Inspection For Ecm Circuit Voltage - Suzuki DF150 Service Manual

3-48 ENGINE CONTROL SYSTEM

INSPECTION FOR ECM CIRCUIT VOLTAGE

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ECM cannot be bench checked. It is strictly prohibited
to connect any tester (voltmeter or ohmmeter) to an
ECM which has been disconnected from the engine
wiring harness.
! 09930-89340: 26-pin & 34-pin test cord
09930-99320: Digital tester
$ Tester range: % DCV (See chart for range.)
1. Turn ignition switch OFF.
2. Connect the 26-pin & 34-pin test cord between ECM and
wire harness as shown in figure.
3. Turn ignition switch ON.
4. Connect the tester probe ("-", Black) to body ground, and
measure voltage according to the "CIRCUIT VOLTAGE
TABLE".
34 pin test cord
(White connector)
27 28 29 30 31 32 33 34 35 36 37 38 39
40 41 42 43
44 45 46 47 48 49 50 51 52 53 54 55 56
57 58 59 60
(Black connector)
1 2 3 4 5 6 7 8 9 10 11 12 13
(White connector)
1 2 3 4 5 6 7 8 9 10 11 12 13
White connector
27 28 29 30 31 32 33 34 35 36 37 38 39
40 41 42 43
White connector
26 pin test cord
(Black connector)
14 15 16 17 18 19 20 21 22 23 24 25 26
26 pin test cord
14 15 16 17 18 19 20 21 22 23 24 25 26
Black connector
34 pin test cord
44 45 46 47 48
57 58 59
Black connector
49 50 51 52 53 54 55 56
60