2005 TOYOTA AVENSIS Service Repair Manual

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Page 4049 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual − PREPARATIONDRIVE SHAFT / PROPELLER SHAFT
02−29
AVENSIS Supplement (RM1045E)
Equipment
Torque wrench
Dial gauge with magnetic base
Lubricant
ItemCapacity
Front drive shaft
Outboard joint grease
I

Page 4050 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−82
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E)
DTC P0130 OXYGEN SENSOR CIRCUIT (BANK1
SENSOR1)
DTC P0150 OXYGEN SENSOR CIRCUIT MALFUNCTION
(BANK 2 SENSOR1)
DTC P2195 OXYGEN

Page 4051 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A00798
Atmosphere
Housing
Platinum Electrode
Solid Electrolyte
(Zirconia Element)
Platinum Electrode
Heater
Coating (Ceramic)
Exhaust Gas CoverIdeal Air−Fuel Mixture
Output Voltage
Richer−Air Fuel

Page 4052 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−84
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E) DTC No.
DTC Detection ConditionTrouble Area
P0130
P0150After engine is warmed up, output voltage of heated oxygen
sensor rema

Page 4053 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A76864
ECM
MREL
HT1B 8
E9
E12 25 H8
Heated Oxygen Sensor (Bank1Sensor 2)
4 21
3P
B
W−B 4
2
1
D 2
12
4A
W−B
Battery
EC 1 3
5
J/C
FL MAIN
E B−W
EEBR(*1)
*1: Shielded 4EFI
No. 2Engine
Room
R/B No.

Page 4054 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A89553
Vehicle speed(25 mph)40 km/h
Ignition switch OFF (a) (b) Engine is
warming
−up
Idling (c)
(d)
(e)
30 seconds
or more (f)
30 seconds
25 seconds
or more
(e)
30 seconds
or more
25 seconds
or mor

Page 4055 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual +25 %
−12.5 %
More than 0.5 V
Less than 0.4V
Case1
Case 2
Case 3
Case 4
Output voltage of heated oxygen
sensor (sensor1: front sensor)
Injection volume
Output voltage
Output voltage of heated oxygen

+25 %
−12.5 %
More than 0.5 V
Less than 0.4V
Case1
Case 2
Case 3
Case 4
Output voltage of heated oxygen
sensor (sensor1: 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
Sensor1: front sensor
(sensor1, heater, sensor1
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
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
05−87
AVENSIS Supplement (RM1045E)
INSPECTION PROCEDURE
HINT:
Hand−held tester only:
It is possible the malfunctioning area can be found using the ACTIVE TEST A/F CONTROL operation. The
A/F CONTROL operation can determine if the A/F sensor, heated oxygen sensor or other potential trouble
areas are malfunctioning or not.
(a) Perform the ACTIVE TEST A/F CONTROL operation.
HINT:
The A/F CONTROL operation lowers the injection volume12.5% or increases the injection volume 25%.
(1) Connect the hand−held tester to the DLC3 on the vehicle.
(2) Turn the ignition switch to ON.
(3) Warm up the engine by running the engine at 2,500 rpm for approximately 3 minutes.
(4) Select the item: DIAGNOSIS / OBD/MOBD / ACTIVE TEST / A/F CONTROL.
(5) Perform the A/F CONTROL operation with the engine in an idle condition (press the right or left
button).
Result:
Heated oxygen sensor reacts in accordance with increase and decrease of injection volume:
+25 %rich output: More than 0.5 V
−12.5 %lean output: Less than 0.4 V
NOTICE:
There is a delay of few seconds in the sensor1(front sensor) output, and there is about 20 seconds
delay at maximum in the sensor 2 (rear sensor).

Page 4056 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−88
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
The following A/F CONTROL procedure enables the technician to check and graph the voltage outputs of
both the heated oxyge

05−88
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
The following A/F CONTROL procedure enables the technician to check and graph the voltage outputs of
both the heated oxygen sensor.
To display the graph, enter ACTIVE TEST/ A/F CONTROL/USER DATA, then select ”O2S B 1S 1 and O2S
B 1S2” or ”O2S B2S 1 and O2S B2S2” by pressing the ”YES” button followed by the ”ENTER” button and then
the ”F4” button.
NOTICE:
If the vehicle is short of fuel, the air −fuel ratio becomes LEAN and heated oxygen sensor DTCs will
be recorded, and the CHK ENG then illuminates.
HINT:
S If different DTCs related to different systems that have terminal E2 as the ground terminal are output
simultaneously, terminal E2 may have an open circuit.
S Read freeze frame data using the hand−held tester . Freeze frame data records the engine conditions
when a malfunction is detected. When troubleshooting, freeze frame data can help determine if the
vehicle was running or stopped, 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.
S 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.
S 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.
1 CHECK OTHER DTC OUTPUT(IN ADDITION TO HEATED OXYGEN SENSOR
DTCS)
(a) Connect the hand −held tester to the DLC3.
(b) Turn the ignition switch to ON and turn the hand −held tester ON.
(c) Select the item: DIAGNOSIS / OBD/MOBD / DTC INFO / CURRENT CODES.
(d) Read the DTCs using the hand −held tester.
Result:
Display (DTC output)Proceed to
P0 130, P0 150, P2 195, P2 196, P2 197 and/or P2 198A
P0 130, P0 150, P2 195, P2 196, P2 197 or P2 198 and other DTCsB
HINT:
If any other codes besides P0 130, P0 150, P2 195, P2 196, P2 197 and/or P2 198 are output, perform trouble-
shooting for those DTCs first.
B GO TO RELEVANT DTC CHART(See page 05 −31)
A

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