Volkswagen Polo Service & Repair Manual: Midtronics Battery Tester -MCR340VKT-, Troubleshooting
| Sometimes the display shows the malfunction or the messages
based on the condition. |
| The following is a list of the most frequent displayed
messages together with suggested solutions. |
 Note
| Refer to the MCR340V Operating Instructions for messages not
listed here. |
|
|
|
| Display Message |
Measure |
| No display |
| – |
Make sure the battery tester terminals are attached securely
to the battery terminals. |
| – |
Make sure the battery pole is tightened to the tightening
specification and is not corroded. |
| – |
Charge battery. Refer to
→ Chapter „Battery Tester Charger Kit -GRX3000VAS-“. |
|
| System noises |
| – |
Switch off all electrical consumers. |
| – |
Wait until all electrical equipment, which are monitored by
the vehicle electrical system control module, are switched off.
|
| – |
Disconnect any doubtful or standard production electrical
equipment from the vehicle electrical system. |
|
| Wait a few minutes and then perform the test again. Refer to
→ Chapter „Battery, Testing using Midtronics Battery Tester
-MCR340VKT-“. |
Note
| If the test was performed at the battery jump start terminal
and the message still does not go away, then perform the test
directly on the battery. |
|
Requirements
WARNING
Read and follow the Safety Precautions when working
with batteries. Refer to
...
WARNING
Batteries that have a light yellow visual indicator
do not have to be tested or charged. Jump starting must
...
Other materials:
Electrically-Driven A/C Compressor for High Voltage System
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
CAN Bus Wires, Repairing
Unshielded two-strand wiring -1-
and -2- with a cross section of
0.35 mm2 or 0.5 mm2
can be used as CAN bus wiring.
The color coding of CAN bus wires can be found in the
following table:
...
Wheel Balancing, Rim Radial and Lateral Run-Out, Checking
Mount the rim on the Balancing Machine.
–
Use the Wheel Centering System Adapter -VAS5271-.
–
Preload the Tire Dial Gauge approximately 2 mm.
–
Turn the rim slowly.
...
© 2016-2026 Copyright www.vwpolo.net
Battery, Testing using Midtronics Battery Tester -MCR340VKT
Current Draw Test