Fault, DTC Possible causes, elimination, notes · Test point 20

Fault, DTC Possible causes, elimination, notes Test point 20 Kick-downswitch Faulteffect: Short to ground No kick-down. DTC 53 Note The function of the kick-downswitch can be tested with the Porsche System Tester 2 (Inputsignals/Kick-downJ. 1. Test function of the switch with the tester. Note As the accelerator pedal box must not be opened, the complete box must be replaced if the kick-downswitch is defective. 2. Check wire from control module connector pin 18 to the kick-downswitch for short to ground. Nominalvalue: Accelerator pedal in idle position (kick-downswitch open) = 00Q Accelerator pedal to the stop (kick-down)= 0 ...5 .0. Test point 21 Instrumentcluster Faulteffect: Activation Reduceddriving program, No signal change DTC 56 Note The Tiptronic control module (pin 25) is connected to the instrumentcluster (pin 11/17)via a serial data lead, Specification: Signal type = PWM Frequency = 50 Hz Level = 0 ...12 V 37 -D 36 37 01 Diagnosis/Troubleshooting, Tiptronic 99637D21 Printed in Germany -8, 1998