DME 7.8 DME 7.8 0 · 0-122P1137

DME 7.8 DME 7.8 0 0-122P1137 446 Clutch Switch - Signal Implausible Diagnosis conditions • Speed greater than 50 km/h • Time between two clutch engagement processes more than 5 sec • Number of gearshifts more than 5 Possible fault cause ♦Fuse faulty ♦Clutch switch ♦Short circuit to B+ ♦Open circuit Affected terminals - Diagnosis/Troubleshooting Note! ♦The clutch switch is linked to the instrument cluster. The DME control module receives information from the instrument cluster via the CAN bus. ♦If a clutch switch fault is stored, the cruise control system is out of order. Work instruction Display OK If not OK 1 Check fuse B 7. 2 Check clutch switch. ♦Clutch switch opens when actu- ated. 3 Check wiring. ♦Check the wiring from the clutch switch to the instrument cluster pin III/19 for short to B+. ♦Check the wiring from the clutch switch to the instrument cluster pin III/19 for continuity. 2780 P1137 0-122 page 1 Printed in Germany – 3, 2001 p1137