Suzuki 2000 Grand Vitara SQ416, Service Manual

Page: 39 / 729

YH4
GRAND
VITARA
ENGINE DIAGNOSIS (G16 / J20 ENGINES) 6-35
E61
TERMINAL CIRCUIT NORMAL VOLTAGE CONDITION
1
Power source for CO adjusting
resistor (if equipped)
4.75 – 5.25 V Ignition switch ON
2 Power source for back up 10 – 14 V Ignition switch ON and OFF
3 Heater of HO2S 2 (if equipped)
10 – 14 V Ignition switch ON
3 Heater of HO2S-2 (if equipped)
0 – 2 V At specified condition
4 ——— —— ———
Immobilizer indicator lamp (without
0 – 1 V Ignition switch ON, engine stops
5
(
monitor connector)
10 – 14 V Engine running
5
Duty output terminal (with monitor
connector)
0 – 1 V Ignition switch ON
6 Tachometer 0 – 1 V Ignition switch ON
7 Malfunction indicator lamp
0 – 2.5 V Ignition switch ON, engine stops
7 Malfunction indicator lamp
10 – 14 V Engine running
8 A / C cut signal (if equipped)
0 – 1.5 V A / C is not operating
8 A / C cut signal (if equipped)
10 – 14 V A / C is operating
10 – 14 V Ignition switch OFF
9 Main relay
0 – 2 V
Ignition switch ON or for 4 seconds after
ignition switch OFF
10 CO adjusting resistor (if equipped) —— ———
11 ——— —— ———
12
Data link connector (5 V)
(if equipped)
4 – 6 V Ignition switch ON
13 Data link connector (12 V) 10 – 14 V Ignition switch ON
14 Test switch terminal (if equipped) 10 – 14 V Ignition switch ON
15
Rear defogger switch
0 – 1.5 V
Ignition switch ON, rear defogger switch OFF and
lighting switch OFF
15
gg
(if equipped)
10 – 14 V
Ignition switch ON, rear defogger switch or lighting
switch ON
16 Heater blower switch
10 – 14 V Ignition switch ON, heater blower switch OFF
16 Heater blower switch
0 – 1.5 V Ignition switch ON, heater blower switch ON
17 A / C signal (if equipped)
10 – 14 V
Ignition switch ON, A / C switch or heater
blower switch OFF
17 A / C signal (if equipped)
0 – 1 V
Ignition switch ON, A / C switch ON and heater
blower switch ON
18 ——— —— ———
19 “4WD” lamp (if equipped)
0 – 1 V Ignition switch ON, Transfer lever: H4 or 4L range
19 “4WD” lamp (if equipped)
10 – 14 V Ignition switch ON, Transfer lever: 2H range
20 “O / D OFF” lamp (if equipped)
0 – 1 V
For 4 sec. after ignition switch ON or overdrive cut
switch ON
20 “O / D OFF” lamp (if equipped)
10 – 14 V
After 4 sec. from ignition switch ON and overdrive cut
switch OFF
21 “POWER” lamp (if equipped)
0 – 1 V
Ignition switch ON, P / N change switch: POWER
mode
21 “POWER” lamp (if equipped)
10 – 14 V
Ignition switch ON, P / N change switch: NORMAL
mode
22
A / C condenser fan motor relay
(if equipped)
10 – 14 V
Ignition switch ON,
Engine coolant temp.: less than 113
_
C, 235
_
F
23 Fuel pump relay
0 – 2.5 V
For 3 sec. after ignition switch ON or while engine
running
23 Fuel pump relay
10 – 14 V
After 3 sec. from ignition switch ON with engine
stopped
24
Ground for HO2S-2 or CO
adjusting resistor
—— ———