Toyota Tundra (2015 year). Manual — part 1546
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
a5-1 - a5-2
Ignition switch ON
4.5 to 5.5 V
a6-1 - a6-2
Ignition switch ON
4.5 to 5.5 V
NG
REPLACE ECM
OK
CHECK FOR INTERMITTENT PROBLEMS
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0327,P032...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000000TCW0ZOX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P0337-P0339; Crankshaft Position Sensor "A"
Circuit; 2015 MY Tundra [08/2014 - ]
DTC
P0335
Crankshaft Position Sensor "A" Circuit
DTC
P0337
Crankshaft Position Sensor "A" Circuit Low Input
DTC
P0338
Crankshaft Position Sensor "A" Circuit High Input
DTC
P0339
Crankshaft Position Sensor "A" Circuit Intermittent
DESCRIPTION
distinguish between the cylinders, and uses the NE signal to detect the crankshaft position and engine speed.
DTC
NO.
DTC DETECTION CONDITION
TROUBLE AREA
P0335
No CKP sensor signal to ECM while cranking (1 trip
detection logic)
Open or short in CKP
sensor circuit
CKP sensor
CKP sensor plate
ECM
P0337
Open or short in CKP
sensor circuit
CKP sensor
CKP sensor plate
ECM
P0338
Open or short in CKP
sensor circuit
CKP sensor
CKP sensor plate
ECM
P0339
Under conditions (a), (b) and (c), no CKP sensor signal to ECM for
0.05 seconds or more (1 trip detection logic):
(a) Engine speed 1000 rpm or more
(b) Starter signal OFF
(c) 3 seconds or more have elapsed since starter signal switched
from ON to OFF
Open or short in CKP
sensor circuit
CKP sensor
CKP sensor plate
ECM
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P033...
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
D74-90 (G2) - D74-89 (G2-)
5 V/DIV., 20
msec./DIV.
Cranking or
idling
The correct waveform is as
shown
HINT:
G2 stands for the camshaft position sensor signal, and NE stands for the crankshaft position
sensor signal.
MONITOR DESCRIPTION
If there is no signal from the crankshaft position sensor despite the crankshaft revolving, the ECM interprets
ECM stores a DTC.
MONITOR STRATEGY
Related DTCs
P0335: Crankshaft position sensor range check/rationality
P0337: Crankshaft position sensor check (Low voltage)
P0338: Crankshaft position sensor check (High voltage)
Required sensors/Components (Main)
Crankshaft Position (CKP) sensor
Required sensors/Components (Related)
Camshaft position sensor
Duration
-: Verify pulse input (case 2)
4.7 seconds: Verify pulse input (case 1)
4 seconds: Others
MIL operation
Immediate
TYPICAL ENABLING CONDITIONS
All
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P033...
Monitor runs whenever following DTCs not stored
None
P0335 Crankshaft Position Sensor Verify Pulse Input (Case 1):
Battery voltage
Higher than 6 V
CKP sensor voltage
0.3 to 4.7 V
Time after starter off to ON
0.5 seconds or more
Ignition switch
ON
Starter
ON
Minimum battery voltage while starter ON
Below 11 V
P0335 Crankshaft Position Sensor Verify Pulse Input (Case 2):
Battery voltage
Higher than 6 V
CKP sensor voltage
0.3 to 4.7 V
Ignition switch
ON
Engine speed (Top dead center)
450 rpm or higher
Engine speed (30°CA)
450 rpm or higher
Starter
OFF
Time after starter turned from ON to OFF
3 seconds or more
P0337, P0038 Crankshaft Position Sensor Range Check (Low voltage, High voltage):
Battery voltage
8 V or more
Ignition switch
ON
Starter
OFF
TYPICAL MALFUNCTION THRESHOLDS
P0335 Crankshaft Position Sensor Verify Pulse Input:
Crankshaft Position (CKP) sensor signal
No signal
P0337 Crankshaft Position Sensor Range Check (Low voltage):
CKP sensor voltage
Less than 0.3 V
P0338 Crankshaft Position Sensor Range Check (High voltage):
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
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0335,P033...
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