Toyota Tundra (2015 year). Manual — part 1158
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5.
INSPECT 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
(a) Replace the crankshaft position sensor
.
7.
CHECK WHETHER DTC OUTPUT RECURS (DTC P0335, P0337, P0338 AND/OR P0339)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs
.
(e) Refer to the confirmation driving pattern.
(f) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(g) Read DTCs.
Result
RESULT
PROCEED TO
No DTC is output
A
P0335, P0337, P0338 or P0339 is output
B
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337-...
HINT:
If the engine does not start, replace the ECM.
B
REPLACE ECM
A
END
8.
CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)
(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
D3-3 (VC) - D74-66 (VCV2)
Always
Below 1 Ω
D3-3 (VC) or D74-66 (VCV2) -
Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE ECM
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337-...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000000WBZ0QNX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0340,P0342,P0343,P0345,P0347,P0348; Camshaft
Position Sensor Circuit; 2015 MY Tundra [08/2014 - ]
DTC
P0340
Camshaft Position Sensor Circuit
DTC
P0342
Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor)
DTC
P0343
Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor)
DTC
P0345
Camshaft Position Sensor "A" Circuit (Bank 2)
DTC
P0347
Camshaft Position Sensor "A" Circuit Low Input (Bank 2)
DTC
P0348
Camshaft Position Sensor "A" Circuit High Input (Bank 2)
DESCRIPTION
The intake camshaft has a sensor plate with 3 teeth on its outer circumference. When the intake camshaft
rotates, changes occur in the air gaps between the 3 teeth and MRE, which affects the magnet. As a result, the
DTC
NO.
DTC DETECTION CONDITION
TROUBLE AREA
P0340
P0345
No VVT sensor signal to ECM at engine speed
Open or short in VVT sensor (for intake side
Intake camshaft
Timing chain for intake camshaft jumped
tooth
ECM
P0342
P0347
(1 trip detection logic)
Open or short in VVT sensor (for intake side
Intake camshaft
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0340,P0342,...
DTC
NO.
DTC DETECTION CONDITION
TROUBLE AREA
Timing chain for intake camshaft jumped
tooth
ECM
P0343
P0348
(1 trip detection logic)
Open or short in VVT sensor (for intake side
Intake camshaft
Timing chain for intake camshaft jumped
tooth
ECM
Reference: Inspection using an oscilloscope
Standard:
TESTER CONNECTION
TOOL SETTING
CONDITION
SPECIFIED CONDITION
D74-110 (NE+) - D74-111 (NE-)
5 V/DIV.
20 msec./DIV.
Cranking or idling
The correct waveform is as shown
D74-92 (VV1+) - D74-91 (VV1-)
5 V/DIV.
20 msec./DIV.
Cranking or idling
The correct waveform is as shown
D74-87 (VV2+) - D74-88 (VV2-)
5 V/DIV.
20 msec./DIV.
Cranking or idling
The correct waveform is as shown
HINT:
VV1 and VV2 are the VVT sensor signals, and NE is the CKP sensor signal.
MONITOR DESCRIPTION
When the sensor output voltage remains at less than 0.3 V, or more than 4.7 V for more than 4 seconds, the ECM
stores a DTC.
MONITOR STRATEGY
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0340,P0342,...
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