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1A-63 Engine General Information and Diagnosis:
11) Stop vehicle (do not turn ignition switch OFF). Confirm test results according to “Test Result Confirmation Flow” in
“DTC Confirmation Procedure” of “DTC P0420: Catalyst System Efficiency below Threshold”.
DTC Troubleshooting
IYSY01111045-01
A: *Usual driving – Driving at 50 - 60 km/h, 30 - 40 mph including short stop according to traffic signal. (under driving condition other than high-load, high-
engine speed, rapid accelerating and decelerating)
Step
Action
Yes
No
1
Was “Engine and Emission Control System Check”
performed?
Go to Step 2.
Go to “Engine and
Emission Control
System Check”.
2
Check exhaust system for leakage, loose connection
and damage
Is it in good condition?
Go to Step 3.
Repair or replace.
3
Check HO2S-2 and its circuit
Was HO2S-2 output voltage indicated on scan tool in Step 3)
of “DTC Confirmation Procedure” less than 1.275 V?
Go to Step 4.
“WHT” or “ORN” circuit
short to power supply
circuit or HO2S-2
malfunction.
4
Check short term fuel trim
Did short term fuel trim vary within –20 – +20% range in Step
3) of “DTC Confirmation Procedure”?
Check “WHT” or “ORN”
wire for open and short,
and connection for poor
connection.
If wire and connection
are OK, replace HO2S-
2.
Check fuel system.
Go to “DTC P0171 /
P0172: Fuel System
Too Lean / Rich”.
Содержание Liana RH413
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Страница 58: ...1A 7 Engine General Information and Diagnosis Engine and Emission Control System Flow Diagram I2RH0B110006 01...
Страница 336: ...1K 4 Exhaust System...
Страница 456: ...3D 4 Propeller Shafts...
Страница 553: ...Automatic Transmission Transaxle 5A 5 4WD I3RH0A510002 01 1 Transfer...
Страница 648: ...5A 100 Automatic Transmission Transaxle Automatic Transaxle Assembly Components S3RH0A5106025 I3RH0A510027 01...
Страница 1044: ...8B 119 Air Bag System...
Страница 1049: ...Table of Contents 9 v Roof Molding Components 9M 1 Splash Guard If Equipped Components 9M 2...
Страница 1085: ...Wiring Systems 9A 35 8 9 17 18 21 FWD R 5door 4door 5door 23 FWD L 6 7 7 2 FWD L Left side shown 13 10 14 L R I3RH0A910975 01...
Страница 1274: ...9L 14 Paint Coatings Wagon Under Coating Application Areas S3RH0A9C23002 Refer to Under Coating Application Areas...
Страница 1278: ...9M 3 Exterior Trim...
Страница 1300: ...Prepared by 1st Ed Nov 2003 2nd Ed Feb 2007...
Страница 1301: ...19 mm 99500 54G10 01E 99500 54G10 01E SERVICE MANUAL VOLUME 1 OF 2 SERVICE MANUAL VOL 1 OF 2...
Страница 1302: ...27 mm 99500 54G10 01E 99500 54G10 01E SERVICE MANUAL VOLUME 2 OF 2 SERVICE MANUAL VOL 2 OF 2...