TOYOTA AVENSIS 2005 Service Repair Manual

05C6Q±01
05±168
±
DIAGNOSTICS SFI SYSTEM(1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
SymptomSuspected AreaSee page
Engine does not crank (Does not start)1. Starter
2. Starter relay19±8
19±8
No initial combustion (Does not start)
1. ECM power source circuit
2. Fuel pump control circuit
3. ECM05±257
05±264 01±32
No complete combustion (Does not start)1. Fuel pump control circuit05±264
Engine cranks normally (Difficult to start)
1. Starter signal circuit
2. Fuel pump control circuit
3. Compression05±278
05±264
14±101
Cold engine (Difficult to start)1. Starter signal circuit
2. Fuel pump control circuit05±278
05±264
Hot engine (Difficult to start)1. Starter signal circuit
2. Fuel pump control circuit05±278
05±264
High engine idle speed (Poor idling)1. A/C signal circuit (Compressor circuit)
2. ECM power source circuit

05±257
Low engine idle speed (Poor idling)1. A/C signal circuit (Compressor circuit)
2. Fuel pump control circuit

05±264
Rough idling (Poor idling)1. Compression
2. Fuel pump control circuit14±101
05±264
Hunting (Poor idling)1. ECM power source circuit
2. Fuel pump control circuit05±257
05±264
Hesitation/Poor acceleration (Poor driveability)1. Fuel pump control circuit
2. A/T faulty05±264
05±879
Surging (Poor driveability)1. Fuel pump control circuit05±264
Engine stalls soon after starting1. Fuel pump control circuit05±264
Engine stalls during A/C operation1. A/C signal circuit (Compressor circuit)
2. ECM

01±32
Unable to refuel/Difficult to refuel1. ORVR system

05C6P±01
A66714
E13 E12 E10
E9
05±166
± DIAGNOSTICSSFI SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
TERMINALS OF ECM
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
BATT (E9 ± 3) ± E1 (E12 ± 7)B±Y ± BRAlways8 to 14
FC (E9 10) E1 (E12 7)GY BRIG switch ON8 to 14FC (E9 ± 10) ± E1 (E12 ± 7)G±Y ± BRIdlingBelow 1.5
W (E9 11) E1 (E12 7)WBRIdling8 to 14W (E9 ± 11) ± E1 (E12 ± 7)W ± BRIG switch ONBelow 3.5
+B (E9 ± 1) ± E1 (E12 ± 7)B±R ± BRIG switch ON8 to 14
STP (E10 19) E1 (E12 7)GW BRIG switch ON, brake pedal depressed8 to 14STP (E10 ± 19) ± E1 (E12 ± 7)G±W ± BRIG switch ON, brake pedal releasedBelow 1.5
F/PS (E9 ± 14) ± E1 (E12 ± 7)LG±B ± BRIG switch ONPulse generation
STA (E12 ± 9) ± E1 (E12 ± 7)B±Y ± BRCranking5.5 or more
HA1A (E12 ± 6) LWBIdlingBelow 3.0HA1A (E12 6)
± E04 (E12 ± 4) *1L ± W±BIG switch ON9 to 14
A1A+ (E12 ± 23)
± E1 (E12 ± 7) *1W ± BRIG switch ON3.0 to 3.6
A1A± (E12 ± 31)
± E1 (E12 ± 7) *1B ± BRIG switch ON2.7 to 3.3
HA2A (E12 ± 5) YWBIdlingBelow 3.0HA2A (E12 5)
± E05 (E12 ± 3) *1Y ± W±BIG switch ON9 to 14
A2A+ (E12 ± 22)
± E1 (E12 ± 7) *1G ± BRIG switch ON3.0 to 3.6
A2A± (E12 ± 30)
± E1 (E12 ± 7) *1L ± BRIG switch ON2.7 to 3.3
HT1B (E10 ± 4) LWBIdlingBelow 3.0HT1B (E10 4)
± E01 (E13 ± 7) *1L ± W±BIG switch ON9 to 14
OX1B (E12 ± 21)
± 01B (E13 ± 32) *1B ± BRIG switch ON0 to 1.0
O1B± (E13 ± 32)
± E1 (E12 ± 7) *1W ± BRIG switch ON0.4 to 1.1
HT2B (E10 ± 3) LR WBIdlingBelow 3.0HT2B (E10 3)
± E01 (E13 ± 7) *1L±R ± W±BIG switch ON9 to 14
OX2B (E12 ± 29)
± 01B (E13 ± 32) *1R ± BRIG switch ON0 to 1.0
O2B± (E13 ± 31)
± E1 (E12 ± 7) *1G ± BRIG switch ON0.4 to 1.1

