Toyota Tundra (2015 year). Manual — part 1157
CKP sensor voltage
More than 4.7 V
COMPONENT OPERATING RANGE
CKP sensor
CKP sensor output voltage fluctuates while engine crankshaft revolving
34 CKP sensor signals per crankshaft revolution
CKP sensor voltage
0.3 to 4.7 V
CONFIRMATION DRIVING PATTERN
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.
5.
Start the engine.
6.
Idle the engine for 20 seconds or more [A].
7.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
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 or P0338.
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 INCOMPLETE or N/A, perform steps [A] through [B] again.
12.
If no pending DTC is output, perform a universal trip and check for permanent DTCs
.
HINT:
13.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337-...
If a permanent DTC is output, the system is malfunctioning.
If no permanent DTC is output, the system is normal.
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 perform the 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 / 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.
(c) Turn the Techstream on.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337-...
OK
(d) Enter the following menus: Powertrain / Engine and ECT / Data List / Engine Speed.
(e) Start the engine.
(f) 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 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)
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337-...
OK
(a) Disconnect the crankshaft position sensor connector.
(b) Disconnect the 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
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
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337-...
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