Test plan for the seat heating
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
In the case of the complaint "seat heating does not function", proceed according to the following work instruction. Work aids: Use wiring diagram and multimeter. See TOOLS .
TEST PLAN FOR SEAT HEATING RESULTS
| Work instruction | Correct result | Incorrect result | |
|---|---|---|---|
| 1 | Actuate seat heating switch, LED lights up in the switch | Step 2 | Step 5 |
| 2 | See REMOVING AND INSTALLING FRONT SEAT, - AS OF MY 1996
. Switch on ignition, measure battery voltage on the plug bracket for the seat heating control module using a multimeter. Pin 5 and pin 9. |
> 11V Step 3 | Check plug connection and wiring. -> End |
| 3 | Perform heat element resistance test for the backrest and seat area using a multimeter. Pull the plug off the seat heating control module and check the resistance on the plug bracket RE/WT pin 3 and BR pin 9. | Depending on temperature, approx 2 Step 4 | Check resistance test on backrest and seat area heating elements via the respective connecting plug (approx. 1 ) and replace defect heating element ->. End |
| 4 | Seat heating control module | replace. -> End | |
| 5 | Check fuse in the fuse box for the seat heating. | Step 6 | Replace fuse and perform function test. -> End |
| 6 | Check seat heating switch lines for continuity using a multimeter. | Replace switch for the seat heating. -> End | |