VW Polo manuals

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.
–  Remove the key.
–  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.
Battery, Testing using Midtronics Battery Tester -MCR340VKT
Requirements   WARNING Read and follow the Safety Precautions when working with batteries. Refer to ...

Current Draw Test
  WARNING Batteries that have a light yellow visual indicator do not have to be tested or charged. Jump starting must ...

Other materials:

Wiring Harness Repair Set -VAS1978
The Wiring Harness Repair Set -VAS1978- makes optimal repair quality possible in the realm of vehicle electronics. Using the tools, repairs affecting harness connectors and for breaks in wiring can be performed. For this purpose, complete repair wires wi ...

Test after driving for 10 minutes
First read and observe the introductory information and safety warnings Reconnect the tyre filler hose and check the tyre pressure on the tyre pressure display ⑥. 1.3 bar (19 psi / 130 kPA) and lower: Do not drive on! The tyre cannot be sealed adequately with the breakdown set. ...

Support Mode with Battery Charger -VAS5095A
General Information The support mode provides the vehicle electrical system with voltage when the battery is removed or disconnected. For more information. Refer to Battery Charger -VAS5095A- Operating Instructions. ...

© 2016-2026 Copyright www.vwpolo.net