TOYOTA AVENSIS 2005 Service Repair Manual

A71007
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 Coolant Temp. SensorThrottle Position Sensor
Camshaft Position Sensor
05±322
± DIAGNOSTICSSFI SYSTEM (1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
DTC P0010 CAMSHAFT POSITION ºAº ACTUATOR
CIRCUIT (BANK 1)
HINT:
This is the procedure of oil control valve (OCV).
CIRCUIT DESCRIPTION
The VVT system controls the intake camshaft to provide the optimal valve timing for every driving condition. This control
is performed based on the signals, such conditions as intake air volume, throttle position and engine coolant tempera-
ture.
The ECM controls the oil control valve (OCV), based on the signals output from the sensors. The VVT controller regu-
lates the intake camshaft angle using oil pressure through the OCV. As result, the relative position between the camshaft
and the crankshaft becomes optimal, and the engine torque improves, fuel economy improves, exhaust emissions de-
crease under overall driving conditions. Also, the ECM detects the actual valve timing using the signals from the cam-
shaft position sensor and the crankshaft position sensor, and performs feedback control. This is how target valve timing
is achieved by the ECM.
DTC No.DTC Detection ConditionTrouble Area
P0010Open or short in OCV circuit

Open or short in OCV circuit

OCV

ECM
05CDY±01

A59779
C2
Camshaft Timing Oil
Control Valve1
2 ECM
W±G OC1+
15
Y±B OC1±
E11
16
E11
±
DIAGNOSTICS SFI SYSTEM(1AZ±FSE)
05±323
AVENSIS REPAIR MANUAL (RM1018E)
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
Read freeze frame data using the hand±held tester. Freeze frame data records the engine conditions when
a malfunction is detected. When troubleshooting, it is useful for determi\
ning whether the vehicle was running
or stopped, the engine was warmed up or not, the air±fuel ratio was lea\
n or rich, etc. at the time of the mal-
function.
1PERFORM ACTIVE TEST BY HAND±HELD TESTER(OPERATE OCV)
(a)Connect the hand±held tester to the DLC3.
(b)Start the engine and warm it up.
(c)Turn the ignition switch ON and push the hand±held tester main switch \
ON.
(d)Select the item ºDIAGNOSIS / OBD/MOBD / ACTIVE TEST / VVT CTRL B1º\
.
(e)Check the engine speed when operating the OCV by the hand±held tester.
Standard:
Tester operationSpecified condition
OCV is OFFNormal engine speed
OCV is ONRough idle or engine stall
OKCHECK FOR INTERMITTENT PROBLEMS
NG
2INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSY(OCV) (See page 10±39)
NG REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSY
OK

A67528
OCV Signal Waveform1 msec./Division 5 V/
Division
GND
(A)(A) (A)
E11
OC1 +OC1±
A54386
Wire Harness Side
C2
OCV Connector
A81698ECM Connector E11
OC1+
OC1±
05±324
±
DIAGNOSTICS SFI SYSTEM(1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
3INSPECT ECM(OCV SIGNAL)
(a)Inspection using the oscilloscope.
(b)During idling, check the waveform between the terminals of the E11 ECM connector.
Standard:
Symbols (Terminal No.)Specified condition
OC1+ (E11±16) ± OC1± (E11±15)Correct waveform is as shown
HINT:
The waveform frequency (A) is lengthened as the engine speed
becomes higher.
NGCHECK AND REPLACE ECM (See page 01±32)
OK
4 CHECK HARNESS AND CONNECTOR(ECM ± OCV)
(a) Disconnect the C2 OCV connector.
(b) Disconnect the E11 ECM connector.
(c) Check for continuity between the wire harness side con- nectors.
Standard (Check for open):
Symbols (Terminal No.)Specified condition
OCV (C2±1) ± OC1+ (E11±16)ContinuityOCV (C2±2) ± OC1± (E11±15)Continuity
Standard (Check for short):
Symbols (Terminal No.)Specified condition
OCV (C2±1) or OC1+ (E11±16) ± Body groundNo continuityOCV (C2±2) or OC1± (E11±15) ± Body groundNo continuity
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
CHECK FOR INTERMITTENT PROBLEMS