±
DIAGNOSTICS SFI SYSTEM(1AZ±FE)
05±167
AVENSIS REPAIR MANUAL (RM1018E)
SPD (E10 ± 17) ± E1 (E12 ± 7)
V±W ±BRIG switch ON, rotate driving wheel slowlyPulse generation
(See page 05±240)
TACH (E9 ± 5) ± E1 (E12 ± 7)GR±R ±BRIdlingPulse generation
VC (E13 ± 18) ± E2 (E13 ± 28)R±W ±BRIG switch ON4.5 to 5.5
PRG (E13 ± 12) ± E01 (E13 ± 7)W±G ±W±BIG switch ON8 to 14
VG (E12 ± 24) ± EVG (E12 ± 32)G ±L±YIdling, A/C switch OFF1.1 to 1.5
THW (E13 ± 19) ± E2 (E13 ± 28)B±W ±BRIdling, Engine coolant temp. at 80
C (176
F)0.2 to 1.0
G2+ (E13 ± 26)
± NE± (E13 ± 34)W ±RIdlingPulse generation
(See page 05±229)
NE+ (E13 ± 27) ± NE± (E13 ± 34)G ±RIdlingPulse generation
(See page 05±226)
THA (E13 ± 20) ± E2 (E13 ± 28)G±R ±BRIdling, intake air temp. at 20
C (68
F)0.5 to 3.4
VTA1 (E13 ± 21) LWBRIG switch ON, throttle valve fully closed0.3 to 1.0VTA1 (E13 21)
± E2 (E13 ± 28)L±W ±BRIG switch ON, throttle valve fully open3.2 to 4.9
#1 (E13 ± 1) ± E01 (E13 ± 7)B±R ±W±B#1 (E13 1) E01 (E13 7)
#2 (E13 ± 2) ± E01 (E13 ± 7)
BR WB
Y ±W±BIGswitchON8to14()()
#3 (E13 ± 3) ± E01 (E13 ± 7)W ±W±BIG switch ON8 to 14()()
#4 (E13 ± 4) ± E01 (E13 ± 7)B ±W±B
IGT1 (E13 ± 8) ± E1 (E12 ± 7)R±W ±BRIGT1 (E13 8) E1 (E12 7)
IGT2 (E13 ± 9) ± E1 (E12 ± 7)
RW BR
P ±BRIdlingPulse generation()()
IGT3 (E13 ± 10) ± E1 (E12 ± 7)LG±B ±BRIdlingPulse generation
(See page 05±232)()()
IGT4 (E13 ± 11) ± E1 (E12 ± 7)L±Y ± BR
(g )
IG switch ON4.5 to 5.5
IGF (E13 ± 13) ± E1 (E12 ± 7)W±R ± BRIdlingPulse generation
(See page 05±232)
RSD (E12 ± 10) ± E1 (E12 ± 7)G±R ± W±BIG switch ON9 to 14
OC1+ (E13 ± 15) ± OC1± (E13 ± 14) *1W±G ± Y±BIG switch ONPulse generation
(See page 05±169)
KNK1 (E12 ± 1) ± EKNK (E12 ± 2)B ± WIdlingPulse generation
(See page 05±222)
ELS2 (E9 13) E1 (E12 7)GBRDefoger switch ON9 to 14ELS2 (E9 ± 13) ± E1 (E12 ± 7)G ± BRIG switch ONBelow 3.0
MREL (E9 ± 8) ± E1 (E12 ± 7)GR ± BRIG switch ON9 to 14
IGSW (E9 ± 9) ± E1 (E12 ± 7)B±W ± BRIG switch ON9 to 14
TC (E9 ± 20) ± E1 (E12 ± 7)W±L ± BRIG switch ON9 to 14
SIL (E9 ± 18) ± E1 (E12 ± 7)W±G ± BRConnect hand±held tester to DLC3Pulse generation
ELS (E9 12) E1 (E12 7)GBRTaillight ON9 to 14ELS (E9 ± 12) ± E1 (E12 ± 7)G ± BRIG switch ONBelow 3.0
VAF (E13 ± 32) ± E2 (E13 ± 28) *2P ± BRIG switch ON2.0 to 3.5
*1: For European spec. only
*2: Leaded only

