TOYOTA AVENSIS 2005 Service Repair Manual
Manufacturer: TOYOTA, Model Year: 2005, Model line: AVENSIS, Model: TOYOTA AVENSIS 2005Pages: 5135, PDF Size: 95.28 MB
Page 4101 of 5135
05−34
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
DTC No.
(See Page) Memory
*
1
CHK ENG
Trouble Area
Detection Item
P0 156 *3
(05 −1 09)
Oxygen Sensor Circuit Malfunc-
tion (Bank 2 Sensor 2) *8
SOpen or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 2 Sensor 2) *8
SHeated oxygen sensor heater (Bank 2 Sensor 2) *8
SEFI relay
ff
P0 171 *3
(05 −11 5)System too Lean (Bank 1)*7
SAir induction system
S Injector blockage
S Mass air flow meter
S Manifold absolute pressure sensor
S Engine coolant temperature sensor
S Fuel pressure
S Gas leakage in exhaust system
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 1Sensor 1)*
7
SHeated oxygen sensor heater (Bank 1Sensor 1)*7
SEFI relay
S PCV valve and hose
S PCV hose connection
S ECM
ff
P0 172 *3
(05 −11 5)System too Rich (Bank 1)*7
SInjector leakage or blockage
S Mass air flow meter
S Manifold absolute pressure sensor
S Engine coolant temperature sensor
S Ignition system
S Fuel pressure
S Gas leakage in exhaust system
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 1Sensor 1)*
7
SECM
ff
P0 174 *3
(05 −11 5)System too Lean (Bank2) *8
SAir induction system
S Injector blockage
S Mass air flow meter
S Manifold absolute pressure sensor
S Engine coolant temperature sensor
S Fuel pressure
S Gas leakage in exhaust system
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 2 Sensor 1)*
8
SHeated oxygen sensor heater (Bank 2 Sensor 1)*8
SEFI relay
S PCV valve and hose
S PCV hose connection
S ECM
ff
P0 175 *3
(05 −11 5)System too Rich (Bank2) *8
SInjector leakage or blockage
S Mass air flow meter
S Manifold absolute pressure sensor
S Engine coolant temperature sensor
S Ignition system
S Fuel pressure
S Gas leakage in exhaust system
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 2 Sensor 1)*
8
SECM
ff
P0 190
(05 −1 27)Fuel Rail Pressure Sensor Cir-
cuitSOpen or short in fuel pressure sensor circuit
S Fuel pressure sensor
S ECM
ff
Page 4102 of 5135
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
05 −35
AVENSIS Supplement (RM 1045E)
DTC No.
(See Page) Memory
*
1
CHK ENG
Trouble Area
Detection Item
P0 191
(05 −1 31)Fuel Rail Pressure Sensor Cir-
cuit Range/Performance
S Open or short in high −pressure fuel pump (spill valve) circuit
S High −pressure fuel pump
S Low −pressure fuel pump
S Fuel pipe
S Fuel relief valve
S Fuel pressure regulator
S ECM
ff
P0200
(05 −1 36)Injector Circuit/Open
SOpen or short in EDU circuit
S EDU (Injector driver)
S Fuel injector assy
S ECM
ff
P020 1
(05 −1 36)Injector Circuit/Open −
(Cylinder 1)
SOpen or short in EDU circuit
S EDU (Injector driver)
S Fuel injector assy
S ECM
ff
P0202
(05 −1 36)Injector Circuit/Open −
(Cylinder 2)
S Open or short in EDU circuit
S EDU (Injector driver)
S Fuel injector assy
S ECM
ff
P0203
(05 −1 36)Injector Circuit/Open −
(Cylinder 3)
S Open or short in EDU circuit
S EDU (Injector driver)
S Fuel injector assy
S ECM
ff
P0204
(05 −1 36)Injector Circuit/Open −
(Cylinder 4)
S Open or short in EDU circuit
S EDU (Injector driver)
S Fuel injector assy
S ECM
ff
P0220
(05 −75)Throttle/Pedal Position Sensor/
Switch ”B” CircuitSThrottle position sensor (built in throttle body)
S ECMff
P0222
(05 −75)Throttle/Pedal Position Sensor/
Switch ”B” Circuit Low Input
SThrottle position sensor (built in throttle body)
S Short in VTA2 circuit
S Open in VC circuit
S ECM
ff
P0223
(05 −75)Throttle/Pedal Position Sensor/
Switch ”B” Circuit High Input
SThrottle position sensor (built in throttle body)
S Open in VTA2 circuit
S Open in E2 circuit
S VC and VTA2 circuit are short −circuited
S ECM
ff
P0230
(05 −1 41)Fuel Pump Primary Circuit
S Open or short in fuel pump relay circuit
S Fuel pump relay
S ECM
f
P0300 *3
(05 −1 46)
Random/Multiple Cylinder Misfire
Detected
SOpen or short in engine wire harness
S Connector connection
S Vacuum hose connection
S Ignition system
S Injector
S Fuel pressure
S Mass air flow meter
S Engine coolant temperature sensor
S Compression pressure
S Valve clearance
S Valve timing
S PCV hose connection
S PCV hose
S ECM
f*2f
P030 1*3
(05 −1 46)Cylinder 1Misfire DetectedSSame as DTC P0300f*2f
Page 4103 of 5135
05−36
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
DTC No.
