Suzuki Swift User Manual page 15

D Be careful not to touch the electrical terminals of parts which
use microcomputers (e.g. electronic control unit like as
ECM, PCM, P/S controller, etc.). The static electricity from
your body can damage these parts.
D Never connect any tester (voltmeter, ohmmeter, or whatever)
to electronic control unit when its coupler is disconnected.
Attempt to do it may cause damage to it.
D Never connect an ohmmeter to electronic control unit with
its coupler connected to it. Attempt to do it may cause dam-
age to electronic control unit and sensors.
D Be sure to use a specified voltmeter/ohmmeter. Otherwise,
accurate measurements may not be obtained or personal in-
jury may result. If not specified, use a voltmeter with high-im-
pedance (MΩ/V minimum) or a digital type voltmeter.
D When taking measurements at electrical connectors using a
tester probe (2), be sure to insert the probe from the wire har-
ness side (backside) of the connector (1).
D When connecting meter probe (2) from terminal side of cou-
pler (1) because it can't be connected from harness side, use
extra care not to bend male terminal of coupler of force its fe-
male terminal open for connection.
In case of such coupler as shown connect probe as shown
to avoid opening female terminal.
Never connect probe where (3) male terminal is supposed to
fit.
D To avoid damage to the harness, protect its part which may
contact against a part forming a sharp angle by winding tape
or the like around it.
GENERAL INFORMATION 0A-11