Seat memory S02; S03; 911 Turbo (996)72 · Work instruction Displa

Seat memory S02; S03; 911 Turbo (996)72 Work instruction Display OK If not OK 5 Check supply lead of the ♦Switch off ignition. < 5 Ω Repair wiring har- sensor for open circuit Step 6 ness. ♦Pull plug 9 off the control mod- → End ule. ♦Measure resistance between plug 9 pin 1 on the control module and pin 1 of plug on the lumbar adjustment device (pressure sensor). 6 Check supply lead of the ♦Measure resistance between ∞ Ω Repair wiring har- sensor for short to plug 9 pins 1 and 3 on the con- Step 11 ness. ground trol module. → End ♦Measure resistance on plug 9 between pin 1 and ground. 7 Check ground lead of the ♦Pull plug 9 off the control mod- < 5 Ω Repair wiring har- sensor for open circuit ule. Step 11 ness. → End ♦Measure resistance between plug 9 pin 3 on the control module and pin 3 of plug on the lumbar adjustment device (pressure sensor). 8 Check signal lead of sen- ♦Pull plug 9 off the control mod- ∞ Ω Repair wiring har- sor for short circuit to ule. Step 9 ness. ground → End ♦Measure resistance between plug 9 on control module pin 2 and ground. ♦Measure resistance between plug 9 pins 2 and 3 on the con- trol module. 9 Check signal lead of the ♦Measure resistance between < 5 Ω Repair wiring har- sensor for open circuit plug 9 pin 2 on the control Step 11 ness. module and pin 2 of plug on → End the lumbar adjustment device (pressure sensor). 10 Replace lumbar adjustment device End 11 Replace control module End 72-22 page 2 7298 Fault code 18 18xxxs02 Printed in Germany – 42, 2003