DME 7.8 DME 7.80 · Work instruction Display OK

DME 7.8 DME 7.80 Work instruction Display OK If not OK ♦Measure resistance between 0 - 5 Ω special tool 9637 plug II Pin 4 ⇒ Step 3 and Tiptronic control module plug Pin 86 3 Check CAN bus from DME ♦Remove DME control module Repair wiring har- control module to Tip- connector ⇒ Step 4 ness tronic control module for → End ♦Remove Tiptronic control mod- short to ground ule connector ♦Connect special tool 9637 to wiring harness (DME control module plug) ♦Measure resistance between ∞ Ω special tool 9637 plug II Pin 3 and ground ♦Measure resistance between ∞ Ω special tool 9637 plug II Pin 4 ⇒ Step 4 and ground 4 Check CAN bus from DME ♦Remove DME control module Repair wiring har- control module to Tip- connector ⇒ Step 5 ness tronic control module for → End ♦Remove Tiptronic control mod- short to B+ ule connector ♦Connect special tool 9637 to wiring harness (DME control module plug) ♦Measure voltage between spe- 0 V cial tool 9637 plug II Pin 3 and ground ♦Switch on the ignition ♦Measure voltage between spe- 0 V cial tool 9637 plug II Pin 4 and ⇒ Step 5 ground ♦Switch on the ignition 5 Check CAN bus from DME ♦Remove DME control module ∞ Ω Repair wiring har- control module to Tip- connector → End ness tronic control module for → End ♦Remove Tiptronic control mod- short circuit ule connector ♦Connect special tool 9637 to wiring harness (DME control module plug) ♦Measure resistance between special tool 9637 plug II Pin 3 and plug II Pin 4 0-85 page 2 P0600 p0600 Printed in Germany, 2000