YH4
GRAND
VITARA
1. Throttle body
2. Idle air control
valve
3. ECM (PCM)
4. Sensed information
5. Main relay
ENGINE DIAGNOSIS (G16 / J20 ENGINES)
6-103
TABLE B-4 IDLE AIR CONTROL SYSTEM INSPECTION
WIRING DIAGRAM
INSPECTION
STEP
ACTION
YES
NO
1
Check engine idle speed and IAC duty
referring to “Idle Speed / IAC Duty
Inspection” in Section 6E1.
Is idle speed / IAC duty within specification?
Go to Step 2.
Go to Step 3.
2
Is engine idle speed kept specified speed
even with headlights turned ON?
System is in good condition.
Go to Step 3.
3
Check IAC valve referring to “IAC Valve
Inspection” in Section 6E1.
Is check result as specified?
Go to Step 4.
IAC valve malfunction,
“Bl / B”, “Lg / B”, “V / B”,
“Gr / Bl” or “V / Y” wire
open or short or poor
coupler connection.
If all above are OK,
substitute a known-
good ECM (PCM) and
recheck.
Содержание 2000 Grand Vitara SQ416
Страница 75: ...ENGINE DIAGNOSIS G16 J20 ENGINES 6 71 Fig 1 for Step 3...
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...
Страница 723: ...6H 30 CHARGING SYSTEM 17 Make sure that rotor turns smoothly...
Страница 729: ...Prepared by Overseas Service Department 1st Ed April 2000 Printed in Japan Printing April 2000 736...