Grammer MSG 90.6PG - Page 77

Repair Manual MSG 90.6PG Commercial Vehicles, Omnibuses – November 2017
Material no. 1153450_c
2.4 Fault diagnosis
Page 16 of 16
TABLE OF CONTENTS
8 Inspection of the cable for electro-pneumatic gearshift (EPS cable)
Preconditions for fault diagnosis:
• The electrical system of the vehicle has been inspected and found to be OK in compliance with the vehicle operating
instructions.
Note: The components mentioned above are illustrated in Chapter 2.1, if not stated otherwise in this text.
Step
no.
Inspect/operate Result/specified status Troubleshooting
8.1 • Disconnect the electrical connection between
the EPS cable and the vehicle.
• Disconnect the electrical connection (G)
between the EPS cable and the EPS control
element.
• Short-circuit the contacts at the socket of the
EPS cable and measure the resistance at the
corresponding pins P1 to P9 at the plug of the
EPS cable:
P1 Ω P2 to P9
<< 1 Ω (R→ 0) (pass)
≥ 1 Ω (R→ ∞) (interruption)
End of inspection.
Replace the EPS cable
(see Chapter 3.21).