Toyota Tundra (2015 year). Manual — part 1660
(a) Disconnect the D50 or D54 AID connector.
(d) Turn the ignition switch to ON and turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / Secondary Air Injection
Check / Manual Mode / AIR PUMP 1: ON, ASV 1: OPEN, AIR PUMP 2: ON, ASV 2: OPEN.
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.
(f) Start the engine.
(g) Perform the AIR system forced operation while the engine is idling.
(i) Turn the ignition switch off.
NOTICE:
Performing Secondary Air Injection Check repeatedly may cause damage to the secondary air injection
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P244...
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D50-3 (SIV) - D50-1 (E)
AIR PUMP: ON, ASV: OPEN
0.5 to 2 V
D54-3 (SIV2) - D54-1 (E2)
AIR PUMP: ON, ASV: OPEN
0.5 to 2 V
D50-3 (SIV) - D50-1 (E)
AIR PUMP: OFF, ASV: CLOSE
11 to 14 V
D54-3 (SIV2) - D54-1 (E2)
AIR PUMP: OFF, ASV: CLOSE
11 to 14 V
(k) Connect the Techstream to the DLC3.
(l) Turn the ignition switch to ON and turn the Techstream on.
(m) Enter the following menus: Powertrain / Engine and ECT / Utility / Secondary Air Injection
Check / Manual Mode / AIR PUMP 1: ON, ASV 1: OPEN, AIR PUMP 2: ON, ASV 2: OPEN.
HINT:
When Manual Mode is selected, the Techstream initialization (atmospheric pressure measurement) is
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P244...
OK
NEXT
performed automatically. The initialization takes 10 seconds. After the initialization, AIR PUMP and ASV
operation can be selected.
(n) Start the engine.
(o) Perform the AIR system forced operation while the engine is idling.
(q) Turn the ignition switch off.
NOTICE:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D50-4 (SIP) - D50-1 (E)
AIR PUMP: ON, ASV: OPEN
0.5 to 2 V
D54-4 (SIP2) - D54-1 (E2)
AIR PUMP: ON, ASV: OPEN
0.5 to 2 V
D50-4 (SIP) - D50-1 (E)
AIR PUMP: OFF, ASV: CLOSE
11 to 14 V
D54-4 (SIP2) - D54-1 (E2)
AIR PUMP: OFF, ASV: CLOSE
11 to 14 V
NG
REPLACE ECM
15.
REPLACE AIR INJECTION CONTROL DRIVER (FOR BANK 1 OR BANK 2)
(a) Replace the air injection control driver (for bank 1 or bank 2)
.
16.
CHECK WHETHER DTC OUTPUT RECURS (DTC P2440, P2441, P2442 AND/OR
P2443)
(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.
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P244...
OK
(e) Clear DTCs (if output)
.
(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:
No pending DTC 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 ECM
OK
END
17.
INSPECT VACUUM HOSES (AIR SWITCHING VALVE ASSEMBLY - PRESSURE
SENSOR)
OK:
No blockage and no deformation in vacuum hose.
NG
REPAIR OR REPLACE VACUUM HOSE
18.
INSPECT AIR SWITCHING VALVE ASSEMBLY (PRESSURE SENSOR)
NG
REPLACE AIR SWITCHING VALVE ASSEMBLY
OK
CHECK FOR INTERMITTENT PROBLEMS
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P244...
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