05C6O±01
A76850
Combination Meter
Fuel Pump
DLC3
Circuit Opening Relay
Engine Room J/B No.1
Engine Room R/B No.1 Variable Resister (*1)
ECM
VSV (EVAP)
Mass Air Flow Meter
Engine Room J/B No.4
Engine Room R/B No.4
Idle Speed Control Valve
Canshaft Position Sensor
Engine Coolamt
Temperature SensorThrottle Body
Knock Sensor
Neutral Start Switch Injector Camshaft Oil Control Valve
Ignition Coli and Igniter
Crank Position Sensor
A/F Sensor
(Bank 1 Sensor 1)
Heated Oxygen Sensor
(Bank 1 Sensor 2) A/F Sensor
(Bank 2 Sensor 1)
Heated Oxygen Sensor
(Bank 2 Sensor 2)
*1: Leaded Only
± DIAGNOSTICSSFI SYSTEM (1AZ±FE)
05±165
AVENSIS REPAIR MANUAL (RM1018E)
LOCATION

05C6N±01
±
DIAGNOSTICS SFI SYSTEM(1AZ±FE)
05±161
AVENSIS REPAIR MANUAL (RM1018E)
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may not be exactly the same as your readings due to\
the type of instrument
or other factors.

If a malfunction code is displayed during the DTC check in the check mode, check the circuit f\
or the codes
listed in the table below. For details of each code, refer to the ''See page '' under the respective ''DTC No.''
in the DTC chart.



\f \b
 *1
CHK ENG 
P0010/39 *4 (05±169)Camshaft Position ºAº Actuator
Circuit (Bank 1)
Open or short in oil control valve (OCV) circuit

Oil control valve

ECM

P0011/59 *4
(05±174)Camshaft Position ºAº ±Timing
Over±Advanced or System Per-
formance (Bank 1)
Valve timing

Oil control valve (OCV)

Camshaft timing gear assy


P0012/59 *4
(05±174)Camshaft Position ºAº ±Timing
Over± Retarded (Bank 1)
Camshaft timing gear assy

ECM


P0016/18 *4
(05±181)Crankshaft Position ± Camshaft
Position Correlation (Bank 1
Sensor A)
Mechanical system (Timing chain has jumped a tooth, chain
stretched)

ECM


P0031/21
*2, *4
(05±182)Oxygen (A/F) Sensor Heater
Control Circuit Low (Bank 1 Sen-
sor 1)


P0032/21
*2, *4
(05±182)Oxygen (A/F) Sensor Heater
Control Circuit High (Bank 1
Sensor 1)

Open or short in heater circuit of A/F sensor

A/F sensor heater

P0051/28
*2, *4
(05±182)Oxygen (A/F) Sensor Heater
Control Circuit Low (Bank 2 Sen-
sor 1)
A/F sensor heater

A/F relay

ECM


P0052/28
*2, *4
(05±182)Oxygen (A/F) Sensor Heater
Control Circuit High (Bank 2
Sensor 1)


P0100/31
(05±186)Mass Air Flow Circuit
Ohti ifltiit

P0102/31(05±186)Mass or volume Air Flow Circuit
Low Input
Open or short in mass air flow meter circuit

