Toyota Tundra (2015 year). Manual — part 1979
A
FREEZE FRAME DATA ITEM FOR DTC P1605
RESULT
PROCEED
TO
Initial Engine Coolant Temp, Ambient Temp for
A/C, Initial Intake Air Temp
Difference in temperature between each
item is less than 10°C*1
A
Difference in temperature between each
item is 10°C or more*2
B
HINT:
*1: A long time had elapsed after stopping the engine.
*2: A long time had not elapsed after stopping the engine.
B
GO TO STEP 49
47.
READ FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which
were present when the DTC was stored
.
Result
FREEZE FRAME DATA ITEM FOR DTC P1605
RESULT
SUSPECTED AREA
PROCEED
TO
Initial Engine Coolant Temp, Coolant Temp,
Engine Run Time
Range
A
Engine coolant temperature
sensor
Thermostat
A
Range
B
Engine coolant temperature
B
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
A
FREEZE FRAME DATA ITEM FOR DTC P1605
RESULT
SUSPECTED AREA
PROCEED
TO
Range
C
-
C
HINT:
This step is not directly related to engine stall.
B
GO TO STEP 50
C
GO TO STEP 78
48.
INSPECT THERMOSTAT
HINT:
For the thermostat inspection, refer to the following procedures
.
Result
RESULT
PROCEED TO
Abnormal
A
Normal
B
HINT:
This step is not directly related to engine stall.
B
GO TO STEP 50
A
REPLACE THERMOSTAT
49.
READ FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which
were present when the DTC was stored
.
Result
FREEZE FRAME DATA
ITEM FOR DTC P1605
RESULT
SUSPECTED AREA
PROCEED
TO
Coolant Temp
120°C or higher
Engine coolant
A
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
A
A
FREEZE FRAME DATA
ITEM FOR DTC P1605
RESULT
SUSPECTED AREA
PROCEED
TO
temperature sensor
Coolant Temp, Ambient
Temp for A/C
Engine coolant temperature is lower than
outside temperature by 15°C or more
Engine coolant
temperature sensor
Both freeze frame data
items listed above
Values are other than above
-
B
B
GO TO STEP 81
50.
INSPECT ENGINE COOLANT TEMPERATURE SENSOR
HINT:
For the engine coolant temperature sensor inspection, refer to the following procedures
.
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor
.
Result
RESULT
PROCEED TO
Normal
A
Abnormal
B
B
REPLACE ENGINE COOLANT TEMPERATURE
SENSOR
51.
CHECK HARNESS AND CONNECTOR (ECM - ENGINE COOLANT TEMPERATURE
SENSOR)
(a) Disconnect the ECM connector.
(b) Disconnect the engine coolant temperature sensor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D74-76 (THW) - D28-2
Always
Below 1 Ω
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
OK
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D74-98 (ETHA) - D28-1
Always
Below 1 Ω
D74-76 (THW) or D28-2 - Body ground
Always
10 kΩ or higher
HINT:
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
CHECK FOR INTERMITTENT PROBLEMS
52.
CHECK IGNITION SYSTEM
(a) Perform ignition system On-vehicle Inspection
.
HINT:
Perform "Inspection After Repair" after repairing or replacing the ignition system
.
NG
REPAIR OR REPLACE MALFUNCTIONING PARTS,
COMPONENT AND AREA
53.
READ FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which
were present when the DTC was stored
.
Result
FREEZE FRAME DATA ITEM FOR DTC
P1605
RESULT
SUSPECTED AREA
PROCEED
TO
Intake air volume
insufficient
A
B
B
GO TO STEP 56
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
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