(See Page) Memory
*
1
CHK ENG
Trouble Area
Detection Item
P0302 *3
(05 −1 46)Cylinder 2 Misfire DetectedSSame as DTC P0300f*2f
P0303 *3
(05 −1 46)Cylinder 3 Misfire DetectedSSame as DTC P0300f*2f
P0304 *3
(05 −1 46)Cylinder 4 Misfire DetectedSSame as DTC P0300f*2f
P0325
(05 −1 56)Knock Sensor 1Circuit (Bank 1
or Single Sensor)S Knock sensor
S Knock sensor (under −torqued or loose)
S ECM
ff
P0327
(05 −1 56)Knock Sensor 1Circuit Low In-
put (Bank 1or Single Sensor)SShort in knock sensor circuit
S Knock sensor
S ECM
ff
P0328
(05 −1 56)Knock Sensor 1Circuit High In-
put (Bank 1or Single Sensor)SOpen in knock sensor circuit
S Knock sensor
S ECM
ff
P0335
(05 −1 60)Crankshaft Position Sensor ”A”
Circuit
SOpen or short in crankshaft position sensor circuit
S Crankshaft position sensor
S Signal plate (crankshaft position sensor plate No. 1)
S ECM
ff
P0339
(05 −1 60)Crankshaft Position Sensor ”A”
Circuit Intermittent
SOpen or short in crankshaft position sensor circuit
S Crankshaft position sensor
S Signal plate (crankshaft position sensor plate No. 1)
S ECM
f
P0340
(05 −1 64)Camshaft Position Sensor ”A”
Circuit (Bank 1or Single Sensor)
SOpen or short in camshaft position sensor circuit
S Camshaft position sensor
S Camshaft timing gear
S Jumped tooth of timing chain
S ECM
ff
P034 1
(05 −1 64)Camshaft Position Sensor ”A”
Circuit Range/Performance
(Bank 1or Single Sensor)
SOpen or short in camshaft position sensor circuit
S Camshaft position sensor
S Camshaft timing gear
S Jumped tooth of timing chain
S ECM
ff
P035 1
(05 −1 67)Ignition Coil ”A” Primary/Sec-
ondary Circuit
SIgnition system
S Open or short in IGF and IGT circuits between ignition coil with
igniter and ECM (ignition coil circuit 1)
S Ignition coil with igniter (ignition coil 1)
S IG2 relay
S ECM
ff
P0352
(05 −1 67)Ignition Coil ”B” Primary/Sec-
ondary Circuit
SIgnition system
S Open or short in IGF and IGT circuits between ignition coil with
igniter and ECM (ignition coil circuit 2)
S Ignition coil with igniter (ignition coil 2)
S IG2 relay
S ECM
ff
P0353
(05 −1 67)Ignition Coil ”C” Primary/Sec-
ondary Circuit
SIgnition system
S Open or short in IGF and IGT circuits between ignition coil with
igniter and ECM (ignition coil circuit 3)
S Ignition coil with igniter (ignition coil 3)
S IG2 relay
S ECM
ff
P0354
(05 −1 67)Ignition Coil ”D” Primary/Sec-
ondary Circuit
SIgnition system
S Open or short in IGF and IGT circuits between ignition coil with
igniter and ECM (ignition coil circuit 4)
S Ignition coil with igniter (ignition coil 4)
S IG2 relay
S ECM
ff
Page 4104 of 5135
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
05 −37
AVENSIS Supplement (RM 1045E)
DTC No.
