YH4
GRAND
VITARA
ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE)
6E2-15
IDLE SPEED / IDLE AIR CONTROL (IAC) DUTY INSPECTION
Before idle speed / IAC duty check, make sure of the following.
Lead wires and hoses of engine / emission control systems are
connected securely.
Accelerator cable is adjusted.
Ignition timing is within specification.
All accessories (wipers, heater, lights, A / C, etc.) are out of ser-
vice.
Air cleaner has been properly installed and is in good condition.
ECM (PCM) does not detect any malfunction DTC.
After above items are all confirmed, check idle speed and IAC duty
as follows.
NOTE:
Before starting engine, place transmission gear shift lever in
“Neutral” (shift selector lever to “P” range for A / T vehicle),
and set parking brake and block drive wheels.
[Using SUZUKI scan tool, Tech 1]
1) Connect SUZUKI scan tool to DLC with ignition switch OFF.
Special Tool
(A): SUZUKI scan tool, Tech 1
(B): Mass storage cartridge
(C): 16 / 14 pin DLC cable
2) Warm up engine to normal operating temperature.
3) Check IAC duty and idle speed by using “Data List” mode of SU-
ZUKI scan tool.
A / C OFF
A / C ON
Engine idle
without monitor
connector
675
50 r / min.
g
speed:
with monitor
connector
750
50 r / min.
800
50 r / min.
IAC duty at specified idle speed:
10 – 50%
If duty and / or idle speed is out of specifications, check idle air
control system referring to Diagnostic Flow Table “DTC P0505
IDLE AIR CONTROL SYSTEM MALFUNCTION” in “ENGINE”
section.
4) Check that specified engine idle speed is obtained with A / C ON
if vehicle is equipped with A / C.
If not, check A / C ON signal circuit and idle air control system.
Содержание 2000 Grand Vitara SQ416
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Страница 179: ...6 1 68 ENGINE H25 ENGINE a Fig for STEP 2 3 a HO2S heater relay...
Страница 190: ...ENGINE H25 ENGINE 6 1 79 a Fig for STEP 2 3 a HO2S heater relay...
Страница 205: ...6 1 94 ENGINE H25 ENGINE Fig for STEP 4 1 Disconnected CMP sensor coupler 2 BI B wire terminal 3 Gr Y wire terminal...
Страница 541: ...6E1 4 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES G16 ENGINE...
Страница 542: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 5...
Страница 543: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES J20 ENGINE...
Страница 544: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 7...
Страница 549: ...Or W Bl G Bl Y C51 1 22 C51 1 23 C51 1 10 C51 1 11 6E1 12 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES...
Страница 552: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 15...
Страница 592: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Страница 593: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 5...
Страница 597: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 9...
Страница 661: ...IGNITION SYSTEM FOR J20 H25 ENGINES 6F2 13 INSTALLATION For installation reverse removal procedure...
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Страница 729: ...Prepared by Overseas Service Department 1st Ed April 2000 Printed in Japan Printing April 2000 736...