DME 7.8 DME 7.8 0 · 0-55P0341

DME 7.8 DME 7.8 0 0-55P0341 112 Camshaft position sensor 1 - signal implausible Diagnosis conditions • Engine running Possible fault cause ♦Loose contact ♦Camshaft position sensor Note! ♦If both CMP sensor signals are missing, the start will take at least 10 seconds. ♦For safety reasons, the ignition timing is retarded. Affected terminals Terminals III/7, III/12 and III/17 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check CMP voltage sup- ♦Remove connector of CMP sen- Approx. 5 V ⇒ Step 2 ply sor 1 ⇒ Step 5 ♦Switch on the ignition ♦Measure voltage between Pin 1 and Pin 3 2 Check power supply wir- ♦Remove connector of CMP sen- 0 - 5 Ω ing for continuity sor 1 ⇒ Step 3 ♦Connect special tool 9637 to wiring harness (DME control module plug) ♦Measure resistance between special tool 9637 Pin III/7 and CMP sensor 1 plug Pin 3 ♦Measure resistance between special tool 9637 Pin III/17 and CMP sensor 1 plug Pin 1 3 Replace DME control module ⇒ Step 4 2839 P0341 0-55 page 1 Printed in Germany, 2000 p0341