(See Page) Memory
*
1
CHK ENG
Trouble Area
Detection Item
P0420 *3
(05 −1 74)
Catalyst System Efficiency Be-
low Threshold (Bank 1)SGas leakage in exhaust system
S Heated oxygen sensor
S Three −way catalytic converter (inside exhaust manifold)
ff
P0430 *3
(05 −1 74)
Catalyst System Efficiency Be-
low Threshold (Bank 2)SGas leakage in exhaust system
S Heated oxygen sensor
S Three −way catalytic converter (inside exhaust manifold)
ff
P0443
(05 −1 79)Evaporative Emission Control
System Purge Control Valve Cir-
cuitSOpen of short in VSV circuit for EVAP
S VSV for EVAP
S ECM
ff
P0500
(05 −1 83)Vehicle Speed Sensor ”A”
SCombination meter
S Open or short in speed sensor circuit
S Vehicle speed sensor
S ECM
S Skid control ECU
S Clutch or brake slips or gear is broken
ff
P0503
(05 −1 83)Vehicle Speed Sensor ”A”
Intermittent/Erratic/high
SCombination meter
S Open or short in vehicle speed sensor circuit
S Vehicle speed sensor
S ECM
S Skid control ECU
S Clutch or brake slips or gear is broken
f
P0504
(05 −1 85)Brake Switch Correlation
SShort in stop lamp switch signal circuit
S Stop lamp switch
S ECM
f
P0505 *3
(05 −1 89)Idle Air Control System
SElectric throttle control system
S Air induction system
S PCV hose connection
ff
P0555
(05 −1 91)Brake Booster Pressure Sensor
Circuit
S Open or short in brake booster pressure sensor circuit
S Brake booster pressure sensor
S Vacuum hose
S ECM
ff
P0556
(05 −1 94)Brake Booster Pressure Sensor
Circuit Range/Performance
SVacuum hose (between the brake booster and intake manifold,
the brake booster and brake booster pressure sensor, and the
intake manifold and manifold absolute pressure sensor)
S Open or short in brake booster pressure sensor circuit
S Brake booster pressure sensor
S Manifold absolute pressure sensor
S Brake booster
S Open or short in stop lamp switch circuit
S Stop lamp switch
S ECM
ff
P0557
(05 −1 91)Brake Booster Pressure Sensor
Circuit Low Input
S Open or short in brake booster pressure sensor circuit
S Brake booster pressure sensor
S Vacuum hose
S ECM
ff
P0558
(05 −1 91)Brake Booster Pressure Sensor
Circuit High Input
S Open or short in brake booster pressure sensor circuit
S Brake booster pressure sensor
S Vacuum hose
S ECM
ff
P0560
(05 −1 99)System VoltageSOpen in back −up power source circuit
S ECMff
P057 1
(*5)Brake Switch ”A” CircuitS Cruise control systemf
P0604
(05 −202)Internal Control Module Random
Access Memory (RAM) ErrorSECMff
P0606
(05 −202)ECM/PCM ProcessorSECMff
Page 4105 of 5135
05−38
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
DTC No.
