Toyota Tundra (2015 year). Manual — part 2052
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: VC Output Cir...
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: VC Output Cir...
B
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK MIL
(a) Check that the Malfunction Indicator Lamp (MIL) lights up when turning the ignition switch to
ON.
OK:
MIL lights up
NG
GO TO STEP 2
OK
SYSTEM OK
2.
CHECK COMMUNICATION BETWEEN TECHSTREAM AND ECM
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and Techstream on.
(c) Check the communication between the Techstream and ECM.
Result
RESULT
PROCEED TO
Communication is possible
A
Communication is not possible
B
A
GO TO MIL CIRCUIT
3.
CHECK MIL (THROTTLE POSITION SENSOR)
(a) Disconnect the D9 throttle body connector.
(b) Turn the ignition switch to ON.
(c) Check the MIL.
Result
RESULT
PROCEED TO
MIL illuminates
A
MIL does not illuminate
B
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: VC Output Cir...
B
B
B
HINT:
Perform "Inspection After Repair" after replacing the throttle body
.
A
REPLACE THROTTLE BODY ASSEMBLY
4.
CHECK MIL (ACCELERATOR PEDAL POSITION SENSOR)
(a) Disconnect the A14 accelerator pedal position sensor connector.
(b) Turn the ignition switch to ON.
(c) Check the MIL.
Result
RESULT
PROCEED TO
MIL illuminates
A
MIL does not illuminate
B
A
REPLACE ACCELERATOR PEDAL POSITION
SENSOR
5.
CHECK MIL (CANISTER PUMP MODULE)
(a) Disconnect the R12 canister pump module connector.
(b) Turn the ignition switch to ON.
(c) Check the MIL.
Result
RESULT
PROCEED TO
MIL illuminates
A
MIL does not illuminate
B
A
REPLACE CANISTER PUMP MODULE
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: VC Output Cir...
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