2005 TOYOTA AVENSIS Service Repair Manual

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Page 4249 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A81001
B−Y (RHD)
BATTECM
E102 7
IE3B−Y
10
EE17
IO1
INJF E1325
R−B
E57
IJF B−W
+B
E91
B−W 6
IK1 B−W
GR
MREL 8
GR 2
IE1 E9
Y
IREL 10 4
IE2 E9Y GR
B−WB−W
111
1 1 1 11
1 3
2 5EFI
MAIN
Rela

Page 4250 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A81508
ECM EDU
IJT#1 INJF
COM1 INF
IJT#4
IJT#2
IJT#3 #1
#4
#2
#3INJ#1
INJ#4
INJ#2
INJ#3 COM2
Injector
AB
Warning: Terminal COM1, COM2, and INJ#1to 4 are high−voltage
C DHigh−voltage Area
A09438
#1

Page 4251 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A81511
5V/
Division
20 msec./Division INJFSignal Waveform
05−372
− DIAGNOSTICSECD SYSTEM (1CD−FTV)(From September, 2003)
AVENSIS Supplement (RM1045E)
(b) Reference: Inspection using the oscillos

Page 4252 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 1
2
A81503
Injector Assy
Component Side:
I5
I6
I7I8
2
1
A80992
Wire Harness Side:
Injector Connector
I5
I6
I7I8
Front View
A84815
E4
Wire Harness Side: EDU Connector
INJ#3 INJ#2 INJ#4 INJ#1 COM1
COM2f

Page 4253 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A80994
INF
IJT#1 IJT#2 IJT#3 IJT#4
E5
Wire Harness Side:
EDU Connector
Front View
A80456
E13
ECM Connector #4
#3 #2
#1 INJF
A56874
E4
Wire Harness Side:
EDU Connector
BATTERY
Front View
A80994
E5
Wire

Page 4254 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A66060ECM ConnectorE1
E13
#2
#1#3 #4 E12
INJF
A09438
#1
#2
#3
#4 5V/
Division
20 msec./Division
Signal Waveform
A09437
5V/
Division
20 msec./Division
Signal Waveform
INJF
−
DIAGNOSTICS ECD SYSTEM (

Page 4255 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual −
DIAGNOSTICS ECD SYSTEM (1CD −FTV)(From September, 2003)
05 −367
AVENSIS Supplement (RM 1045E)
DTC P0 191 FUEL RAIL PRESSURE SENSOR CIRCUIT
RANGE/PERFORMANCE
CIRCUIT DESCRIPTION
Refer to DTC

Page 4256 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual −
DIAGNOSTICS ECD SYSTEM (1CD −FTV)(From September, 2003)
05 −36 1
AVENSIS Supplement (RM 1045E)
DTC P0 168 FUEL TEMPERATURE TOO HIGH
CIRCUIT DESCRIPTION
Refer to DTC P0 180 on page 05 −362.

−
DIAGNOSTICS ECD SYSTEM (1CD −FTV)(From September, 2003)
05 −36 1
AVENSIS Supplement (RM 1045E)
DTC P0 168 FUEL TEMPERATURE TOO HIGH
CIRCUIT DESCRIPTION
Refer to DTC P0 180 on page 05 −362.
DTC No.DTC Detection ConditionTrouble Area
If the fuel temperature between was 35 ˚ C (95 ˚ F) and 60 ˚ C
( 1 40 ˚ F) at engine start, and condition (a) and (b) are met:
(2 trip detection logic)
(a) Vehicle is driven at varying speeds (under acceleration and
deceleration)
(b) Fuel temperature remains within 3 ˚ C (37 ˚ F) of the engine
starting temperature
P0 168If the fuel temperature was more than 60 ˚ C( 140 ˚ F) at engine
start, and conditions (a) and (b) are met:
(6 trip detection logic)
(a) Vehicle is driven at varying speeds (under acceleration and
deceleration)
(b) fuel temperature remains within 1˚ C (34 ˚ F) of the engine
starting temperature, and this is successively recorded 6
timesS Fuel temperature sensor
INSPECTION PROCEDURE
HINT:
S If DTCs P0 180, P0 182 and P0 183 are output simultaneously, the fuel temperature sensor circuit may
be open or short. Perform troubleshooting for those DTCs first.
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.
1 CHECK OTHER DTC OUTPUT(IN ADDITION TO DTC P0 168)
(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 DTCs. Result:
Display (DTC output)Proceed to
P0168A
P0 168 and other DTCsB
HINT:
If any other codes besides P0 168 are output, perform troubleshooting for those DTCs first.
B GO TO RELEVANT DTC CHART(See page 05 −299)
A
REPLACE FUEL TEMPERATURE SENSOR
05CPO −03

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