BOMBARDIER Johnson 90 Service Manual page 92

ENGINE CONTROL SYSTEM
INSPECTION
lnspection For ECM Circuit Voltage
[ACAUTION
J
ECM cannot be bench checked. lt is strictly prohibited to connect any tester (voltmeter or ohm­
meter) to an ECM separated from the engine wiring harness.
1f obt1
5034223: 44-pin test cord
Digital tester
~~ Tester range: ::-: V (DC voltage)
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
8
(black) to body groundl , and measure voltage according to "CIRCUIT
VOLTAGE TABLE".
ECM
(Black connector)
3-32