2005 TOYOTA AVENSIS Service Repair Manual

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Page 4089 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A72920
Reference (Bank1 Sensor 1 System Drawing)
Heated Oxygen Sensor
EFI Relay
Heater
SensorOX1A
HT
1A
Duty
Control
ECM
From
Battery EFI Fuse
E2
EFI No. 2
Fuse
MREL
OX HT
E 1
+B
05
−50
−
DIAGNOST

Page 4090 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A79112
E1OX B2S1 H9
+B
HT Heated Oxygen Sensor
Component Side:
Front View
A62378
+BHT
E1
1
2
3 4
OX
B1S1 H7
Heated Oxygen Sensor Component Side:
Front View B1S2 H8
B2S2H10
B16200
− DIAGNOSTICSSFI SY

Page 4091 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A76903
HT1B (+)HT1A (+)
HT2A (+)
HT2B (+)
E03 (−)
ECM Connector E12
E11
05−52
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E)
3 INSPECT ECM(HT1A, HT1B, HT2A OR HT2B VOLTAGE)
(a)

Page 4092 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A66290
Wire Harness Side:
B1S1
B1S2
B2S1B2S2 H7
H9
H8
H10
Heated Oxygen Sensor Connector HT
HT
+B+B
Front View
A81695
HT1A
HT2BHT2A
HT1B
E12
ECM Connector
A66053
Engine Room R/B No. 4:
EFI Relay
A9021

A66290
Wire Harness Side:
B1S1
B1S2
B2S1B2S2 H7
H9
H8
H10
Heated Oxygen Sensor Connector HT
HT
+B+B
Front View
A81695
HT1A
HT2BHT2A
HT1B
E12
ECM Connector
A66053
Engine Room R/B No. 4:
EFI Relay
A90210
Engine Room R/B No. 4:
EFI No.2 fuse
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
05−53
AVENSIS Supplement (RM1045E)
4 CHECK HARNESS AND CONNECTOR(HEATED OXYGEN SENSOR−ECM,
HEATED OXYGEN SENSOR−EFI RELAY)
(a) Check the harness and connector between the ECM and
heated oxygen sensor connectors.
(1) Disconnect the H7, H8, H9 or H10 heated oxygen
sensor connector.
(2) Disconnect the E12 ECM connector.
(3) Check the resistance between the wire harness
side connectors.
Standard (Check for open):
Tester ConnectionSpecified Condition
HT (H7−1)−HT1A(E12−5)Below1
HT (H8−1)−HT1B(E12−25)Below1
HT (H9−1)−HT2A (E12−4)Below1
HT (H10−1)−HT2B (E12−33)Below1
Standard (Check for short):
Tester ConnectionSpecified Condition
HT (H7−1)or HT1A(E12−5)−Body ground10kor higher
HT (H8−1)or HT1B(E12−25)−Body ground10kor higher
HT (H9−1) or HT2A (E12−4)−Body ground10kor higher
HT (H10−1) or HT2B (E12−33)−Body ground10kor higher
(4) Reconnect the heated oxygen sensor connector.
(5) Reconnect the ECM connector.
(b) Check the harness and connector between the heated
oxygen sensor and EFI relay.
(1) Inspect the EFI No.2 fuse.
SRemove the EFI No.2 fuse from the engine
room R/B No. 4.
SCheck for continuity in the EFI No.2 fuse.
Standard: Continuity
SReinstall the EFI No. 2 fuse.
(2) Disconnect the H7, H8, H9 or H10 heated oxygen
sensor connector.
(3) Remove the EFI relay from the engine room R/B No.
4.
(4) Check the resistance between the wire harness
side connectors.
Standard (Check for open):
Tester ConnectionSpecified Condition
+B (H7−2)−Engine room R/B No. 4 (EFI relay terminal 3)Below1
+B (H8−2)−Engine room R/B No. 4 (EFI relay terminal 3)Below1
+B (H9−2)−Engine room R/B No. 4 (EFI relay terminal 3)Below1
+B (H10−2)−Engine room R/B No. 4 (EFI relay terminal 3)Below1

Page 4093 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−54
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E)
Standard (Check for short):
Tester ConnectionSpecified Condition
+B (H7−2) or Engine room R/B No. 4 (EFI relay terminal 3)�

Page 4094 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−48
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
DTC P00 16 CRANKSHAFT POSITION − CAMSHAFT
POSITION CORRELATION (BANK 1 SENSOR
A)
CIRCUIT DESCRIPTION
Refer to DTC P0335

Page 4095 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A71007
Mass Air Flow Meter Crankshaft Position Sensor
Actual Valve TimingCorrection Target Valve Timing
Feedback
Duty Control ECM
Camshaft Timing
Oil Control
Valve (OCV)
Vehicle Speed Signal Engine Co

Page 4096 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A59779
C2
Camshaft Timing Oil
Control Valve1
2 ECM
W −G
OC1+
15
Y −B
OC1−
E11
16
E11
05 −42
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM1045E)
WIRING DIAGRAM
INSPECTION PROCE

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