DME 7.8 DME 7.80 · Work instruction Display OK

DME 7.8 DME 7.80 Work instruction Display OK If not OK 3 Check temperature sen- ♦Remove plug connection in Approx. 2 - 3 kΩ Replace tempera- sor. engine compartment Step 4 ture sensor → End ♦Measure resistance between temperature sensor Pin 1 and Pin 4 4 Check output voltage of ♦Connect special tool 9637. Do Approx. 5 V Step 5. DME control module not connect connector III of vehi- → End cle wiring harness. ♦Measure voltage between Pin III/ 22 and III/17 ♦Ignition on 5 Check wiring from DME ♦Connect special tool 9637 to 0 - 5 Ω Repair wiring har- control module to temper- wiring harness (DME control Step 6. ness ature sensor for continu- module plug). → End. ity ♦Remove plug of temperature sensor. ♦Measure resistance between special tool 9637 Pin III/17 and temperature sensor plug con- nection Pin 4 ♦Measure resistance between special tool 9637 Pin III/22 and temperature sensor plug con- nection Pin 1 6 Check wiring from DME ♦Connect special tool 9637 to ∞ Ω Repair wiring har- control module to temper- wiring harness (DME control Step 7. ness ature sensor for short to module plug). → End ground ♦Remove plug of temperature sensor. ♦Measure resistance between special tool 9637 pin III/22 and ground. 7 Check wiring from DME ♦Connect special tool 9637 to Approx. 5 V Repair wiring har- control module to temper- wiring harness (DME control Step 8 ness ature sensor for short to module plug). → End. B+ ♦Remove plug of temperature sensor. ♦Measure voltage between Pin III/ 22 and ground. 8 Replace DME control module. Step 9. → End. 9 Perform adaptation. ♦Switch on the ignition. → End. → End. ♦Wait one minute. Do not press the accelerator. ♦Switch off the ignition for at least 10 seconds. ♦Read out the fault memory. 0-15.1 page 2 2462 P0116 p0116 Printed in Germany – 6, 2002