(See Page) Memory
*
1
CHK ENG
Trouble Area
Detection Item
P0607
(05 −202)Control Module PerformanceSECMff
P06 17
(05 −203)Starter Relay Circuit High
SShort in Park/Neutral position switch (A/T)
S Park/Neutral position switch (A/T)
S Ignition switch
S ECM
ff
P0657
(05 −202)Actuator Supply Voltage Circuit /
OpenSECMff
P0705 *4
(05 −566)
Transmission Range Sensor Cir-
cuit Malfunction (PRNDL Input)SElectronic controlled automatic transmission (ECT)ff
P07 10*4
(05 −57 1)
Transmission Fluid Temperature
Sensor ”A” circuitS Electronic controlled automatic transmission (ECT)ff
P07 11*3,4
(05 −574)
Transmission Fluid Temperature
Sensor ”A” PerformanceSElectronic controlled automatic transmission (ECT)ff
P07 12*4
(05 −574)
Transmission Fluid Temperature
Sensor ”A” Circuit Low InputSElectronic controlled automatic transmission (ECT)ff
P07 13*4
(05 −574)
Transmission Fluid Temperature
Sensor ”A” Circuit High InputSElectronic controlled automatic transmission (ECT)ff
P07 17*4
(05 −577)
Input/Turbine Speed Sensor ”A”
Circuit No SignalSElectronic controlled automatic transmission (ECT)ff
P0724 *4
(05 −580)Brake Switch ”B” Circuit HighSElectronic controlled automatic transmission (ECT)ff
P074 1*3,4
(05 −582)
Torque Converter Clutch Circuit
Performance or Stuck OffSElectronic controlled automatic transmission (ECT)ff
P0743 *4
(05 −586)
Torque Converter Clutch Circuit
ElectricalSElectronic controlled automatic transmission (ECT)ff
P0746 *3,4
(05 −589)
Pressure Control Solenoid ”A”
Performance (Shift Solenoid
Valve SL 1)
SElectronic controlled automatic transmission (ECT)ff
P0748 *4
(05 −592)
Pressure Control Solenoid ”A”
Electrical (Shift Solenoid Valve
SL 1)
SElectronic controlled automatic transmission (ECT)ff
P0766 *3,4
(05 −595)
Shift Solenoid ”D” Performance
(Shift Solenoid Valve S4)SElectronic controlled automatic transmission (ECT)ff
P077 1*3,4
(05 −598)
Shift Solenoid ”E” Performance
(Shift Solenoid Valve SR)SElectronic controlled automatic transmission (ECT)ff
P0776 *3,4
(05 −60 1)
Pressure Control Solenoid ”B”
Performance (Shift Solenoid
Valve SL2)
S Electronic controlled automatic transmission (ECT)ff
P0778 *4
(05 −604)
Pressure Control Solenoid ”B”
Electrical (Shift Solenoid Valve
SL2)
SElectronic controlled automatic transmission (ECT)ff
P0793 *4
(05 −607)
Intermediate Shaft Speed Sen-
sor ”A” Circuit No SignalSElectronic controlled automatic transmission (ECT)ff
P0796 *3,4
(05 −610)
Pressure Control Solenoid ”C”
performance (Shift Solenoid
Valve SL3)
SElectronic controlled automatic transmission (ECT)ff
P0798 *4
(05 −613)
Pressure Control Solenoid ”C”
Electrical (Shift Solenoid Valve
SL3)
SElectronic controlled automatic transmission (ECT)ff
P0982 *4
(05 −616)Shift Solenoid ”D” Control LowSElectronic controlled automatic transmission (ECT)ff
P0983 *4
(05 −616)Shift Solenoid ”D” Control HighSElectronic controlled automatic transmission (ECT)ff
Page 4106 of 5135
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
05 −39
AVENSIS Supplement (RM 1045E)
DTC No.
