Suzuki SX4 Service Manual page 229

Terminal Wire
No. color
CAN (low)
communication line
E01-18 WHT (active low signal)
to ABS / ESP®
control module
Electric load signal
E01-19 BLU/
for heater blower
WHT
motor
GRN/ Brake light switch
E01-20
WHT signal
E01-21 —
E01-22 —
E01-23 —
YEL/ Fuel level sensor
E01-24
RED signal
E01-25 —
RED/
E01-26 EPS signal
BLU
E01-27 —
Serial
YEL/ communication line
E01-28
BLK for immobilizer coil
antenna
BLK/ Ignition switch
E01-29
WHT signal
Starting motor
E01-30 WHT
control relay output
E01-31 BLK Ground for ECM
Power supply of
E01-32 GRN throttle actuator
drive circuit
E01-33 —
Output for 5 V
E01-34 RED power source of
APP sensor (sub)
Output for 5 V
E01-35 BRN power source of
APP sensor (main)
Circuit Normal voltage
*0.5 – 2.5 V
("Reference
waveform No.23: ")
10 – 14 V
0 – 1 V
0 – 1 V
10 – 14 V
— —
— —
— —
0 – 6 V
— —
10 – 14 V
0 – 1 V
— —
10 – 14 V
0 – 1 V
10 – 14 V
0 – 1 V
0 – 1 V
Below 0.3 V
10 – 14 V
— —
4.5 – 5.5 V
4.5 – 5.5 V
Engine General Information and Diagnosis:
Condition
Ignition switch turned ON
with engine at stop.
IG switch: ON Blower
selector < 3rd position
(Manual A/C model)
IG switch: ON Blower
selector < 2nd position
(Auto A/C model)
IG switch: ON Blower
selector > 2nd position
Ignition switch turned ON,
stop lamp not lit up.
Ignition switch turned ON,
stop lamp lit up.
—
—
—
Ignition switch turned ON.
Voltage varies depends on
fuel level.
—
Ignition switch turned ON.
With engine running at idle
speed, and steering wheel
turned to the right or left as
far as it stops.
—
Ignition switch turned ON.
Ignition switch turned OFF.
Ignition switch turned ON.
Ignition switch turned ON.
Ignition switch is turned to
ST (engine cranking)
position.
Ignition switch turned ON.
Ignition switch turned ON.
—
Ignition switch turned ON.
Ignition switch turned ON.
1A-179
Remarks
CAN communication line
signal is pulse. Pulse
signal displayed with a
regular frequency which
varies depending on
engine condition.
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