Suzuki Wagon R Manual page 2045

6-2-42 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
TERMINAL WIRE
NUMBER COLOR
E21-9 GRN/WHT
E21-10 –
E21-11 WHT/BLK
E21-12 BRN/YEL
E21-13 PNK/BLU
E21-14 YEL/RED
E21-15 GRN/RED
E21-16 WHT/BLU
E21-17 –
E21-18 –
E21-19 –
E21-20 –
E21-21 –
E21-22 –
E21-23 –
E21-24 –
E21-25 –
E21-26 –
E21-27 –
E21-28 BLK/WHT Ignition switch signal
E21-29 –
CIRCUIT
Electric load signal for
stop lamp
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Serial communication
line of data link con-
nector 12 V
Engine revolution sig-
nal output for tachome-
ter
Electric load signal for
heater blower motor
Fuel level sensor sig-
nal
A/C evaporator outlet
air temp. sensor signal
(if equipped)
Power source for ECM
internal memory
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NORMAL
VOLTAGE
Ignition switch turned ON, stop lamp not
0 – 1 V
lighted up
Ignition switch turned ON, stop lamp
10 – 14 V
lighted up
–
10 – 14 V Ignition switch turned ON
Ignition switch turned ON with engine
0 – 0.8 V
stop
*0 – 1 V While engine running.
↑↓ (Output signal is pulse. Pulse frequency
8 – 14 V varies depending on engine speed.)
(Reference wave- (2 pulses are generated par 1crankshaft
form No.22 and revolution.)
No.23) (3000 r/min = 100 Hz)
Ignition switch turned ON, blower fan
10 – 14 V
selector selected at OFF
Ignition switch turned ON, blower fan
0 – 1 V selector selected at 2nd speed position
or more
Ignition switch turned ON
0 – 6 V
Voltage depends on fuel level
Ignition switch turned ON at A/C evapo-
3.3 – 3.8 V
rator inlet air temperature 0°C (32°F)
Ignition switch turned ON at A/C evapo-
2.5 – 2.9 V
rator inlet air temperature 15°C (59°F)
Ignition switch turned ON at A/C evapo-
1.9 – 2.3 V
rator inlet air temperature 25°C (77°F)
Ignition switch turned ON and turned
10 – 14 V
OFF
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0 – 1 V Ignition switch turned OFF
10 – 14 V Ignition switch turned ON
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CONDITION
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