(See Page) Memory
*
1
CHK ENG
Trouble Area
Detection Item
P0985 *4
(05 −619)
Shift Solenoid ”E” Control Circuit
Low (Shift Solenoid Valve SR)SElectronic controlled automatic transmission (ECT)ff
P0986 *4
(05 −619)
Shift Solenoid ”E” Control Circuit
High (Shift Solenoid Valve SR)SElectronic controlled automatic transmission (ECT)ff
P 1235
(05 −207)High Pressure Fuel Pump Circuit
SOpen or short in fuel pump (high pressure)
S Fuel pump (high pressure)
S ECM
ff
P2008
(05 −210)Intake Manifold Runner Control
Circuit/Open (Bank 1)SOpen of short in VSV for IACV circuit
S VSV for IACV
S ECM
ff
P2 102
(05 −214)Throttle Actuator Control Motor
Circuit LowSOpen in throttle control motor circuit
S Throttle control motor
S ECM
ff
P2 103
(05 −214)Throttle Actuator Control Motor
Circuit High
SShort in throttle control motor circuit
S Throttle control motor
S Throttle valve
S Throttle body assembly
S ECM
ff
P2 111
(05 −217)Throttle Actuator Control System
− Stuck Open
SThrottle control motor circuit
S Throttle control motor
S Throttle body
S Throttle valve
ff
P2 112
(05 −217)Throttle Actuator Control System
− Stuck Closed
SThrottle control motor circuit
S Throttle control motor
S Throttle body
S Throttle valve
ff
P2 118
(05 −219)Actuator Control Motor Current
Range/PerformanceSOpen in ETCS power source circuit
S THROTTLE fuse
S ECM
ff
P2 119
(05 −222)Throttle Actuator Control Throttle
Body Range/PerformanceSElectric throttle control system
S ECMff
P2 120
(05 −224)Throttle/Pedal Position Sensor/
Switch ”D” CircuitSAccelerator pedal position sensor
S ECMff
P2 121
(05 −232)Throttle/Pedal Position Sensor/
Switch ”D” Circuit Range/Perfor-
manceSOpen or short in accelerator pedal position sensor circuit
S Accelerator pedal position sensor
S ECM
ff
P2 122
(05 −224)Throttle/Pedal Position Sensor/
Switch ”D” Circuit Low Input
SAccelerator pedal position sensor
S Open in VCPA circuit
S VPA circuit open or ground short
S ECM
ff
P2 123
(05 −224)Throttle/Pedal Position Sensor/
Switch ”D” Circuit High InputSAccelerator pedal position sensor
S Open in EPA circuit
S ECM
ff
P2 125
(05 −224)Throttle/Pedal Position Sensor/
Switch ”E” CircuitSAccelerator pedal position sensor
S ECMff
P2 127
(05 −224)Throttle/Pedal Position Sensor/
Switch ”E” Circuit Low Input
SAccelerator pedal position sensor
S Open in VCP2 circuit
S VPA2 circuit open or ground short
S ECM
ff
P2 128
(05 −224)Throttle/Pedal Position Sensor/
Switch ”E” Circuit High InputSAccelerator pedal position sensor
S Open in EPA 2circuit
S ECM
ff
P2 135
(05 −75)Throttle Pedal Position Sensor/
Switch ”A”/”B” Voltage Correla-
tionSVTA 1and VTA2 circuits are short −circuited
S Throttle position sensor (built in throttle body)
S ECM
ff
Page 4107 of 5135
05−40
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
DTC No.
(See Page) Memory
*
1
CHK ENG
Trouble Area
Detection Item
P2 138
(05 −224)Throttle Pedal Position Sensor/
Switch ”D”/”E” Voltage Correla-
tionSVPA and VPA2 circuits are short −circuit
S Accelerator pedal position sensor
S ECM
ff
P2 195 *3
(05 −82)
Oxygen Sensor Signal Stuck
Lean (Bank 1Sensor 1)*7
SOpen or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 1Sensor 1)*7
SHeated oxygen sensor heater (Bank 1Sensor 1)*7
SEFI relay
S Air induction system
S Fuel pressure
S Injector
S ECMff
P2 196 *3
(05 −82)
Oxygen Sensor Signal Stuck
Rich (Bank 1Sensor 1)*7
SOpen or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 1Sensor 1)*7
SHeated oxygen sensor heater (Bank 1Sensor 1)*7
SEFI relay
S Air induction system
S Fuel pressure
S Injector
S ECMff
P2 197 *3
(05 −82)
Oxygen Sensor Signal Stuck
Lean (Bank 2 Sensor 1)*8
SOpen or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 2 Sensor 1)*8
SHeated oxygen sensor heater (Bank 2 Sensor 1)*8
SEFI relay
S Air induction system
S Fuel pressure
S Injector
S ECMff
P2 198 *3
(05 −82)
Oxygen Sensor Signal Stuck
Rich (Bank 2 Sensor 1)*8
SOpen or short in heated oxygen sensor circuit
S Heated oxygen sensor (Bank 2 Sensor 1)*8
SHeated oxygen sensor heater (Bank 2 Sensor 1)*8
SEFI relay
S Air induction system
S Fuel pressure
S Injector
S ECMff
P27 16*4
(05 −622)
Pressure Control Solenoid ”D”
ElectricalSElectronic controlled automatic transmission (ECT)ff
B2799
(*6)Engine Immobilizer System Mal-
functionSImmobilizer systemf
*1:CHK ENG (Check engine warning light) dese not illuminate,f CHK ENG (Check engine warning
light) illuminates.
