Motorola V60 Series Manual page 67

8. Start engine and place a call. While hearing static/noise during the call, vary engine
speed.
Is the complaint of static/noise engine speed related?
Yes - Substitute a known good handset.
Noise gone?
Yes - Original handset faulty.
A.
B.
C.
D.
No - If problem persists, contact Mercedes-Benz Regional Technical Support Specialist
for assistance. Document further diagnostic procedures, results, repairs, and time
used on work order. END
No - With the ignition on, power up the phone.
Is SSM 3 bars or more?
Yes - Go to STEP 9.
No - Move vehicle to a known good cellular coverage area.
Is SSM 3 bars or more?
Yes - Go to STEP 9.
No - Go to STEP 6.
9. During a test call shake, twist, and move the coil cord around.
Is static/noise present or did it change while shaking or moving the coil cord?
Yes - Substitute a new coil cord and place a few calls while shaking the coil cord as before.
Is static/noise present or did it change while shaking or moving the coil cord?
Yes - Reinstall original coil cord.
END
No - Go to STEP 10.
10. Visually inspect antenna cable for loose connections and antenna for proper installation.
Are connections loose or damaged?
Yes – Fix connection.
Is static/noise present?
Yes – Continue to step 11.
No – Original connection defective. END
No – Continue to step 11.
11. Visually inspect antenna cable for loose connections at the coil cord and compensator.
Are connections loose or damaged?
Yes – Fix connection.
Mercedes Benz Telephone Manual v4.6
Call service provider to activate new ESN.
Program phone in Portable Mode (coil cord unplugged).
Transfer numbers stored in location 1-99. (Enter them one at a time.)
Perform "Initial Installation" checks. END
Go
to STEP 10. No - Original coil cord defective.
4.0 Troubleshooting Section
Date: 09/01/2004