DME 7.8 DME 7.8 0 · Work instruction

DME 7.8 DME 7.8 0 Work instruction Display OK If not OK ♦Measure resistance between ∞ Ω special tool 9637 plug IV pin 36 and ground ♦Measure resistance between ∞ Ω special tool 9637 plug IV pin 37 Step 4 and ground Note! The wires are also routed to the PSM control module. Work instruction Display OK If not OK 4 Check CAN bus from DME ♦Remove DME control module Repair wiring har- control module to instru- connector ness ment cluster for short cir- → End. ♦Remove plug I from instrument cuit to B+ cluster ♦Remove PSM control module connector ♦Connect special tool 9637 to wiring harness (DME control module plug) ♦Switch on the ignition ♦Measure voltage between spe- cial tool 9637 plug IV pin 36 and ground ♦Measure voltage between spe- 0 V cial tool 9637 plug IV pin 37 and Step 5 ground 5 Check CAN bus from DME ♦Remove DME control module ∞ Ω Repair wiring har- control module to instru- connector → End. ness ment cluster for short cir- → End. ♦Remove plug I from instrument cuit cluster ♦Remove PSM control module connector ♦Remove plug of steering angle sensor ♦Connect special tool 9637 to wiring harness (DME control module plug) ♦Measure resistance between special tool 9637 plug IV Pin 36 and plug IV Pin 37 P1601 0-196 page 3 Printed in Germany – 8, 2002 p1601