DME 7.8 DME 7.8 0 · 0-83P0562

DME 7.8 DME 7.8 0 0-83P0562 107 Voltage supply - below limit Diagnosis conditions • Vehicle speed greater than 0 km/h (0 mph) • No fault in vehicle speed • Time elapsed after start-up 60 sec. Possible fault cause ♦Battery ♦Contact resistance Affected terminals Terminal II/2 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check battery ⇒ Step 2 Replace battery → End 2 Check wire, terminal 30, ♦Connect special tool 9637 to > 11 V ⇒ Step 3 for contact resistance wiring harness (DME control ⇒ Step 4 module plug) ♦Measure voltage between spe- cial tool 9637 Pin I/2 and ground 3 ♦Check wire from special tool 0 - 5 Ω 9637, Pin I/2, to pin side of con- ⇒ Step 4 nector X 2/3, Pin 2, for continu- ity ♦Check connector for corrosion 4 ♦Check wire from connector X 2/ 0 - 5Ω Remedy contact 3, sleeve side, to current distrib- ⇒ Step 5 resistance utor fuse C 1 for continuity → End 5 Check voltage regulator and alternator → End 2706 P0562 0-83 page 1 Printed in Germany, 2000 p0562