Toyota Tundra (2015 year). Manual — part 1558
OK
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D52-1 (BAT2) or Positive (+) battery cable - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
2.
INSPECT AIR PUMP
(a) Start the engine and warm it up.
(b) Turn the ignition switch off.
(e) Turn the ignition switch to ON and turn the Techstream ON.
(f) Start the engine.
(g) Enter the following menus: Powertrain / Engine and ECT / Utility / Secondary Air Injection
Check / Manual Mode / AIR PUMP 1: ON, ASV1: OPEN, AIR PUMP 2: ON, ASV2: OPEN and AIR
PUMP 1: OFF, ASV1: CLOSE, AIR PUMP 2: OFF, ASV2: CLOSE.
HINT:
When Manual Mode is selected, the Techstream initialization (atmospheric pressure measurement) is
performed automatically. The initialization takes 10 seconds. After the initialization, AIR PUMP and ASV
operation can be selected.
(h) Measure the current while the air pump is on and off.
Standard Current:
TESTER OPERATION
AIR PUMP
ASV
SPECIFIED CONDITION
AIR PUMP: ON, ASV: OPEN
ON
OPEN
10 to 40 A
AIR PUMP: OFF, ASV: CLOSE
OFF
CLOSE
Below 1 A
NOTICE:
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0418,P0419...
NEXT
This Secondary Air Injection Check only allows technicians to operate the AIR system for a maximum of
5 seconds.
Furthermore, the check can only be performed up to 4 times per trip. If the test is repeated,
the prohibition (WAIT or ERROR).
If ERROR is displayed on the Techstream during the test, stop the engine for 10 minutes, and then
try again.
GO TO STEP 3
OK
REPLACE AIR INJECTION CONTROL DRIVER
3.
REPLACE AIR PUMP (FOR BANK 1 OR BANK 2)
(a) Replace the air pump (for bank 1 or bank 2)
.
4.
CHECK WHETHER DTC OUTPUT RECURS
(a) Start the engine and warm it up.
(b) Turn the ignition switch off.
(c) Connect the Techstream to the DLC3.
(d) Turn the ignition switch to ON and turn the Techstream ON.
(e) Clear DTCs (if set)
.
(f) Enter the following menus: Powertrain / Engine and ECT / Utility / Secondary Air Injection
Check / Automatic Mode.
(g) Start the engine after the Techstream initialization is finished.
(h) Perform the System Check operation by pressing Next.
(i) After operating the AIR system, perform the following to confirm the AIR system pending
codes: Press the Exit button.
(j) Check pending DTCs.
(k) Turn the ignition switch off.
OK:
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0418,P0419...
No pending DTC is output.
NOTICE:
When performing the Secondary Air Injection Check operation after the battery cable has been
reconnected, wait for 7 minutes with the ignition switch turned to ON or the engine running.
Turn the ignition switch off when the Secondary Air Injection Check operation finishes.
NG
REPLACE AIR INJECTION CONTROL DRIVER
OK
END
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0418,P0419...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000000TMD0DWX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0420,P0430; Catalyst System Efficiency Below Threshold (Bank 1); 2015
MY Tundra [08/2014 - ]
DTC
P0420
Catalyst System Efficiency Below Threshold (Bank 1)
DTC
P0430
Catalyst System Efficiency Below Threshold (Bank 2)
MONITOR DESCRIPTION
(HO2) sensor, sends post-catalyst information to the ECM.
DTC
CODE
DTC DETECTION CONDITION
TROUBLE AREA
P0420
OSC value smaller than standard value under active
air-fuel ratio control
(2 trip detection logic)
Gas leakage from exhaust system
Air-Fuel Ratio (A/F) sensor (for Bank 1 Sensor 1)
Heated Oxygen (HO2) sensor (for Bank 1 Sensor 2)
Front No. 2 exhaust pipe assembly (TWC: Front
Catalyst and Rear Catalyst)
Fuel pressure switching valve
Fuel pressure regulator
Fuel pressure regulator for high pressure
P0430
OSC value smaller than standard value under active
air-fuel ratio control
(2 trip detection logic)
Gas leakage from exhaust system
Air-Fuel Ratio (A/F) sensor (for Bank 2 Sensor 1)
Heated Oxygen (HO2) sensor (for Bank 2 Sensor 2)
Front exhaust pipe assembly (TWC: Front Catalyst and
Rear Catalyst)
Fuel pressure switching valve
Fuel pressure regulator
Fuel pressure regulator for high pressure
CATALYST LOCATION
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0420,P043...
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