05CDX±01
05±320
±
DIAGNOSTICS SFI SYSTEM(1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
When the malfunction is not confirmed in the DTC check and the problem still\
can not be confirmed in the
basic inspection either, proceed to this problem symptoms table and troubleshoot according to the number
given below.
SymptomSuspected AreaSee page
Engine does not crank (Does not start)
2. Starter
3. Starter relay
4. Park/neutral position switch19±10
19±10 40±8
No initial combustion (Does not start)
1. ECM power source circuit
2. Ignition coil assy
3. Fuel pump control circuit
4. Injector circuit05±502
05±439
05±507
05±415
No complete combustion (Does not start)
1. Ignition coil assy
2. Fuel pump control circuit
3. Injector circuit05±439
05±507
05±415
Engine cranks normally (Difficult to start)
1. Starter signal circuit
2. Ignition coil assy
3. Spark plug
4. Compression
5. Injector circuit
6. Fuel pump control circuit05±513
05±43918±14
14±181
05±415
05±507
Cold engine (Difficult to start)
1. Starter signal circuit
2. Injector circuit
3. Ignition coil assy
4. Spark plug
5. Fuel pump control circuit05±513
05±415
05±439 18±14
05±507
Hot engine (Difficult to start)
1. Starter signal circuit
2. Injector circuit
3. Ignition coil assy
4. Spark plug
5. Fuel pump control circuit05±513
05±415
05±439
18±14
05±507
High engine idle speed (Poor idling)
1. ECM power source circuit
2. Park/neutral position switch
3. Back up power source circuit05±502
40±8
05±467
Low engine idle speed (Poor idling)
1. Park/neutral position switch
2. Injector circuit
3. Back up power source circuit
4. Fuel pump control circuit40±8
05±415
05±467
05±507
Rough idling (Poor idling)
1. Mass air flow meter circuit
2. Vacuum sensor circuit
3. Injector circuit
4. Fuel pump control circuit
5. Ignition coil assy
6. Compression
7. Back up power source circuit05±336
05±342
05±415
05±507
05±439
14±181
05±467
Hunting (Poor idling)
1. Mass air flow meter circuit
2. Vacuum sensor circuit
3. ECM power source circuit05±336
05±342
05±502
Hesitation/Poor acceleration (Poor driveability)
1. Mass air flow meter circuit
2. Vacuum sensor circuit
3. Injector circuit
4. Ignition coil assy
5. Fuel pump control circuit05±336
05±342
05±415
05±439
05±507
Muffler explosion after fire (Poor driveability)
1. Ignition coil assy
2. Spark plug
3. Injector circuit05±439 18±14
05±415

±
DIAGNOSTICS SFI SYSTEM(1AZ±FSE)
05±321
AVENSIS REPAIR MANUAL (RM1018E) Symptom
See page
Suspected Area
Surging (Poor driveability)1. Spark plug
2. Injector circuit18±14
05±415
Engine stall (Soon after starting)1. Mass air flow meter circuit
2. Vacuum sensor circuit05±336
05±342
Engine stall (After accelerator pedal depressed)1. Mass air flow meter circuit
2. Vacuum sensor circuit05±336
05±342
Engine stall (After accelerator pedal released)
1. Mass air flow meter circuit
2. Vacuum sensor circuit
3. ECM05±336
05±342 01±32
Engine stall (During A/C operation)1. A/C signal circuit (Compressor circuit)
2. ECM05±1100 01±32
Engine stall (When shifting N to D)1. Park/neutral position switch40±8

