Suzuki 2000 Grand Vitara SQ416, Service Manual

Page: 42 / 729

YH4
GRAND
VITARA
6-38 ENGINE DIAGNOSIS (G16 / J20 ENGINES)
C51-2
C51-1 (A/T)
TERMINAL CIRCUIT NORMAL VOLTAGE CONDITION
22 A / T output speed sensor (–) About 2.5 V Ignition switch ON
23 A / T output speed sensor (+) About 2.5 V Ignition switch ON
24-25 ——— —— ———
26 4WD low switch
0 – 1 V Ignition switch ON, Transfer lever: 4WD low range
26 4WD low switch
10 – 14 V Ignition switch ON, Transfer lever: 4H or 2H range
27 Transmission range switch “L”
10 – 14 V Ignition switch ON, Selector lever: “L” range
27 Transmission range switch “L”
0 – 1 V Ignition switch ON, Selector lever: Other than “L” range
28 Transmission range switch “2”
10 – 14 V Ignition switch ON, Selector lever: “2” range
28 Transmission range switch “2”
0 – 1 V Ignition switch ON, Selector lever: Other than “2” range
1 Fuel injector No.2
10 14 V Ignition switch ON
2 Fuel injector No.1
10 – 14 V Ignition switch ON
3 IAC valve (stepper motor coil 1) —— ———
4 Heater of HO2S 1 (if equipped)
10 – 14 V Ignition switch ON
4 Heater of HO2S-1 (if equipped)
0 – 2 V At specified idle speed after engine warmed up.
5 ——— —— ———
6 ——— —— ———
7
4WD air pump assembly
10 – 14 V
Ignition switch ON, Transfer lever:
4H or 4L range
7
4WD air um assembly
(if equipped)
0 – 1 V
Ignition switch ON, Transfer lever:
2H range
8 Fuel injector No.4
10 14 V Ignition switch ON
9 Fuel injector No.3
10 – 14 V Ignition switch ON
10 IAC valve (stepper motor coil 4) ——
11 IAC valve (stepper motor coil 3) —— ———
12 IAC valve (stepper motor coil 2) ——
13
EGR valve (stepper motor coil 4)
(if equipped)
0 – 1 V
14
EGR valve (stepper motor coil 3)
(if equipped)
10 – 14 V
Ignition switch ON
15
EGR valve (stepper motor coil 2)
(if equipped)
10 – 14 V
Ignition switch ON
16
EGR valve (stepper motor coil 1)
(if equipped)
0 – 1 V
17 EVAP canister purge valve 10 – 14 V Ignition switch ON
18 4WD switch
0 – 1 V Ignition switch ON, Transfer lever: 4H or 4L range
18 4WD switch
10 – 14 V Ignition switch ON, Transfer lever: 2H range
19
Crankshaft position sensor (+)
(if equipped)
—— ———
20
Crankshaft position sensor (–)
(if equipped)
—— ———
21
Ignition coil assembly for No.4
(J20)
—— ———
22
Ignition coil assembly for No.3
(J20)
—— ———
23
Ignition coil assembly for No.2
and No.3 (G16)
—— ———
23
Ignition coil assembly for No.2
(J20)
—— ———
24
Ignition coil assembly for No.1
and No.4 (G16)
—— ———
24
Ignition coil assembly for No.1
(J20)
—— ———