*
2: CHK ENG (Check engine warning light) illuminates or blinks.
*
3: For Euro −OBD vehicles only.
*
4: For A/T only.
*
5: See page 05 −1714 of Pub. No. RM 1018E AVENSIS.
*
6: See page 05 −1628 of Pub. No. RM 1018E AVENSIS.
*
7: Bank 1refers to the No. 1and No. 4 cylinders.
*
8: Bank 2 refers to the No. 2 and No. 3 cylinders.
Page 4108 of 5135
05HI0−01
FI2547
A76859
Hand −Held Tester
DLC3
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
05 −1 5
AVENSIS Supplement (RM 1045E)
DIAGNOSIS SYSTEM
1. DESCRIPTION for EURO −OBD (European spec.)
S When troubleshooting Euro −OBD vehicles, the only dif-
ference from the usual troubleshooting procedure is that
you c onnect an O BD scan t ool com plying wit h I SO
1 503 1− 4 or a hand −held tester to the vehicle, and read
the various data output from the vehicle’s ECM.
S Eur o −O BD r egulat ions r equir e t hat t he v ehicle’s on −
board computer illuminates the check engine warning
light (CHK ENG) on the instrument panel when the com-
puter detects a malfunction in: 1) the emission control
system / components, or 2) the powertrain control compo-
nents (which affect vehicle emissions), or 3) the comput-
er. In addition, the applicable Diagnostic Trouble Codes
(DTCs) prescribed by ISO 1503 1− 4 are recorded in the
ECM memory (see page 05 −31).
If the malfunction does not reoccur in 3 consecutive trips, the
CHK ENG goes off automatically but the DTCs remain recorded
in the ECM memory.
S To check the DTCs, connect the OBD scan tool or hand −
held tester to Data Link Connector 3 (DLC3) on the ve-
hicle. The OBD scan tool or hand −held tester also en-
ables you to erase the DTCs and check the freeze frame
data and various forms of engine data. (See the instruc-
tion manual for the OBD scan tool or the hand −held tes-
ter).
S DTCs include ISO controlled codes and manufacturer
controlled codes. ISO controlled codes must be set ac-
cording to the ISO, while manufacturer controlled codes
can be set by a manufacturer within certain restrictions
(see the DTC chart on page 05 −31).
S The diagnosis system operates in normal mode during
normal vehicle use. In ”normal mode”, 2 trip detection log-
ic* is used to ensure accurate detection of malfunctions.
A ”check mode”, is also available to technicians as an op-
tion. In ”check mode”, 1 trip detection logic is used for sim-
ulating malfunction symptoms and increasing the sys-
tem’s ability to detect malfunctions, including intermittent
malfunctions (hand −held tester only)
(see page 05 −1 9) .
S*2 trip detection logic:
When a malfunction is first detected, the malfunction is
temporarily stored in the ECM memory ( 1st trip). If the
ignition switch is turned OFF and then ON again, and the
same malfunction is detected again, the CHK ENG will il-
luminate (2nd trip).
Page 4109 of 5135
FI2547
A76859
Hand−Held Tester
DLC3
05 −1 6
−
DIAGNOSTICS SFI SYSTEM (2AZ−FSE)
AVENSIS Supplement (RM 1045E)
S Freeze frame data:
The freeze frame data records the engine conditions (fuel
system, calculated load, engine coolant temperature, fuel
trim, engine speed, vehicle speed, etc.) when a malfunc-
tion 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 malfunc-
tion occurred.
Priorities for troubleshooting:
When multiple DTCs occur, find out the order in which the DTCs
should be inspected by checking the component’s DTC chart.