Mass air flow meter

ECM

P0103/31
(05±186)Mass or volume Air Flow Circuit
High Input
ECM

P0110/24(05±194)Intake Air Temperature Circuit
O h ti itk it i it


P0112/24(05±194)Intake Air Temperature Circuit
Low Input
Open or short in intake air temp. sensor circuit

Intake air temp. sensor (built in mass air flow meter)

ECM


P0113/24
(05±194)Intake Air Temperature Circuit
High Input
ECM


P0115/22(05±199)Engine Coolant Temperature Cir-
cuit
Open or short in engine coolant temperature sensor circuit

P0117/22(05±199)Engine Coolant Temperature Cir-
cuit Low Input
Open or short in engine coolant temperature sensor circuit

Engine coolant temperature sensor

ECM

P0118/22
(05±199)Engine Coolant Temperature Cir-
cuit High Input
ECM

P0120/41 (05±204)Throttle/Pedal Position Sensor/
Switch ºAº Circuit
Throttle position sensor (built in throttle body)

ECM

P0122/41
(05±204)Throttle/Pedal Position Sensor/
Switch ºAº Circuit Low Input

Throttle position sensor (built in throttle body)

Short in VTA1 circuit

Open in VC circuit

ECM



05±162
±
DIAGNOSTICS SFI SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E) P0123/41
(05±204)
Throttle/Pedal Position Sensor/
Switch ºAº Circuit High Input

Throttle position sensor (built in throttle body)

Open in VTA1 circuit

open in E2 circuit

VC and VTA1 circuit are short±circuited

ECM


P0136/27 *4
(05±211)Oxygen Sensor Circuit Malfunc-
tion (Bank 1 Sensor 2)

Open or short in heated oxygen sensor circuit

Heated oxygen sensor

Heated oxygen sensor heater

EFI relay


P0141/27 *4
(05±218)Oxygen Sensor Heater Circuit
malfunction (Bank 1 Sensor 2)

Open or short in heater circuit of heated oxygen sensor

Heated oxygen sensor heater

EFI relay

ECM


P0156/29 *4
(05±211)Oxygen Sensor Circuit Malfunc-
tion (Bank 2 Sensor 2)

Open or short in heated oxygen sensor circuit

Heated oxygen sensor

Heated oxygen sensor heater

EFI relay


P0161/29 *4
(05±218)Oxygen Sensor Heater Circuit
(Bank 2 Sensor 2)

Open or short in heater circuit of heated oxygen sensor

Heated oxygen sensor heater

EFI relay

ECM


P0325/52
(05±222)Knock Sensor 1 Circuit (Bank 1
or Single Sensor)
Knock sensor 1

Knock sensor 1 (under±torqued or loose)

ECM

P0327/52
(05±222)Knock Sensor 1 Circuit Low
Input (Bank 1 or Single Sensor)
Short in knock sensor 1 circuit

Knock sensor 1

ECM

P0328/52
(05±222)Knock Sensor 1 Circuit High
Input (Bank 1 or Single Sensor)
Open in knock sensor 1 circuit

Knock sensor 1

ECM

P0335/12, 13
(05±226)Crankshaft Position Sensor ºAº
Circuit
Open or short in crankshaft position sensor circuit

Crankshaft position sensor
P0339/13
(05±226)Crankshaft Position Sensor ºAº
Circuit Intermittent
Crankshaft osition sensor

Signal plate (crankshaft)

ECM

P0340/12
(05±229)Camshaft Position Sensor ºAº
Circuit (Bank 1 or Single Sensor)
Open or short in camshaft position sensor circuit

Camshaft position sensor
P0341/12
(05±229)Camshaft Position Sensor ºAº
Circuit Range/Performance
(Bank 1 or Single Sensor)
Camshaft osition sensor

