Suzuki DF 40 Service Manual page 89

CIRCUIT VOLTAGE TABLE
WIRE COLOR
TER-
MINAL
ENGINE TEST CORD
A1 Bl Bl
A2 B G
A3 G B/W
A4 O/B B/R
A5 O O
A6 B B
A7 B/Y B/Y
A8 R/W Lg
B1 B/W R/W
B2 P/B P/B
B3 B G
B4 B/R O/B
B5 Gr Gr
B6 B B
C1 Bl/R B/W
C2 Y/B R
C3 G/W Lg/W
C4 G/Y Bl
C5 P B/G
C6 Bl/B Lg/B
C7 Bl/W W
C8 Br Lg/R
C9 V/W G/Y
C10 Bl/Y B/R
C11 R/Y Y/G
C12 O O/Y
D1 B/W B/W
D2 R R
D3 Lg/W Lg/W
D4 Bl Bl
D5 B/G B/G
D6 Lg/B Lg/B
D7 W W
D8 Lg/R Lg/R
D9 G/Y G/Y
D10 — B/R
D11 Y/G Y/G
D12 O/Y O/Y
E1 R/W B
E2 O/G O/G
E3 W/B W/B
E4 R/B R/B
A
CIRCUIT
No.2 Ignition (–)
Ground for power source
No.3 Ignition (–)
No.1 Fuel injector (–)
No.1 Ignition (–)
Ground for power source
No.2 Fuel injector (–)
No.3 Fuel injector (–)
Fuel pump (–)
Ground for ECM main relay
Ground for ECM
IAC valve solenoid (–)
ECM power source
Ground for ECM
Emergency stop switch
Tachometer
CHECK ENGINE lamp
TEMP lamp
REV-LIMIT lamp
OIL lamp
Buzzer
Neutral switch
Ex-manifold temperature sensor
PC communication
PC communication
Buzzer cancel
Ground for sensors
Power source for MAP sensor
Cylinder temperature sensor
Oil pressure switch
O2 feedback/PC communication
IAT sensor
MAP sensor
CTP switch
PC communication
—
Engine start switch (signal)
PC communication
CKP sensor No.3
CMP sensor
CKP sensor No.2
CKP sensor No.1
B C
ENGINE CONTROL SYSTEM 3-34
STANDARD
CONDITION / REMARKS
VOLTAGE
Approx. 12V Ignition switch ON
—
Approx. 12V Ignition switch ON
Approx. 12V Ignition switch ON
Approx. 12V Ignition switch ON
—
Approx. 12V Ignition switch ON
Approx. 12V Ignition switch ON
Approx. 0V For 3 sec. after ignition switch ON
While engine cranking
Approx. 12V Other than above (Ignition switch ON)
—
—
Approx. 12V Ignition switch ON
Approx. 12V Ignition switch ON
—
Approx. 5V Ignition switch ON, plate IN
Approx. 0V Ignition switch ON, plate OUT
—
—
—
—
—
—
Approx. 0V Ignition switch ON, shift into NEUTRAL
Approx. 5V Ignition switch ON, shift into FORWARD or REVERSE
0.14 – 4.75V Ignition switch ON
—
—
Approx. 12V Ignition switch ON, key pushed
Approx. 0V Ignition switch ON, key not pushed
—
Approx. 5V Ignition switch ON
0.14 – 4.75V Ignition switch ON
Approx. 5V While engine running
Approx. 0V Other than above (Ignition switch ON)
—
0.14 – 4.75V Ignition switch ON
0.20 – 4.50V Ignition switch ON
Approx. 5V Ignition switch ON, throttle not fully closed
Approx. 0V Ignition switch ON, throttle fully closed
—
—
6 – 12V While engine cranking
Approx. 0V Other than above (Ignition switch ON)
—
—
Ignition switch ON
Approx.1V or 5V
—
—
D
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E