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| Push back protective sleeve. |
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| Connect hand-held multimeter -V.A.G 1526C- (voltage test range) with probes and plug-in adapters from adapter set -V.A.G 1594C- between contacts -1- and -4-, as shown in illustration; the connector remains in place. |
Note The connector contacts are numbered accordingly on the back of the connector. |
l
| Specification when starting and at idling speed: approx. 4 ... 5.7 V. |
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| Press accelerator pedal quickly to the floor and release again (short throttle burst). |
l
| Specification: The voltage value should first increase slightly, then drop and eventually rise to the previous reading. |
If display differs from specification described above: |
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| Check voltage supply and activation of fuel pump control unit -J538-. |
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