unit (PCM) ..........................................1711
Removing display and operator control unit (PCM) . .........................................................................1712
Installing display and operator control unit (PCM)...........................................................................1712
Connecting and switching on the Porsche System Tester 2........................................................1712
Device code input........................................................................................................................1713
91 10 19 Removing and installing display and operator control unit (PCM 2) − as of MY 2003..........1714
Removing display and operator control unit (PCM 2) . ......................................................................1714
Installing display and operator control unit (PCM 2)........................................................................1715
Teaching display and operator control unit (PCM 2)........................................................................1717
91 20 02 Checking complaints about car radio system..............................................................................1721
Malfunctions in radio system.............................................................................................................1721
Reduced sound quality in one or more loudspeakers .........................................................................1722
Remedying problems with the amplifier . ...........................................................................................1723
Interference noises.............................................................................................................................1724
Interference noises, checking cable connections .........................................................................1725
Interference noises due to alternator...........................................................................................1726
Interference noises due to engine................................................................................................1726
Interference noise due to antenna................................................................................................1727
Interference noises due to power supply.....................................................................................1728
Interference noises due to all looudspeakers...............................................................................1730
Electromagnetic compatibility (EMC) − Troubleshooting................................................................1731
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