Toyota Tundra (2015 year). Manual — part 2003

OK

4.

INSPECT AIR INJECTION CONTROL DRIVER (DI TERMINAL VOLTAGE)

(a) Disconnect the AID connectors.

(b) Turn the ignition switch to ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

D50-2 (DI) - D50-1 (E)

Ignition switch ON

11 to 14 V (near battery voltage)

D54-2 (DI2) - D54-1 (E2)

Ignition switch ON

11 to 14 V (near battery voltage)

NG

REPLACE ECM

5.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Disconnect the AID connectors.

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1613,P1614;...

(d) Turn the ignition switch to ON.

(e) Turn the Techstream on.

(f) Enter the following menus: Powertrain / Engine and ECT / Utility / Air Injection Check / Manual

Mode / AIR PUMP 1: ON, ASV 1: OPEN or 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.

(g) Start the engine.

(h) Perform the AIR system forced operation while the engine is idling.

(j) Turn the ignition switch off.

NOTICE:

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1613,P1614;...

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

(l) Connect the Techstream to the DLC3.

(m) Turn the ignition switch to ON.

(n) Turn the Techstream on.

(o) Enter the following menus: Powertrain / Engine and ECT / Utility / Air Injection Check /

Manual Mode / AIR PUMP 1: ON, ASV 1: OPEN or AIR PUMP 2: ON, ASV 2: OPEN.

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1613,P1614;...

OK

NEXT

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.

(p) Start the engine.

(q) Perform the AIR system forced operation while the engine is idling.

(s) 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

6.

REPLACE AIR INJECTION CONTROL DRIVER

(a) Replace the air injection control driver for bank 1 or bank 2

.

7.

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.

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1613,P1614;...