2005 TOYOTA AVENSIS Service Repair Manual

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Page 4265 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−346
−
DIAGNOSTICS ECD SYSTEM (1CD −FTV)(From September, 2003)
AVENSIS Supplement (RM 1045E)
DTC P0 106 MANIFOLD ABSOLUTE PRESSURE/
BAROMETRIC PRESSURE CIRCUIT RANGE/
PERFORMANCE PROBLEM
CIRC

Page 4266 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual −
DIAGNOSTICS ECD SYSTEM (1CD −FTV)(From September, 2003)
05 −34 1
AVENSIS Supplement (RM 1045E)
DTC P0 101 MASS OR VOLUME AIR FLOW CIRCUIT
RANGE/PERFORMANCE PROBLEM
CIRCUIT DESCRIPTION
Refer

Page 4267 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 30
20
10
5
3
2
1
0.5
0.3
0.2
0.1
−20 0
20 4060
80 100
F14741(−4) (104) (140) (176)(32) (68) (212)
A56276
(Figure 1)
Acceptable
Resistance k
Temperature˚C(˚F)
− DIAGNOSTICSECD SYSTEM (1CD−FT

Page 4268 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A76568
I9
Diesel Turbo Inlet Air
Temperature Sensor
2
1GR
E2 THIAR5V ECM
E13E1320
28
BR 05−332
− DIAGNOSTICSECD SYSTEM (1CD−FTV)(From September, 2003)
AVENSIS Supplement (RM1045E)DTC No.
Proceed

Page 4269 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A83861
Diesel Turbo Inlet Air
Temperature SensorECM
THIA
E2
I9
A56868
I9
Wire Harness Side:
Diesel Turbo
Inlet Air Temperature Sensor Connector
THIA
E2
−
DIAGNOSTICS ECD SYSTEM (1CD−FTV)(From Sep

Page 4270 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A83862
Diesel Turbo Inlet Air
Temperature SensorECM
THIA
E2
I9
A80455
THIA
E2
E13
ECM Connector
A83863
Diesel Turbo Inlet Air
Temperature Sensor
ECM
THIA
E2
I9
05
−334
−
DIAGNOSTICS ECD SYSTEM (

Page 4271 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual A83864
Diesel Turbo Inlet Air
Temperature SensorECM
THIA
E2
I9
A80456
E13
ECM Connector
THIA
E2
−
DIAGNOSTICS ECD SYSTEM (1CD−FTV)(From September, 2003)
05 −335
AVENSIS Supplement (RM1045E)
5 R

Page 4272 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05−328
−
DIAGNOSTICS ECD SYSTEM (1CD −FTV)(From September, 2003)
AVENSIS Supplement (RM 1045E)
DTC P0093 FUEL SYSTEM LEAK DETECTED − LARGE
LEAK
HINT:
S If DTC P 1229 is detected, P0093 (fuel

05−328
−
DIAGNOSTICS ECD SYSTEM (1CD −FTV)(From September, 2003)
AVENSIS Supplement (RM 1045E)
DTC P0093 FUEL SYSTEM LEAK DETECTED − LARGE
LEAK
HINT:
S If DTC P 1229 is detected, P0093 (fuel leaks in high −pressurized area) may be detected simultaneous-
ly. Because of the extremely high internal fuel pressure in the common rail opens the pressure limiter,
and the ECM may interpret this as a fault and set P0093.
S For more information on the common rail system, see page 05 −255.
S If P0093 is present, refer to the diagnostic trouble codes (DTCs) table for the fuel system on page
05 −255.
CIRCUIT DESCRIPTION
Refer to the description on page 05 −255.
DTC No.DTC Detection ConditionTrouble Area
P0093Fuel leaks in high −pressurized area
( 1 trip detection logic)
SFuel line between supply pump and common rail
S Fuel line between common rail and injector
S Supply pump
S Common rail
S Injector (P 1238 is set simultaneously)
S Pressure discharge valve
S Open or short in EDU circuit (P0200 is set simultaneously)
S Open or short in injector circuit (P0200 and P 1238 are set
simultaneously)
S EDU (P0200 is set simultaneously)
S ECM
HINT:
After confirming DTC P0093, check the internal fuel pressure of the common rail in the ”DIAGNOSIS / OBD/
MOBD / DATA LIST / ALL / COMN RAIL” using the hand −held tester.
Reference:
Engine SpeedFuel Pressure (MPa)
IdlingApproximately 30 to 40
2,500 rpm (No engine load)Approximately 50 to 100
MONITOR DESCRIPTION
P0093 (Fuel leaks in high −pressurized area):
This DTC stands for fuel leaks that are existing in high −pressurized area in the common rail system. The
ECM constantly monitors the internal fuel pressure of the common rail after the engine is started, and the
ECM then will set this DTC if the drop of the internal fuel pressure is large when injecting the fuel.
In the common rail system, high −pressurized fuel, approximately 30 to 180 MPa (306 to 1,835 kgf/cm
2, 4,35 1
to 26, 106 psi), is always applied to the high −pressurized area including the supply pump, common rail, injec-
tor and piping. The ECM adjusts the suction control valve control current (by applying duty ratio signal) to
obtain the target internal fuel pressure.
If this DTC is present, the ECM enters the fail −safe mode. The fail −safe mode suspends both fuel injection
and supply pump operation, and then stops the engine. Before stopping the engine, the ECM permits driving
the vehicle for 1minute. The fail −safe mode continues until the ignition switch is turned to OFF.
MONITOR STRATEGY
Required sensorsFuel pressure sensor
Frequency of operationContinuous
Duration1 second
CHK ENG operation1driving cycle
05CPF −05

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