Toyota Tundra (2015 year). Manual — part 1228

OK

A

HINT:

REPAIR OR REPLACE HARNESS OR CONNECTOR

46.

READ FREEZE FRAME DATA

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch 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

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 ON.

(c) Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which were

present when the DTC was stored

.

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...

A

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

Water inlet with thermostat

sub-assembly

A

Range

B

Engine coolant temperature

B

Range

C

-

C

HINT:

This step is not directly related to engine stall.

B

GO TO STEP 50

C

GO TO STEP 80

48.

INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

HINT:

For the water inlet with thermostat sub-assembly inspection, refer to the following procedures

.

Result

RESULT

PROCEED TO

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...

A

RESULT

PROCEED TO

Abnormal

A

Normal

B

HINT:

This step is not directly related to engine stall.

B

GO TO STEP 50

A

REPLACE WATER INLET WITH THERMOSTAT

SUB-ASSEMBLY

49.

READ FREEZE FRAME DATA

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch 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

temperature sensor

A

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 83

50.

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

HINT:

For the engine coolant temperature sensor inspection, refer to the following procedures

.

Result

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...

A

RESULT

PROCEED TO

Normal

A

Abnormal

B

HINT:

Perform "Inspection After Repair" after replacing the engine coolant temperature sensor

.

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

D74-98 (E2) - 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,

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...