Suzuki 2000 Grand Vitara SQ416, Service Manual

Page: 26 / 729

YH4
GRAND
VITARA
6-22 ENGINE DIAGNOSIS (G16 / J20 ENGINES)
SCAN TOOL DATA CONDITION
NORMAL CONDITION/
REFERENCE VALUE
OTHER
OXYGEN SENSOR B1 S1
(HO2S-1 Output Voltage) At specified idle speed after warming up. 0.01 – 0.95 V
OXYGEN SENSOR B1 S2
(HO2S-2 Output Voltage) When engine is running at 2000 r/min. for 3 min.
or longer after warming up. 0.01 – 0.95 V
FUEL SYSTEM
(Fuel System Status) At specified idle speed after warming up. Closed
CALC LOAD
(C l
l d L d V l )
At specified idle speed with no load after warming up. 10 – 25 %
(Calculated Load Value)
At 2500 r/min with no load after warming up. 10 – 25 %
TOTAL FUEL TRIM At specified idle speed after warming up. –35 – +35 %
:
MAP (Intake Manifold
Absolute Pressure) At specified idle speed after warming up. 25 – 35 kPa,
7.4 – 10 in. Hg
CANIST PRG DUTY
(EVAP Canister Purge At specified idle speed after warming up. 0 %
:
(EVAP Canister Purge
Flow Duty)
:
VEHICLE SPEED At stop. 0 km/h 0 MPH
FUEL CUT When engine is at fuel cut condition. ON
:
Other than fuel cut condition. OFF
:
EGR VALVE At specified idle speed after warming up. 0%
:
A/C SWITCH
(if
i d)
When A/C not operating. OFF
:
(if equipped)
When A/C operating. ON
:
PSP SWITCH
(if equipped). Engine running at idle speed and steering wheel at
straight-ahead position. OFF
:
Engine running at idle speed and steering wheel
turned to the right or left as far as it stops. ON
:
PNP SIGNAL (Transmission
R
S i h) A/T l
Ignition switch
ON Selector lever in “P” or “N” position P/N Range
Range Switch) A/T only. ON
Selector lever in “R”, “D”, “2” or “L
position D Range
:
FUEL TANK LEVEL Ignition switch ON 0 – 100 %
:
BAROMETRIC PRESS ————— Display the
barometric pressure
FUEL PUMP Within 3 seconds after ignition switch ON or engine running. ON
Engine stop at ignition switch ON. OFF
BRAKE SW Ignition switch
ON
Brake pedal is depressing ON
ON
Brake pedal is releasing OFF
BLOWER FAN Ignition switch
ON Blower fan switch ON ON
ON
Blower fan switch OFF OFF
A / C CONDENSER FAN Ignition switch
ON A / C not operating OFF
ON
A / C operating ON
ELECTRIC LOAD Ignition switch ON / Headlight, small light, heater fan and
rear window defogger all turned OFF. OFF
Ignition switch ON / Headlight, small light, heater fan or rear
window defogger turned ON. ON