volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Electrical - Battery Charging and Testing Information|Page 5771 > < Electrical - Battery Charging and Testing Information|Page 5769
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2.

Check and/or charge battery based on applicable Technical Bulletin.

3.

If INC-940 test fails battery, replace battery before continuing.

Step 2: Verify Sleep State Current

1.

Connect 50 amp current clamp to VAS 5051A/B.

2.

Calibrate the current clamp.

3.

Connect current clamp to negative battery cable with arrow pointing away from battery.

4.

Close all doors, trunk, or hood latch so vehicle control units detect all doors closed.

5.

Arm vehicle anti-theft system with remote.

6.

Observe sleep state current draw after vehicle is left untouched for TWO HOURS.

7.

If after two hours the vehicle exceeds maximum sleep state current draw, proceed to Step 3: Consuming Circuit Isolation. If vehicle does not
exceed maximum sleep state current draw, perform a long term (overnight)

measurement test. Record the long term measurement using MIN/MAX setting of scan tool.

^

Excessive current = Measured current > nominal sleep current

Step 3: Consuming Circuit Isolation

Starting at interior fuse boxes, perform the following tasks:

Electrical - Battery Charging and Testing Information|Page 5771 > < Electrical - Battery Charging and Testing Information|Page 5769