2005 TOYOTA AVENSIS Service Repair Manual

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Page 4145 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A66053
Engine Room R/B No. 4:
EFI Relay
A66053A79066
Engine Room R/B No. 4:
EFI No.1 Fuse
1
2
A67445
MREL
E9
ECM Connector+B
Wire Harness Side:
05−240
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS S

Page 4146 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−224
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E)
DTC P2120 THROTTLE/PEDAL POSITION
SENSOR/SWITCH ”D” CIRCUIT
DTC P2122 THROTTLE/PEDAL POSITION
SENSOR/SWITCH ”D” CIRC

Page 4147 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A71015
0
Accelerator Pedal Opening Angle (deg)125
VPA1 VPA2
5
Movable Range
Usable Range
Usable Range *1
*1
Movable Range
Usable Range
*2
Accelerator pedal released (15˚)
Accelerator pedal depressed

Page 4148 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−226
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E) DTC No.
DTC Detection ConditionTrouble Area
P2120Condition (a) continues for 0.5 second or more:
(a) VPA is 0.2 V or less, o

05−226
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E) DTC No.
DTC Detection ConditionTrouble Area
P2120Condition (a) continues for 0.5 second or more:
(a) VPA is 0.2 V or less, or 4.8 V or moreSAccelerator pedal position sensor
SECM
P2122
Condition (a) continues for 0.5 second or more when accelera-
tor pedal is fully released:
(a) VPA is 0.2 V or lessSAccelerator pedal position sensor
SOpen in VCPA circuit
SVPA circuit open or ground short
SECM
P2123Condition (a) continues for 2.0 seconds or more:
(a) VPA is 4.8 V or moreSAccelerator pedal position sensor
SOpen in EPA circuit
SECM
P2125Condition (a) continues for 0.5 second or more:
(a) VPA2 is 0.5 V or less, or 4.8 V or moreSAccelerator pedal position sensor
SECM
P2127
Condition (a) continues for 0.5 second or more when accelera-
tor pedal is fully released:
(a) VPA2 is 0.5 V or lessSAccelerator pedal position sensor
SOpen in VCP2 circuit
SVPA2 circuit open or ground short
SECM
P2128
Conditions (a) and (b) continue for 2.0 seconds or more:
(a) VPA2 is 4.8 V or more
(b) VPA is 0.2 V or more, and 3.45 V or lessSAccelerator pedal position sensor
SOpen in EPA2 circuit
SECM
P2138
Condition (a) or (b) continues for 2.0 seconds or more:
(a) Difference between VPA and VPA2 is 0.02 V or less
(b) VPA is 0.2 V or less and VPA2 is 0.5 V or lessSVPA and VPA2 circuit are short−circuit
SAccelerator pedal position sensor
SECM
HINT:
After confirming DTC P2120, P2122, P2123, P2125, P2127, P2128 and P2138, confirm the throttle valve
opening using the hand−held tester.
Accelerator pedal position expressed as voltage output
Trouble areaAccelerator pedal releasedAccelerator pedal depressedTroublearea
ACCEL POS #1ACCEL POS #2ACCEL POS #1ACCEL POS #2
VCP circuit open0 to 0.2 V0 to 0.2 V0 to 0.2 V0 to 0.2 V
VPA circuit open or ground short0 to 0.2 V1.2 to 2.0 V0 to 0.2 V3.4 to 5.3 V
VPA2 circuit open or ground short0.5 to1.1V0 to 0.2 V2.6 to 4.5 V0 to 0.2 V
EP circuit open4.5 to 5.5 V4.5 to 5.5 V4.5 to 5.5 V4.5 to 5.5 V

Page 4149 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A76878
A20
Accelerator pedal
Position Sensor
VCP16 (LHD)
E926ECM
VCPA B
4 (RHD)
(LHD)B
(LHD) 5
IG2
B
(RHD)
VPA15 (LHD)
E922
VPA G
5 (RHD)
(LHD)G
(LHD) 6
IG2
G
(RHD)
EP13 (LHD)
E928
EPA Y
1(RHD)
(LHD)Y