Camshaft timing pulley

Timing chain has jumped a tooth

ECM

P0351/14 *3
(05±232)Ignition Coil ºAº Primary/Sec-
ondary Circuit

Ignition system

P0352/15 *3(05±232)Ignition Coil ºBº Primary/Sec-
ondary Circuit
Ignition system

Open or short in IGF or IGT1 to 4 circuit from ignition coil with
igniter to ECM
P0353/14 *3
(05±232)Ignition Coil ºCº Primary/Sec-
ondary Circuit
igniter to ECM

No. 1 to No. 4 ignition coil with igniter

IG2 relay
P0354/15 *3
(05±232)Ignition Coil ºDº Primary/Sec-
ondary Circuit
ECM
P0500/42
(05±240)Vehicle Speed Sensor ºAº

Open or short in speed sensor circuit

Speed sensor

Combination meter

ECM

Skid control ECU

P0511/33
(05±243)Idle Air Control Circuit

Open or short in idle speed control (ISC) valve circuit

Idle speed control (ISC) valve is stuck or closed

A/C switch circuit

Air induction system

ECM

P0606/89
(05±247)ECM/PCM Processor
ECM

±
DIAGNOSTICS SFI SYSTEM (1AZ±FE)
05±163
AVENSIS REPAIR MANUAL (RM1018E)P0710/38
(05±882)
Transmission Fluid Temperature
Sensor ºAº Circuit
P0712/38(05±882)Transmission Fluid Temperature
Sensor ºAº Circuit Low Input
P0713/38(05±882)Transmission Fluid Temperature
Sensor ºAº Circuit High Input
P0717/37(05±884)Input/Turbine Speed Sensor ºAº
Circuit No Signal
P0748/62(05±886)Pressure Control Solenoid ºAº
Electrocal (Shift Solenoid Valve
SL1)

Electronic controlled automatic transmission (ECT)
P0778/63
(05±886)Pressure Control Solenoid ºBº
Electrocal (Shift Solenoid Valve
SL2)

P0793/67(05±892)Intermediate Shaft Speed Sen-
sor ºAº
P0982/65(05±886)Shift Solenoid ºDº Control Circuit
Low (Shift Solenoid Valve S4)
P0983/65(05±886)Shift Solenoid ºDº Control Circuit
High (Shift Solenoid Valve S4)
P2237/21 *2, *4
(05±248)Oxygen Sensor Pumping Cur-
rent Circuit/ Open (for A/F sen-
sor) (Bank 1 Sensor 1)


P2238/21
*2, *4
(05±248)Oxygen Sensor Pumping Cur-
rent Circuit Low (for A/F sensor)
(Bank 1 Sensor 1)


P2239/21
*2, *4
(05±248)Oxygen Sensor Pumping Cur-
rent Circuit High (for A/F sensor)
(Bank 1 Sensor 1)


P2240/28
*2, *4
(05±248)Oxygen Sensor Pumping Cur-
rent Circuit/ Open (for A/F sen-
sor) (Bank 2 Sensor 1)


P2241/28
*2, *4
(05±248)Oxygen Sensor Pumping Cur-
rent Circuit Low (for A/F sensor)
(Bank 2 Sensor 1)


P2242/28
*2, *4
(05±248)Oxygen Sensor Pumping Cur-
rent Circuit High (for A/F sensor)
(Bank 2 Sensor 1)
Open or short in A/F sensor circuit

A/F sensor

A/F sensor heater

P2251/21
*2, *4
(05±248)Oxygen Sensor Reference
Ground Circuit/ Open (for A/F
senor) (Bank 1 Sensor 1)
A/F sensor heater

A/F sensor heater relay

A/F sensor heater and relay circuit

ECM


P2252/21
*2, *4
(05±248)Oxygen Sensor Reference
Ground Circuit Low (for A/F se-
nor) (Bank 1 Sensor 1)


P2253/21
*2, *4
(05±248)Oxygen Sensor Reference
Ground Circuit High (for A/F se-
nor) (Bank 1 Sensor 1)


P2254/28
*2, *4
(05±248)Oxygen Sensor Reference
Ground Circuit/ Open (for A/F
senor) (Bank 2 Sensor 1)