05CDW±01
A53766
E13E12E11E10E9
05±318
±
DIAGNOSTICS SFI SYSTEM (1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
TERMINALS OF ECM
Symbols (Terminal No.)Wiring ColorConditionSTD Voltage (V)
BATT (E9±3) ± E1 (E11±1)B±Y ± BRAlways9 to 14
+BM (E10±6) ± E1 (E11±1)G±Y ± BRAlways9 to 14
IGSW (E9±9) ± E1 (E11±1)B±W ± BRIG switch ON9 to 14
+B (E9±1) ± E1 (E11±1)B±R ± BRIG switch ON9 to 14
+B2 (E9±2) ± E1 (E11±1)B±R ± BRIG switch ON9 to 14
MREL (E9±8) ± E1 (E11±1)GR ± BRIG switch ON9 to 14
IREL (E10±35) ± E1 (E11±1)V ± BRIG switch ON9 to 14
VC (E13±18) ± E2 (E13±28)R±W ± BRIG switch ON4.5 to 5.5
VTA1 (E13 21) E2 (E13 28)LW BRIG switch ON, Accelerator pedal fully released0.4 to 1.0VTA1 (E13±21) ± E2 (E13±28)L±W ± BRIG switch ON, Accelerator pedal fully depressed3.2 to 4.8
VTA2 (E13 31) E2 (E13 28)BR BRIG switch ON, Accelerator pedal fully released2.1 to 3.1VTA2 (E13±31) ± E2 (E13±28)B±R ± BRIG switch ON, Accelerator pedal fully depressed4.5 to 5.5
VPA (E9 22) EPA (E9 28)GYIG switch ON, Accelerator pedal fully released0.5 to 1.1VPA (E9±22) ± EPA (E9±28)G ± YIG switch ON, Accelerator pedal fully depressed2.5 to 4.6
VPA2 (E9 23) EPA2 (E9 29)WYIG switch ON, Accelerator pedal fully released1.5 to 2.9VPA2 (E9±23) ± EPA2 (E9±29)W ± YIG switch ON, Accelerator pedal fully depressed3.5 to 5.5
VCPA (E9±26) ± EPA (E9±28)B ± YIG switch ON4.5 to 5.5
VCP2 (E9±27) ± EPA2 (E9±29)B ± YIG switch ON4.5 to 5.5
VG (E13±30) ± EVG (E13±29)L±Y ± GIdling, P or N position, A/C switch OFF0.5 to 3.0
THA (E13±20) ± E2 (E13±28)GR ± BRIdling, Intake air temperature 20 C (68 F)0.5 to 3.4
THW (E13±19) ± E2 (E13±28)B±W ± BRIdling, Coolant temperature 80   \b0.2 to 1.0
#1 (E13±1) ± E01 (E13±7)
#2 (E13 2) E01 (E13 7)
G±W ± W±B
WR WBIG switch ON9 to 14#2 (E13±2) ± E01 (E13±7)
#3 (E13±3) ± E01 (E13±7)
#4 (E13±4) ± E01 (E13±7)W±R ± W±B
R±W ± W±B
W±L ± W±B
IdlingPulse generation
(See page 05±415)
IJF1 (E13±25) ± E01 (E13±7)R±B ± W±BIdlingPulse generation
(See page 05±415)
IGT1 (E13±8) ± E1 (E11±1)
IGT2 (E13±9) ± E1 (E11±1)
IGT3 (E13±10) ± E1 (E11±1)
IGT4 (E13±11) ± E1 (E11±1)R±W ± BR P ± BR
LG±B ± BR
L±Y ± BR
IdlingPulse generation
(See page 05±439)
IG switch ON4.5 to 5.5
IGF1 (E13±24) ± E1 (E11±1)W±R ± BRIdlingPulse generation
(See page 05±439)
G2+ (E11±27) ± NE± (E11±24)W ± RIdlingPulse generation
(See page 05±436)
NE+ (E11±25) ± NE± (E11±24)G ± RIdlingPulse generation
(See page 05±433)
FC (E9±10) ± E1 (E11±1)G±Y ± BRIG switch ON9 to 14
M+ (E11±3) ± E01 (E13±7)
M± (E11±2) ± E01 (E13±7)B ± W±B
W ± W±BIdlingPulse generation

