Inspection For Resistance - Suzuki DF 40 Service Manual

3-35 ENGINE CONTROL SYSTEM

INSPECTION FOR RESISTANCE

09930-99320 : Digital tester
Tester range : W W W W W (Resistance)
(1) Turn ignition switch OFF.
(2) Disconnect battery cables from battery.
(3) Disconnect all wires from ECM.
(4) Connect the tester probes to terminal of wire harness side,
and measure resistance according to the "RESISTANCE
TABLE".
RESISTANCE TABLE
ITEM
CKP sensor No.1
CKP sensor No.2
CKP sensor No.3
Ignition coil No.1 (Primary)
Ignition coil No.2 (Primary)
Ignition coil No.3 (Primary)
Ignition coil No.1 (Secondary)
Ignition coil No.2 (Secondary)
Ignition coil No.3 (Secondary)
Fuel injector No.1
Fuel injector No.2
Fuel injector No.3
IAC valve
IAT sensor
Cylinder temperature sensor
Ex-mani. temperature sensor
ECM main relay
Starter motor relay
TERMINAL FOR TESTER
PROBE CONNECTION
E4 (R/B) to D1 (B/W)
E3 (W/B) to D1 (B/W)
E1 (R/W) to D1 (B/W)
A5 (O) to B5 (Gr)
A1 (Bl) to B5 (Gr)
A3 (G) to B5 (Gr)
B5 (Gr) to No.1 spark plug cap
B5 (Gr) to No.2 spark plug cap
B5 (Gr) to No.3 spark plug cap
A4 (O/B) to B5 (Gr)
A7 (B/Y) to B5 (Gr)
A8 (R/W) to B5 (Gr)
B4 (B/R) to B5 (Gr)
D6 (Lg/B) to D1 (B/W)
D3 (Lg/W) to D1 (B/W)
C9 (V/W) to D1 (B/W)
B2 (P/B) to Terminal [NOTE1]
D11 (Y/G) to Ground
4 5 6 9 10 11 12
5 6 7 8
1 2 3
B 1 2 3 4
C (White)
9 10 11 12
5 6 7 8
5 6 7 8
1 2 3 4
1 2 3 4
A
D (Black)
STANDARD RESISTANCE
(at 20°C)
168 – 252 W
1.9 – 2.5 W
8.1 – 11.1 kW
11.0 – 16.5 W
21.5 – 32.3 W
0°C ( 32°F) : 5.3 – 6.6 kW
25°C ( 77°F) : 1.8 – 2.3 kW
50°C (122°F) : 0.73 – 0.96 kW
75°C (135°F) : 0.33 – 0.45 kW
(Thermistor characteristic)
80 – 120 W
3.5 – 5.1 W
3 4
1 2
E