Suzuki 2000 Grand Vitara SQ625 Service Manual page 42

6-38 ENGINE DIAGNOSIS (G16 / J20 ENGINES)
TERMINAL
22 A / T output speed sensor (–)
23 A / T output speed sensor (+)
24-25
26 26 4WD low switch 4WD low switch
27 27 Transmission range switch "L" Transmission range switch "L"
28 28 Transmission range switch "2" Transmission range switch "2"
1 Fuel injector No.2
2 Fuel injector No.1
3 IAC valve (stepper motor coil 1)
4 4 Heater of HO2S-1 (if equipped) Heater of HO2S 1 (if equipped)
5
6
4WD air um assembly 4WD air pump assembly
7 7
(if equipped)
8 Fuel injector No.4
9 Fuel injector No.3
10 IAC valve (stepper motor coil 4)
11 IAC valve (stepper motor coil 3)
12 IAC valve (stepper motor coil 2)
EGR valve (stepper motor coil 4)
13
(if equipped)
EGR valve (stepper motor coil 3)
14
(if equipped)
EGR valve (stepper motor coil 2)
15
(if equipped)
EGR valve (stepper motor coil 1)
16
(if equipped)
17 EVAP canister purge valve
18 18 4WD switch 4WD switch
Crankshaft position sensor (+)
19
(if equipped)
Crankshaft position sensor (–)
20
(if equipped)
Ignition coil assembly for No.4
21
(J20)
Ignition coil assembly for No.3
22
(J20)
Ignition coil assembly for No.2
and No.3 (G16)
23 23
Ignition coil assembly for No.2
(J20)
Ignition coil assembly for No.1
and No.4 (G16)
24 24
Ignition coil assembly for No.1
(J20)
CIRCUIT NORMAL VOLTAGE
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About 2.5 V Ignition switch ON
About 2.5 V Ignition switch ON
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0 – 1 V Ignition switch ON, Transfer lever: 4WD low range
10 – 14 V Ignition switch ON, Transfer lever: 4H or 2H range
10 – 14 V Ignition switch ON, Selector lever: "L" range
0 – 1 V Ignition switch ON, Selector lever: Other than "L" range
10 – 14 V Ignition switch ON, Selector lever: "2" range
0 – 1 V Ignition switch ON, Selector lever: Other than "2" range
10 10 – 14 V 14 V Ignition switch ON Ignition switch ON
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10 – 14 V Ignition switch ON
0 – 2 V At specified idle speed after engine warmed up.
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Ignition switch ON, Transfer lever:
10 – 14 V
4H or 4L range
Ignition switch ON, Transfer lever:
0 – 1 V
2H range
10 10 – 14 V 14 V Ignition switch ON Ignition switch ON
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0 – 1 V
10 – 14 V
Ignition switch ON Ignition switch ON
10 – 14 V
0 – 1 V
10 – 14 V Ignition switch ON
0 – 1 V Ignition switch ON, Transfer lever: 4H or 4L range
10 – 14 V Ignition switch ON, Transfer lever: 2H range
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CONDITION
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