±
DIAGNOSTICS SFI SYSTEM(1AZ±FSE)
05±319
AVENSIS REPAIR MANUAL (RM1018E)Symbols (Terminal No.)
STD Voltage (V)
Condition
Wiring Color
OX1A (E12±22) ± E2 (E13±28)B ±BR
OX1B (E12±21)
± O1B± (E11±26)B ±WMaintain engine speed at 2,500 rpm for 2 minutes after warmingPulse generation
OX2A (E12±23) ± E2 (E13±28)R ±BR
Maintain engine seed at 2,500 rm for 2 minutes after warming
up
Pulse generation
(See page 05±363)
OX2B (E12±29)
± O2B± (E11±31)R ± G
(g )
HT1A (E12±5) ± E03 (E11±7)
HT1B (E12±25) ± E03 (E11±7)Y ± W±B
P ± W±BIdlingBelow 3.0()()
HT2A (E12±4) ± E03 (E11±7)
HT2B (E12±33) ± E03 (E11±7)L ± W±B
L±B
±W±BIG switch ON9 to 14
KNK1 (E12±1) ± EKNK (E12±2)B ± WMaintain engine speed at 4,000 rpm after warming upPulse generation
(See page 05±429)
OC1+ (E11±16) ± OC1± (E11±15)W±G ± Y±BIG switch ONPulse generation
(See page 05±322)
EVP1 (E13±34) ± E01 (E13±7)W±G ± W±BIG switch ON9 to 14
SCV (E13±5) ± E1 (E11±1)L±B ± BRIG switch ON9 to 14
PIM (E13 33) E2 (E13 28)GW BRIG switch ON3.3 to 3.9PIM (E13±33) ± E2 (E13±28)G±W ± BRApply vacuum 26.7 kPa (200 mmHg, 7.9 in.Hg)2.6 to 3.0
PB (E13 26) E2 (E13 28)YBRIG switch ON3.3 to 3.9PB (E13±26) ± E2 (E13±28)Y ± BRApply vacuum 26.7 kPa (200 mmHg, 7.9 in.Hg)2.6 to 3.0
PR (E13±23) ± E2 (E13±28)Y±G ± BRIdling2.1 to 3.2
FP+ (E12±6) ± E1 (E11±1)R ± BRIdlingPulse generation FP+ (E12 6) E1 (E11 1)
FP± (E12±3) ± E1 (E11±1)
R BR
G ± BRIdlingPulse generation
(See page 05±477)
STA (E13±17) ± E1 (E11±1)B±Y ± BRShift position in neutral, IG switch START6.0 or more
STP (E10 19) E1 (E11 1)GW BRBrake pedal is depressed9 to 14STP (E10±19) ± E1 (E11±1)G±W ± BRBrake pedal is releasedBelow 1.5
ST1 (E10 12) E1 (E11 1)GW BRIG switch ON, Brake pedal is depressedBelow 1.5ST1± (E10±12) ± E1 (E11±1)G±W ± BRIG switch ON, Brake pedal is released7.5 to 14
W (E9 11) E01 (E13 7)WWBIdling9 to 14W (E9±11) ± E01 (E13±7)W ± W±BIG switch ONBelow 3.0
ELS (E9 12) E1 (E11 1)GBRTaillight switch ON, Defogger switch ON7.5 to 14ELS (E9±12) ± E1 (E11±1)G ± BRTaillight switch OFF, Defogger switch OFF0 to 1.5
TACH (E9±5) ± E1 (E11±1)GR±R ± BRIdlingPulse generation
SPD (E10±17) ± E01 (E13±7)V±W ± W±BIG switch ON4.5 to 5.5
TC (E9±20) ± E1 (E11±1)W±L ± BRIG switch ON9 to 14
SIL (E9±18) ± E1 (E11±1)W±G ± BRDuring charge of gearsPulse generation
PSW (E11±10) ± E1 (E11±1)G ± BRWhile turning the steering wheelBelow 1.5
F/PS (E9±14) ± E1 (E11±1)LG±B ± BRIG switch ONBelow 1.5

A76903
NE+ G2+
NE±ECM ConnectorE11
A59781
± DIAGNOSTICSSFI SYSTEM (1AZ±FSE)
05±433
AVENSIS REPAIR MANUAL (RM1018E)
DTC P0335 CRANKSHAFT POSITION SENSOR ºAº
CIRCUIT
DTC P0339 CRANKSHAFT POSITION SENSOR ºAº
CIRCUIT INTERMITTENT
CIRCUIT DESCRIPTION
The crankshaft position sensor (NE signal) consists of a magnet, iron core and pick up coil.
The NE signal plate (crankshaft position sensor plate No. 1) has 34 teeth and is installed on the crankshaft.
The NE signal sensor generates 34 signals at every engine revolution. The ECM detects the crankshaft
angle and the engine revolution based on the NE signal, and the cylinder and the angle of the VVT based
on the combination of the G2 and NE signal.
DTC No.DTC Detection ConditionTrouble Area
P0335
No crankshaft position sensor (NE) signal to ECM during
cranking for 3 sec. or more (2 trip detection logic).
P0335No crankshaft position sensor (NE) signal to ECM with engine
speed 600 rpm or more (2 trip detection logic).
Open or short in crankshaft position sensor circuit
P0339
In condition (a), (b) and (c), when no crankshaft position sen-
sor (NE) signal is input for 0.05 sec. or more
(1 trip detection logic):
(a) Engine revolution 1,000 rpm or more
(b) STA signal is OFF
(c) 3 sec. or more has been lapsed after STA signal is switched
from ON to OFF.
Open or short in crankshaft position sensor circuit

