YH4
GRAND
VITARA
6-1-86
ENGINE (H25 ENGINE)
DTC P0174 FUEL SYSTEM TOO LEAN (BANK-2)
DTC P0175 FUEL SYSTEM TOO RICH (BANK-2)
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
TROUBLE AREA
P0174
Total fuel trim of BANK-2 is higher than 33 %.
P0175
Total fuel trim of BANK-2 is lower than – 33 %.
Vacuum leaks
Exhaust gas leakage
Fuel pressure out of specification
Fuel injector malfunction
Heated oxygen sensor malfunction
MAF sensor malfunction
ECT sensor malfunction
Fuel level sensor malfunction
DTC CONFIRMATION PROCEDURE
NOTE:
Check to make sure that following conditions are satisfied when using the DTC CONFIRMATION PROCE-
DURE.
WARNING:
D
When performing a road test, select a place where there is no traffic or possibility of a traffic accident
and very careful during to avoid occurrence of an accident.
D
Road test, should be carried out with 2 person, a driver and tester, on a level road.
D
Intake air temperature: between – 14
_
C and 70
_
C (6.8
_
F and 158
_
F)
D
Atmospheric pressure: higher than 560 mmHg (Altitude: lower than 2790 m (9150 ft))
D
Following DTCs are not detected: P0130, P0133 and P0134 (No.13)
(1) With ignition switch OFF, connect scan tool.
(2) Turn ON ignition switch and clear DTC by using scan tool if any.
(3) Start engine and warm up to normal operating temperature.
(4) Operate vehicle within freeze frame data condition as noted for 5 min.
(5) Stop vehicle and check DTC and pending DTC by using scan tool.
DTC TROUBLESHOOTING
STEP
ACTION
YES
NO
1
Was “ENGINE DIAG. FLOW TABLE” performed?
Go to Step 2.
Go to “ENGINE
DIAG. FLOW
TABLE”.
2
Is there DTC(s) other than “P0174” and “P0175”?
Go to applicable
DTC FLOW TABLE.
Go to Step 3.
3
Check intake system and exhaust system for leakage.
Are intake system and exhaust system in good
condition?
Go to Step 4.
Repair or replace.
4
Check fuel pressure referring to “TABLE B-3” in this
section.
Is check result satisfactory?
Go to Step 5.
Repair or replace.
5
Check fuel injectors (No. 2, 4, 6) referring to “ENGINE
AND EMISSION CONTROL” section.
Is check result satisfactory?
Go to Step 6.
Faulty injector(s).
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...