Service Instructions; How To Use The 36 Pin Test Cord Set; Inspection Of The Ecm And Its Circuit - Suzuki DF70A Service Manual

How to Use the 36 Pin Test Cord Set

This test cord is used when checking a circuit for voltage, etc. and is connected between the ECM and the wiring
harness.
To take a measurement, connect the tester probe to the relevant terminal of the test cord.
Special tool
(A): 09930–88730 (36-pin test cord set)
(White connector)
37 38 39 40 41 42 43 44 45 46 47 48 49
50 51 52 53 54
3
1. Black connector side

Inspection of the ECM and Its Circuit

CAUTION
The 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.
Special tool
: 09930–88730 (36-pin test cord set)
: 09930–99320 (Digital tester)
Tester knob indication
Voltage ( )
1) Turn the ignition switch "OFF".
2) Pull and remove the fuse box from electric parts holder.
3) Connect the 36-pin test cord set between the ECM and wire harness as shown in figure.
4) Turn the ignition switch "ON".
5) Connect the tester probe ("–", Black) to body ground, and measure the voltage according to the "Circuit Voltage
Table" (Page 1A-40).

Service Instructions

2
(A)
55 56 57 58 59 60 61 62 63 64 65 66 67
68 69 70 71 72
(Black connector)
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18
(White connector)
3
2. Gray connector side
Engine General Information and Diagnosis:
ECM
1
(A)
19 20 21 22 23 24 25 26 27 28 29 30 31
32 33 34
3. Wire harness
1A-39
Z9J0111106001
(Black connector)
35 36
I9J011110037-02
Z9J0111106002