If no instructions are written in the DTC chart, check DTCs in the
following order of priority:
(a) DTCs ot her t han f uel t r im m alf unct ion DTCs ( P0 1 71 ,
P0 172, P0 174 and P0 175) and misfire DTCs (P0300 to
P0304).
(b) Fuel trim malfunction DTCs (P0 171,P0 172, P0 174 and
P0 175).
(c) Misfire DTCs (P0300 to P0304).
2. DESCRIPTION for M −OBD (Except European spec.)
S When troubleshoot Multiplex OBD (M −OBD) vehicles, the
only difference from the usual troubleshooting procedure
is that you connect the hand −held tester to the vehicle,
and read the various data output from the vehicle’s ECM.
S The vehicle’s on −board computer illuminates the check
engine warning lamp (CHK ENG) on the instrument panel
when the computer detects a malfunction in the computer
itself or in drive system components. In addition, the appli-
cable Diagnostic Trouble Codes (DTCs) are recorded in
the ECM memory (see page 05 −31).
If the malfunction does not recur, the CHK ENG goes off be dis-
appeared by turning the ignition switch to OFF, but the recorded
DTCs remain in the ECM memory.
S To check the DTCs, connect the hand −held tester to the
Data Link Connector 3 (DLC3) on the vehicle or connect
terminals TC and CG on the DLC3(DTCs will be displayd
on the multi −information display).
S The diagnosis system operates in normal mode during
normal vehicle use. In ”normal mode”, 2 trip detection log-
ic* is used to ensure accurate detection of malfunctions.
A ”check mode”, is also available to technicians as an op-
tion. In ”check mode”, 1 trip detection logic is used for sim-
ulating malfunction symptoms and increasing the sys-
tem’s ability to detect malfunctions, including intermittent
malfunctions (hand −held tester only)
(see page 05 −20).
Page 4110 of 5135
3 2 145678
910111213141516
DLC33 2 145678
910111213141516
DLC3
A04550
− DIAGNOSTICSSFI SYSTEM (2AZ−FSE)
05−17
AVENSIS Supplement (RM1045E)
S*2 trip detection logic:
When a malfunction is first detected, the malfunction is
temporarily stored in the ECM memory (1st trip). If the
ignition switch is turned OFF and then ON again, and the
same malfunction is detected again, the CHK ENG will il-
luminate (2nd trip).
SFreeze frame data:
The freeze frame data records the engine conditions (fuel
system, calculated load, engine coolant temperature, fuel
trim, engine speed, vehicle speed, etc.) when a malfunc-
tion 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 malfunc-
tion occurred.
Priorities for troubleshooting:
When multiple DTCs occur, find out the order in which the DTCs
should be inspected by checking the component’s DTC chart.
If no instructions are written in the DTC chart, check DTCs in the
following order of priority:
(a) DTCs other than fuel trim malfunction DTCs (P0171,
P0172, P0174 and P0175) and misfire DTCs (P0300 to
P0304).
(b) Fuel trim malfunction DTCs (P0171,P0172, P0174 and
P0175).
(c) Misfire DTCs (P0300 to P0304).
3. CHECK DLC3.
(a) The vehicle’s ECM uses the ISO 9141−2 (Euro−OBD)/
ISO14230(M−OBD) communication protocol. The termi-
nal arrangement of the DLC3 complies with ISO
15031−03 and matches the ISO 9141−2/ ISO14230 for-
mat.
SymbolTerminal No.NameReference TerminalResultCondition
SIL7Bus ”+” line5−Signal groundPulse generationDuring transmission
CG4Chassis groundBody ground1or lessAlways
SG5Signal groundBody ground1or lessAlways
BAT16Battery positiveBody ground9to14VAlways
HINT:
Connect the cable of the OBD II scan tool or the hand−held tes-
ter to the DLC3, turn the ignition switch ON and attempt to use
the hand−held tester. If the screen displays UNABLE TO CON-
NECT TO VEHICLE, a problem exists in the vehicle side or the
tester side.
SIf communication is normal when the tool is connected to
another vehicle, inspect the DLC3 on the original vehicle.