Crankshaft position sensor

Signal plate (crankshaft position sensor plate No. 1)

ECM
Reference: Inspection using the oscilloscope.
(1) During cranking or idling, check the waveform be-
tween the terminals of the ECM connector.
ItemDetails
TerminalCH1: G2+ ± NE±
CH2: NE+ ± NE±
Equipment Setting5 V/Division, 20 ms/Division
ConditionDuring Cranking or idling
HINT:
The correct waveforms are as shown in the left.
05CKJ±01

A76874
C1
Camshaft Position Sensor
C6
Crankshaft Position SensorR W
2 1
EE BR
G J12
J/CE1127ECM
G2+
NE+
NE± (Shielded)
R
BRE11
E1125
24
2 1
(Shielded)E E
E
R R
Crankshaft
Position
Sensor
Plate No. 1Camshaft
Timing
Pulley LH
A64984Crankshaft Position Sensor Component Side
C6
05±434
± DIAGNOSTICSSFI SYSTEM (1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:

Perform troubleshooting of DTC P0335 first. If no trouble is found, troubleshoot the engine mechanical
system.

Read freeze frame data using the hand±held tester. Freeze frame data records the engine conditions
when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle
was running or stopped, the engine was warmed up or not, the air±fuel ratio was lean or rich, etc. at
the time of the malfunction.
1 INSPECT CRANKSHAFT POSITION SENSOR(RESISTANCE)
(a) Disconnect the C6 crankshaft position sensor connector.
(b) Measure the resistance between the terminals of the
crankshaft position sensor.
Resistance:
985 to 1,600 at cold
1,265 to 1,890 at hot
NOTICE:
ºColdº and ºHotº shown above mean the temperature of
the coils themselves. ºColdº is from ±10C (14F) to 50C
(122F) and ºHotº is from 50C (122F) to 100C (212F).
NG REPLACE CRANKSHAFT POSITION SENSOR
OK


NE+NE±
A52871
Crankshaft Position Sensor Connector
Wire Harness Side
C6
A81698
NE+ NE±
ECM Connector E11
±
DIAGNOSTICS SFI SYSTEM(1AZ±FSE)
05±435
AVENSIS REPAIR MANUAL (RM1018E)
2CHECK HARNESS AND CONNECTOR(ECM ± CRANKSHAFT POSITION SENSOR)
(a)Disconnect the C6 crankshaft position sensor connector.
(b)Disconnect the E11 ECM connector.
(c)Check for continuity between the wire harness side con-
nectors.
Standard (Check for open):
Symbols (Terminal No.)Specified condition
Crankshaft position sensor (C6±1) ± NE+ (E11±25)ContinuityCrankshaft position sensor (C6±2) ± NE± (E11±24)Continuity
Standard (Check for short):
Symbols (Terminal No.)Specified condition
Crankshaft position sensor (C6±1)or NE+ (E11±25)
± Body ground
NocontinuityCrankshaft position sensor (C6±2)or NE± (E11±24) ± Body groundNo continuity
NGREPAIR OR REPLACE HARNESS ORCONNECTOR
OK
3CHECK SENSOR INSTALLATION(CRANKSHAFT POSITION SENSOR)
(a)Check the crankshaft position sensor installation. NGTIGHTEN SENSOR
OK
4INSPECT CRANKSHAFT POSITION SENSOR PLATE NO.1(TEETH OF SIGNAL PLATE)
(a)Remove the crankshaft position sensor plate No. 1 (See page 14±222).
(b)Check the teeth of the signal plate.
NGREPLACE CRANKSHAFT POSITION SENSORPLATE NO.1
OK
CHECK AND REPLACE ECM (See page 01±32)