2005 TOYOTA AVENSIS Service Repair Manual

ignition battery capacity adding oil change time ESP bulb

Page 4913 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual +25 %
–12.5 %
More than 0.5 V
Less than 0.4V
Case 1
Case 2
Case 3
Case 4
Output Voltage of Heated Oxygen
Sensor (sensor 1: front sensor)
Injection volume
Output voltage
Output Voltage of Heated Oxy

+25 %
–12.5 %
More than 0.5 V
Less than 0.4V
Case 1
Case 2
Case 3
Case 4
Output Voltage of Heated Oxygen
Sensor (sensor 1: front sensor)
Injection volume
Output voltage
Output Voltage of Heated Oxygen
Sensor (sensor 2: rear sensor)Main Suspect
Trouble Area
OK
+25 %
–12.5 %
More than 0.5 V
Less than 0.4V
Injection volume
Output voltage
+25 %
–12.5 %
More than 0.5 V
Less than 0.4V
Injection volume
Output voltage
Sensor 1: front sensor
(Sensor 1, heater, sensor 1
circuit)
+25 %
–12.5 %
More than 0.5 V
Less than 0.4V
Injection volume
Output voltage
+25 %
–12.5 %
Injection volume
Output voltage
NG
+25 %
–12.5 %
Injection volume
Output voltage
NG
+25 %
–12.5 %
Injection volume
Output voltage
NG
+25 %
–12.5 %
Injection volume
Output voltage
NGExtremely rich or lean actual
air–fuel ratio
(Injector, fuel pressure, gas
leakage in exhaust system,
etc.) OK
OK
OK
Almost no reaction

Sensor 2: rear sensor
(Sensor 2, heater, sensor 2
circuit)
Almost no reaction Almost no reactionAlmost no reaction
05–108
– DIAGNOSTICSSFI SYSTEM (1ZZ–FE/3ZZ–FE)(From February, 2004)
AVENSIS REPAIR MANUAL SUPPLEMENT
(RM1098E)
The following A/F Control procedure enables the technician to check and graph the voltage output of both
the heated oxygen sensors.
To display the graph, select the following menu items on the tester: View / Line Graph.
NOTICE:
If the vehicle is short of fuel, the air–fuel ratio becomes lean and the heated oxygen sensor DTCs will
be recorded, and the MIL then illuminates.
HINT:
Read freeze frame data using the intelligent tester II. Freeze frame data record the engine condition
when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the
vehicle was moving or stationary, if the engine was warmed up or not, if the air–fuel ratio was lean or
rich, and other data from the time the malfunction occurred.
A high heated oxygen sensor (sensor 1) voltage (0.5 V or more) could be caused by a rich air–fuel
mixture. Check for conditions that would cause the engine to run rich.
A low heated oxygen sensor (sensor 1) voltage (0.4 V or less) could be caused by a lean air–fuel mix-
ture. Check for conditions that would cause the engine to run lean.

Page 4914 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual – DIAGNOSTICSSFI SYSTEM (1ZZ–FE/3ZZ–FE)(From February, 2004)
05–109
AVENSIS REPAIR MANUAL SUPPLEMENT
(RM1098E)
1 CHECK AIR INDUCTION SYSTEM
(a) Check for vacuum leaks in the air induction syst

Page 4915 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A60548
32 1 4 5
–20 0 20 40 60 80 100 0.1 0.2 0.3 0.51 2 3 5 10 20 30
(–4) (32) (68) (140)(104) (212)(176)
Air
VG
E2G+B
THA E2
Acceptable
Temperature C (F)
Resistance kΩ
05–110
– DIAGNOSTI

Page 4916 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual //
30
20
10
5
3
02040 0.11
0.3
0.2 0.52
60 80 100 –20
(–4) (104) (140) (176)(32) (68) (212)
A81700
Ohmmeter
Acceptable
Temperature C (F)
Resistance kΩ
– DIAGNOSTICSSFI SYSTEM (1ZZ�

Page 4917 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A97090
A93649
+B HT
E1 Component Side:
Front View Heated Oxygen Sensor Connector
Sensor 1
OX
05–112
– DIAGNOSTICSSFI SYSTEM (1ZZ–FE/3ZZ–FE)(From February, 2004)
AVENSIS REPAIR MANUAL SUPPLEME

Page 4918 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual B16200
– DIAGNOSTICSSFI SYSTEM (1ZZ–FE/3ZZ–FE)(From February, 2004)
05–113
AVENSIS REPAIR MANUAL SUPPLEMENT
(RM1098E)
11 INSPECT EFI RELAY
(a) Remove the EFI relay from the engine room R/B No.

Page 4919 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A79114
Wire Harness Side:
Sensor 1H7
Heated Oxygen Sensor Connector
HT
OX
E1
Front View
A65746
HT1A
ECM Connector E12
OX1AE2 E13
A78602
Reference (Sensor 1 System Diagram):
Heated Oxygen Sensor
EFI Re

Page 4920 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A58686
Vehicle Speed48 km/h
(30 mph)
Ignition Switch OFF 40 seconds
or more
Engine coolant temperature is more than 75
C (167 F)
20 seconds
or more 40 seconds
or more
40 seconds
or more
(g) (h)
I

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