Toyota Tundra (2015 year). Manual — part 1168
OK
NEXT
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Data List / MAP.
(e) Read the MAP value.
Standard:
SWITCH CONDITION
TECHSTREAM DISPLAY
Ignition switch ON
80 to 110 kPa (600 to 825 mmHg)
(f) Read the MAP value when racing the engine.
Standard:
ENGINE CONDITION
TECHSTREAM DISPLAY
Idling
20 to 40 kPa (150 to 300 mmHg)
OK
GO TO STEP 11
NG
GO TO STEP 9
9.
CHECK INTAKE SYSTEM
(a) Check the intake system for vacuum leaks
.
OK:
No leaks in intake system.
HINT:
Perform "Inspection After Repair" after repairing or replacing the intake system
.
NG
REPAIR OR REPLACE INTAKE SYSTEM
10.
REPLACE MANIFOLD ABSOLUTE PRESSURE SENSOR
(a) Replace the manifold absolute pressure sensor
.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0401; Exhaus...
11.
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear the DTC
.
(e) Turn the ignition switch off and wait for 30 seconds.
(f) Turn the ignition switch to ON and turn the Techstream on.
(g) Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or more.
HINT:
The A/C switch and all accessory switches should be off.
(h) Drive the vehicle at 60 km/h (37 mph) for 5 minutes or more.
CAUTION:
Strictly observe speed limits and traffic laws when performing the confirmation drive pattern.
(i) Idle the engine for 30 seconds or more.
(j) Drive the vehicle at 60 km/h (37 mph).
CAUTION:
Strictly observe speed limits and traffic laws when performing the confirmation drive pattern.
(k) Perform fuel cut operation for 5 seconds or more with the accelerator pedal fully released.
HINT:
If the deceleration was not completed, perform the Confirmation Driving Pattern again.
(l) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
(m) Read the pending DTCs.
(n) If a pending DTC is output, the system is malfunctioning.
HINT:
If a pending DTC is not output, perform the following procedure.
(o) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
(p) Input the DTC: P0401.
(q) Check the DTC judgment result.
TECHSTREAM
DISPLAY
DESCRIPTION
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0401; Exhaus...
TECHSTREAM
DISPLAY
DESCRIPTION
NORMAL
DTC judgment completed
System normal
ABNORMAL
DTC judgment completed
System abnormal
INCOMPLETE
DTC judgment not completed
Perform driving pattern after confirming DTC enabling conditions
N/A
Unable to perform DTC judgment
NEXT
END
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0401; Exhaus...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000003Q3602RX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0403; Exhaust Gas Recirculation Control Circuit; 2015
MY Tundra [08/2014 - ]
DTC
P0403
Exhaust Gas Recirculation Control Circuit
DESCRIPTION
Refer to DTC P0401
.
DTC NO.
DTC DETECTION CONDITION
TROUBLE AREA
P0403
Open or short in EGR valve circuit
(1 trip detection logic)
Open or short in EGR valve circuit
EGR valve assembly
ECM
HINT:
DTC P0403 is set when the ignition switch is in the ON position.
MONITOR DESCRIPTION
This DTC is designed to detect an open or short in the EGR valve assembly circuit.
If the EGR terminal voltage is low when the EGR terminal output is off, the ECM determines that the EGR valve
circuit is malfunctioning.
MONITOR STRATEGY
Related DTCs
P0403: Exhaust gas recirculation control circuit range check
Required Sensors/Components (Main)
EGR valve
Required Sensors/Components (Related)
-
Duration
1 second
MIL Operation
Immediate
TYPICAL ENABLING CONDITIONS
Monitor runs whenever following DTCs not present
None
Engine
Running
Battery voltage
10.5 V or higher
Starter
OFF
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0403; Exhaus...
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