Toyota Tundra (2015 year). Manual — part 1276
MONITOR STRATEGY
Required Sensors/Components
Purge VSV and canister pump module
Duration
2 driving cycles
TYPICAL ENABLING CONDITIONS
Monitor runs whenever following DTCs not present
P0452, P0453 (EVAP system)
Atmospheric pressure
70 to 110 kPa-a (525 to 825 mmHg-a)
Battery voltage
10.5 V or more
Vehicle speed
Below 4 km/h (2.5 mph)
Ignition switch
Off
Time after key off
5, 7 or 9.5 hours
Purge VSV
Not operated by scan tool
Vent valve
Not operated by scan tool
Leak detection pump
Not operated by scan tool
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2420; Evapor...
1. Duration that vehicle driven
5 minutes or more
2. EVAP purge operation
Performed
ECT
4.4 to 37.5°C (40 to 99.5°F)
IAT
4.4 to 37.5°C (40 to 99.5°F)
TYPICAL MALFUNCTION THRESHOLDS
EVAP pressure change after EVAP canister vent valve ON
Less than 0.3 kPa-g (2.25 mmHg-g)
MONITOR RESULT
Refer to Checking Monitor Status
.
CONFIRMATION DRIVING PATTERN
NOTICE:
1.
Turn the ignition switch to ON and turn the Techstream on.
2.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
3.
Turn the ignition switch off and wait for at least 30 seconds.
4.
Turn the ignition switch to ON and turn the Techstream on [A].
5.
Enter the following menu items: Powertrain / Engine and ECT / Utility / Evaporative System Check /
Automatic Mode.
6.
After the "Evaporative System Check" is completed, check All Readiness by entering the following
menus: Powertrain / Engine and ECT / Utility / All Readiness.
7.
Input the DTC: P2420.
8.
Check the DTC judgment result [B].
TESTER
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
9.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2420; Evapor...
TESTER
DISPLAY
DESCRIPTION
N/A
Unable to perform DTC judgment
HINT:
If the judgment result shows ABNORMAL, the system has a malfunction.
If the test result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and
check for permanent DTCs
.
HINT:
If a permanent DTC is output, the system is malfunctioning.
If no permanent DTC is output, the system is normal.
10.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2420; Evapor...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM0000013HB04TX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2431-P2433,P2436-P2438; Secondary Air Injection
System Air Flow / Pressure Sensor Circuit Range / Performance Bank1; 2015 MY Tundra [08/2014 - ]
DTC
P2431
Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range /
Performance Bank1
DTC
P2432
Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low Bank1
DTC
P2433
Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank1
DTC
P2436
Secondary Air Injection System Air Flow / Pressure Sensor Circuit Bank2
DTC
P2437
Open in Secondary Air Injection System Air Flow / Pressure Sensor Circuit
Bank2
DTC
P2438
Short in Secondary Air Injection System Air Flow / Pressure Sensor Circuit
Bank2
DESCRIPTION
The AID drives the ASV and the air pump according to command signals transmitted by the ECM. The pressure
sensor detects the pressure in the secondary air passage when the AIR system is ON and OFF, and transmits a
pressure signal to the ECM.
The AID is not only equipped to drive the pump and valve, but also has a diagnosis function to detect
malfunctions in the AIR system circuit.
HINT:
As a large current is required to drive the air pump and ASV, an AID is installed to this system.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2431-P2433,...
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