Page 4150 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual FI7052DepressedReleased
A82236
VCP1 VCP2 EP2
EP1
LHD
Accelerator Pedal Assy
321
654
RHD
Accelerator Pedal Assy
321
654
VCP2 EP2
EP1 VCP1
A20
A20
05−228
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS

Page 4151 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A53765
VCP2 (+) VCPA (+)
EPA (−)
EPA2 (−)
ECM Connector
E9
A53765
VPA2 (+) VPA (+)
EPA (−)
EPA2 (−)
ECM Connector
E9
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
05−229
AVENSIS Supplement (RM1045E)

Page 4152 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual Accelerator Pedal Position Sensor
Connector
A54384
EP2
EP1VPA2
VCP2
VPA1VCP1 Wire Harness Side
LHD
A20
Front View
Accelerator Pedal Position Sensor
Connector
A54384
EP1
EP2
VPA2
VCP1
VPA1VCP2 Wire Har

Accelerator Pedal Position Sensor
Connector
A54384
EP2
EP1VPA2
VCP2
VPA1VCP1 Wire Harness Side
LHD
A20
Front View
Accelerator Pedal Position Sensor
Connector
A54384
EP1
EP2
VPA2
VCP1
VPA1VCP2 Wire Harness Side
RHD
A20
Front View
A54404
EPA2
EPA
E9
VCPA VCP2
VPA2
VPA
ECM Connector 05−230
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E)
5 CHECK HARNESS AND CONNECTOR(ACCELERATOR PEDAL POSITION
SENSOR−ECM)
(a) Disconnect the A20 accelerator pedal position sensor
connector.
(b) Disconnect the E9 ECM connector.
(c) Check the resistance between the wire harness side con-
nectors.
Standard (LHD):
(Check for open)
Tester ConnectionSpecified Condition
VPA1(A20−5)−VPA (E9−22)Below1
EP1(A20−3)−EPA (E9−28)Below1
VCP1(A20−6)−VCPA (E9−26)Below1
VPA2 (A20−2)−VPA2 (E9−23)Below1
EP2 (A20−1)−EPA2 (E9−29)Below1
VCP2 (A20−4)−VCP2 (E9−27)Below1
(Check for Short)
Tester ConnectionSpecified Condition
VPA1(A20−5) or VPA (E9−22)−Body ground10kor higher
EP1(A20−3) or EPA (E9−28)−Body ground10kor higher
VCP1(A20−6) or VCPA (E9−26)−Body ground10kor higher
VPA2 (A20−2) or VPA2 (E9−23)−Body ground10kor higher
EP2 (A20−1) or EPA2 (E9−29)−Body ground10kor higher
VCP2 (A20−4) or VCP2 (E9−27)−Body ground10kor higher
Standard (RHD):
(Check for open)
Tester ConnectionSpecified Condition
VPA1(A20−5)−VPA (E9−22)Below1
EP1(A20−1)−EPA (E9−28)Below1
VCP1(A20−4)−VCPA (E9−26)Below1
VPA2 (A20−2)−VPA2 (E9−23)Below1
EP2 (A20−3)−EPA2 (E9−29)Below1
VCP2 (A20−6)−VCP2 (E9−27)Below1
(Check for Short)
Tester ConnectionSpecified Condition
VPA1(A20−5) or VPA (E9−22)−Body ground10kor higher
EP1(A20−1) or EPA (E9−28)−Body ground10kor higher
VCP1(A20−4) or VCPA (E9−26)−Body ground10kor higher
VPA2 (A20−2) or VPA2 (E9−23)−Body ground10kor higher
EP2 (A20−3) or EPA2 (E9−29)−Body ground10kor higher
VCP2 (A20−6) or VCP2 (E9−27)−Body ground10kor higher
(d) Reconnect the accelerator pedal position sensor connec-
tor.
(e) Reconnect the ECM connector.

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