Suzuki Liana RH418 Supplementary Service Manual page 90

1A-77 Engine General Information and Diagnosis:
Terminal No.
G03-1 Tachometer
G03-2
G03-3
A/C compressor operation
G03-4
signal (if equipped)
Engine torque signal for
G03-5
TCM (A/T)
G03-6 D-range ID-up signal (A/T)
G03-7 Malfunction indicator lamp
Data link connector
G03-8
(SUZUKI serial data line)
Engine coolant temp.
G03-9
signal for meter
G03-10 Electric load signal (–)
G03-11 Power source for back-up
Torque control input signal
G03-12
(A/T)
Data link connector (K line
G03-13
of ISO 9141)
Throttle opening signal for
G03-14
TCM (A/T)
G03-15
G03-16
G03-17 Monitor output
Circuit Normal Voltage
(Reference waveform
No.19 and No.20)
—
—
(Reference waveform
—
—
0 – 1 V Ignition switch ON
*0 – 1 V
While engine running.
↑↓
Output signal is pulse. (Pulse frequency varies
8 – 14 V
depending on engine speed. (3000 r/min. = 100
Hz)
—
—
0 – 1 V Engine running and A/C operated
6 – 10 V Engine running and A/C not operated
9 – 13 V Ignition switch ON
0 – 1 V Engine running at after warming up.
↑↓
(Output signal is 128 Hz low duty pulse. Duty
9 – 13 V ratio varies depending on engine torque)
Ignition switch turned ON and transmission select
0 – 1 V
lever in "P" or "N" range.
Ignition switch turned ON and transmission select
10 – 14 V
lever in "R" or "D", "2" or "L" range.
0 – 1 V Ignition switch ON
10 – 14 V When engine running
4 – 6 V Ignition switch ON
*0 – 1 V Ignition switch turned ON.
↑↓
(Output signal is active low duty pulse. Duty ratio
10 – 14 V varies depending on ECT.)
40 °C = 10% ON duty
120 °C = 90% ON duty
No.21)
Ignition switch turned ON and blower motor
4 – 14 V
switch turned to 1st speed position or OFF
Ignition switch turned ON and blower motor
0 – 2 V
switch turned to 2nd speed position or more.
10 – 14 V Anytime
10 – 14 V Ignition switch ON
Vehicle running at after warming up.
0 – 1 V
(Signal from TCM is 100 Hz low duty pulse. Pulse
↑↓
generated time is shifting time when transmission
4 – 6 V
gear is shifted by TCM.)
10 – 14 V Ignition switch ON
Ignition switch turned ON.
(Output signal is 128 Hz active low duty pulse.
0 – 0.6 V
Duty ratio varies as throttle valve is opened
↑↓
gradually.)
8 – 12 V
Throttle opening 0% = 0.78 ms ON duty
Throttle opening 100% = 6.24 ms ON duty
—
—
10 – 14 V Ignition switch ON
Condition
—
—
—
—