Toyota Tundra (2015 year). Manual — part 1922
Connect the Techstream to the DLC3.
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.
Start the engine.
6.
Idle the engine for 20 seconds or more [B].
7.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
8.
Read the Pending DTCs.
HINT:
If a pending DTC is output, the system is malfunctioning.
If a pending DTC is not output, perform the following procedure.
9.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
10.
Input the DTC: P0335, P0337, P0338 or P0339.
11.
Check the DTC judgment result.
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
N/A
Unable to perform DTC judgment
HINT:
If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result shows INCOMPLETE or N/A, perform steps [B] and [C] again.
12.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337...
If 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.
13.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
If no problem is found by this diagnostic troubleshooting procedure, check for problems by referring to
the engine mechanical section.
The engine speed can be checked by using the Techstream. To check, follow the procedures below:
Connect the Techstream to the DLC3.
a.
Start the engine.
b.
Turn the Techstream on.
c.
Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Engine
Speed.
d.
PROCEDURE
1.
READ VALUE USING TECHSTREAM (ENGINE SPEED)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and turn the Techstream on.
(c) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Engine Speed.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337...
OK
(d) Start the engine.
(e) Read the values displayed on the Techstream while the engine is running.
Standard:
Correct values are displayed.
HINT:
To check the engine speed change, display the graph on the Techstream.
If the engine does not start, check the engine speed while cranking.
If the engine speed indicated on the Techstream remains zero (0), there may be an open or short in the
Crankshaft Position (CKP) sensor circuit.
NG
GO TO STEP 2
OK
CHECK FOR INTERMITTENT PROBLEMS
2.
INSPECT CRANKSHAFT POSITION SENSOR (SENSOR POWER SOURCE)
(a) Disconnect the D3 crankshaft position sensor connector.
(b) Measure the voltage according to the value(s) in the
table below.
Standard voltage:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
D3-3 (VC) - Body
ground
Ignition switch ON
4.5 to 5.0 V
NG
GO TO STEP 8
3.
CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)
(a) Disconnect the D3 crankshaft position sensor connector.
(b) Disconnect the D74 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D3-1 (NE+) - D74-110 (NE+)
Always
Below 1 Ω
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337...
OK
OK
OK
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D3-2 (NE-) - D74-111 (NE-)
Always
Below 1 Ω
D3-1 (NE+) or D74-110 (NE+) - Body ground
Always
10 kΩ or higher
D3-2 (NE-) or D74-111 (NE-) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
4.
CHECK SENSOR INSTALLATION (CRANKSHAFT POSITION SENSOR)
(a) Check the crankshaft position sensor installation.
OK:
Sensor is installed correctly.
NG
SECURELY REINSTALL SENSOR
5.
CHECK CRANKSHAFT POSITION SENSOR PLATE (TEETH OF SENSOR PLATE)
Sensor plate does not have any cracks or deformation.
NG
REPLACE CRANKSHAFT POSITION SENSOR
PLATE
6.
REPLACE CRANKSHAFT POSITION SENSOR
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337...
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