P2255/28
*2, *4
(05±248)Oxygen Sensor Reference
Ground Circuit Low (for A/F se-
nor) (Bank 2 Sensor 1)


P2256/28
*2, *4
(05±248)Oxygen Sensor Reference
Ground Circuit High (for A/F se-
nor) (Bank 2 Sensor 1)



05±164
±
DIAGNOSTICS SFI SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E) P2716/77
(05±894)
Pressure Control Solenoid ºDº
Electrical

P2769/64(05±897)DSL Solenoid Circuit Low
(Shift Solenoid Valve DSL)
Electronic controlled automatic transmission (ECT)

P2770/64
(05±897)DSL Solenoid Circuit High
(Shift Solenoid Valve DSL)

B2799/99
(05±1625)Engine Immobilizer System Mal-
function
Immobilizer system

*1:  ... CHK ENG is illuminated.
... CHK ENG is not illuminated.
*2: This DTC is related to A/F sensor, although the caption is heated oxygen sensor.
*3: This DTC indicate a malfunction related to primary circuit.
*4: For European spec. only

05C6L±01
ENGINE CONTROL SYSTEM Check Sheet
Customer's Name
Driver's Name
Date Vehicle
Brought in
License No.
VIN
Production Date
Licence No.
Odometer Reading
km
miles
Problem Symptoms
Engine does
not Start
Difficult to
Start
Poor Idling
Poor
Driveability
Engine Stall
Others
Engine does not crankNo initial combustionNo complete combustion
Engine cranks slowly
Other
Incorrect first idleIdling rpm is abnormalHigh ( rpm)Low ( rpm)
Rough idling
Other
HesitationBack fireMuffler explosion (after±fire)Surging
Knocking
Other
Soon after startingAfter accelerator pedal depressed
After accelerator pedal released
During A/C operation
Shifting from N to D
Other
Data Problem
Occurred
Problem Frequency
Condition When
Problem Occurs
Weather
Engine Operation
Engine Temp. Place Outdoor
TemperatureConstant
Sometimes ( times per day/month)Once only
Other
Fine
CloudyRainySnowyVarious/Other
Hot
Warm Cool
HighwaySuburbsInner CityUphillDownhill
Rough road
Other
Cold
Warming upAfter Warming upAny temp.Other
Starting
Just after starting ( min.)IdlingRacing
Driving
Constant speedAccelerationDeceleration
A/C switch ON/OFF
Other
Condition of check engine warning light
(CHK ENG)Remains on Sometimes lights up Does not light up
Normal Malfunction code(s) (code )
Freeze frame data ( )
Normal Malfunction code(s) (code )
Freeze frame data ( )
Normal mode
(Pre±check)
Check Mode DTC InspectionInspector's
Name
Cold (approx.
C/
F)
05±148
± DIAGNOSTICSSFI SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
CUSTOMER PROBLEM ANALYSIS CHECK

05C7H±01
±
DIAGNOSTICS SFI SYSTEM(1AZ±FE)
05±143
AVENSIS REPAIR MANUAL (RM1018E)
SFI SYSTEM(1AZ±FE)
HOW TO PROCEED WITH TROUBLESHOOTING
When using hand±held tester, troubleshoot in accordance with the procedure
shown below.
1VEHICLE BROUGHT TO WORKSHOP
2CUSTOMER PROBLEM ANALYSIS (See page 05±148)
3CONNECT THE HAND±HELD TESTER TO DLC3
HINT:
If the display indicates a communication fault in the tool, inspect DLC3.
4CHECK DTC AND FREEZE FRAME DATA(See page 05±149)
HINT:
Record or print DTC and freeze frame data, if needed.
5CLEAR DTC AND FREEZE FRAME DATA (See page 05±149)
6VISUAL INSPECTION
7SETTING THE CHECK (TEST) MODE DIAGNOSIS (See page 05±149)
8 PROBLEM SYMPTOM CONFIRMATION
HINT:
If the engine does not start, perform steps 10 and 12 first.
AMalfunction does not occur
BMalfunction occurs
B GO TO STEP 10
A