Suzuki GRAND VITARA XL-7, Руководство по обслуживанию

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1B-10 AIR CONDITIONING (OPTIONAL)
ECM VOLTAGE VALUES TABLE
Termi-
nal
Wire Circuit
Measurement
ground
Normal
value
Condition
C51 8
Radiator fan
ECM ground
–0.3 – 0.3 V Radiator fan state OFF with engine running
C51-8
E227-4
Bl / B
Radiator fan
motor state
ECM ground
terminal
4 – 5 V Radiator fan state low with engine running
E227-4
input
terminal
12 – 15 V Radiator fan state high with engine running
C51-25
E227-18
Y / W
Radiator fan
motor relay
drive output
ECM ground
terminal
– 0.3 – 0.3 V
Engine coolant temperature sensor more than
105
_
C (221
_
F) with engine running, in this case
relay should be drive, and it come back at less than
101
_
C (213.8
_
F)
(high)
12 – 15 V
Except the above-mentioned condition with
engine running
C51-47
Y / B
A / C ON
signal input
ECM ground
12 – 15 V A / C ON
E227-29
Y / B
g
from A / C
controller
g
terminal
– 0.3 – 0.3 V A / C OFF
A / C ON signal input from A / C controller through
relay
C51-83
E227-3
Y / Bl
Radiator fan
motor relay
drive (low)
ECM ground
terminal
– 0.3 – 0.3 V
Engine coolant temperature at more than 97
_
C
(206.6
_
F) with engine running, in this case relay
should be drive and it come back at less than 93
_
C
(199.4
_
F)
12 – 15 V
Except the above-mentioned conditions with
engine running
A / C ON
12 – 15 V A / C ON at engine running with normal condition
C51-84
E227-21
Gr / W
A / C ON
permission
signal to A / C
controller
ECM ground
terminal
– 0.3 – 0.3 V
ECT sensor temperature more than 110
_
C
(230
_
F), in this case ECM is not permission A / C
signal and it come back at less than approx.
108.5
_
C (227.3
_
F)