Inspection For Ecm Circuit Voltage - Suzuki DF 90 Service Manual

3-36 ENGINE CONTROL SYSTEM

INSPECTION FOR ECM CIRCUIT VOLTAGE

ECM cannot be bench checked. It is strictly prohibited
to connect any tester (voltmeter or ohmmeter) to an
ECM separated from the engine wiring harness.
09930-89950 : 44-pin test cord
09930-99320 : Digital tester
Tester range :
1. Connect 44-pin test cord between ECM and wire harness
as shown in figure.
2. Turn ignition switch ON.
3. Connect the tester probe - (Black) to body ground, and
measure voltage according to "CIRCUIT VOLTAGE TABLE".
(White connector)
V (DC voltage)
ECM
44-pin test cord
(Black connector)
Wire harness