Suzuki 2000 Grand Vitara SQ625 Service Manual page 40

6-36 ENGINE DIAGNOSIS (G16 / J20 ENGINES)
TERMINAL
25
Heated oxygen sensor-2
26
(if equipped)
27
28 Fuel level sensor
Diagnosis switch terminal
29
(if equipped)
30 ABS control module (if equipped)
Power / Normal change switch
31 31
(if equipped)
32 32 Lighting switch (if equipped) Lighting switch (if equipped)
33 33 Overdrive cut switch Overdrive cut switch
34 34 Stop lamp switch Stop lamp switch
35
1 Intake air temp. sensor
2 Engine coolant temp. sensor
Knock sensor (J20)
3
Ignition timing adjusting resistor
(G16) (if equipped)
4 Power source
5 Ground for MAF sensor
6 Ground
7 Power steering pressure switch
Manifold absolute pressure
8
sensor
9 9 Throttle position sensor Throttle position sensor
10 10 Mass air flow sensor Mass air flow sensor
11 Heated oxygen sensor-1
CIRCUIT NORMAL VOLTAGE
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g
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over and under 0.45 V
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While engine running at 2000 r / min.
0.01 – 0.95 V
for 3 min. or longer after warming up.
——
Ignition switch ON
0 – 6 V
Voltage depends on fuel level
10 – 14 V Ignition switch ON
10 – 14 V Ignition switch ON
Ignition switch ON, P / N change switch: POWER
0 – 1 V
mode
Ignition switch ON, P / N change switch: NORMAL
10 – 14 V
mode
0 – 1 V Ignition switch ON, Lighting switch OFF
10 – 14 V Ignition switch ON, Lighting switch ON
10 – 14 V Ignition switch ON, Overdrive cut switch OFF
0 – 1 V Ignition switch ON, Overdrive cut switch ON
Brake pedal released (switch OFF),
0 – 1 V
Ignition switch ON
Brake pedal depressed (switch ON),
10 – 14 V
Ignition switch ON
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Ignition switch ON, Sensor ambient temp.:
2.2 – 3.0 V
20_C, 68_F
Ignition switch ON, Engine coolant temp.:
0.5 – 0.9 V
80_C, 176_F
About 2.5 V Ignition switch ON
——
10 – 14 V Ignition switch ON
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10 – 14 V Ignition switch ON
With engine running at idle speed, turning
0 – 1 V
steering wheel to the right or left as far as it stops.
3.3 – 4.3 V Ignition switch ON
0.5 – 1.2 V Ignition switch ON, Throttle valve at idle position
3.4 – 4.7 V Ignition switch ON, Throttle valve at full open position
1.0 – 1.6 V Ignition switch ON and engine stops
1.7 – 2.0 V With engine running at idle speed
Deflects between While engine running at 2,000 r / min.
for 1 min. or longer after warmed up.
CONDITION
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