Suzuki DF 90 Service Manual page 90

3-42 ENGINE CONTROL SYSTEM
IGNITION SECONDARY COIL RESISTANCE
09930-99320 : Digital tester
Tester range : Ω Ω Ω Ω Ω (Resistance)
1. Disconnect spark plug caps from spark plugs.
2. Measure resistance between both spark plug caps as shown
in figure.
Ignition secondary coil resistance :
18 – 34 kΩ Ω Ω Ω Ω
No. 2&3
19 – 36 kΩ Ω Ω Ω Ω
No. 1&4
CMP SENSOR SIGNAL
09930-89950 : 44-pin test cord
09930-99320 : Digital tester
Tester range :
1. Remove CMP sensor. (See page 3-53.)
2. Connect 44-pin test cord between ECM and wire harness
as shown in figure.
3. Connect tester probe + (Red) to No.33 terminal.
4. Connect tester probe - (Black) to No.11 terminal (or to
body ground).
5. Turn ignition switch ON.
6. Measure voltage when steel tip of a screwdriver is brought
near and then pulled away from sensor tip.
CMP sensor signal : Approx. 0.3V or 5V
NOTE:
Two signal voltages mentioned above (0.3V or 5V) will
change by repeating movement of screwdriver.
V (DC voltage)
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 10 11
14 15 16 14 15 14 15 16 16 17 18 17 17 18 19 20 21 18 19 19 20 20 21 21
(White connector)
23 23 24 23 24 25 26 27 28 29 30 31 32 33 34 35 24 25 25 26 26 27 27 28 28 29 29 30 30 31
36 36 37 38 36 37 37 38 38 39 40 41 42 43 39 40 39 40 41 41 42 42 43
(Black connector)
2 2
1. Screwdriver 1. Screwdriver
2. CMP sensor 2. CMP sensor
Wire harness
11 12 12 13 13
22 22 22
31 32 32 33 33 34 34 35 35
43 44 44 44
1 1