Toyota Tundra (2015 year). Manual — part 1249

A

OK

(b) Turn the ignition switch to ON.

(c) Start the engine, turn off all accessory switches and warm up the engine until the engine coolant

temperature stabilizes.

(d) Using the Techstream, select and read [ISC Learning Value] in the Data List.

DATA LIST ITEM

RESULT

SUSPECTED AREA

PROCEED TO

ISC Learning Value

(engine displacement (liters) x 0.9) or more

Valve timing

Compression

A

Less than (engine displacement (liters) x 0.9)

-

B

B

GO TO STEP 107

106.

CHECK CYLINDER COMPRESSION PRESSURE

(a) Inspect the compression

.

HINT:

Perform "Inspection After Repair" after replacing the engine assembly

.

NG

REPAIR OR REPLACE ENGINE ASSEMBLY

OK

ADJUST VALVE TIMING

107.

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

(a) Inspect the engine coolant temperature sensor

.

HINT:

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

.

NG

REPLACE ENGINE COOLANT TEMPERATURE SENSOR

108.

CHECK CRANKSHAFT POSITION SENSOR

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...

OK

OK

OK

OK:

Sensor is installed correctly.

NG

SECURELY REINSTALL SENSOR

109.

CHECK VVT SENSOR

OK:

Sensor is installed correctly.

NG

SECURELY REINSTALL SENSOR

110.

CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)

(a) Check the harnesses and connectors, referring to DTC P0335 inspection procedure

.

HINT:

REPAIR OR REPLACE HARNESS OR CONNECTOR

111.

CHECK HARNESS AND CONNECTOR (VVT SENSOR - ECM)

(a) Check the harnesses and connectors, referring to DTC P0340 inspection procedure

.

(b) Check the harnesses and connectors, referring to DTC P0365 inspection procedure

.

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...

OK

HINT:

REPAIR OR REPLACE HARNESS OR CONNECTOR

112.

CHECK CRANKSHAFT POSITION SENSOR

(a) Replace the crankshaft position sensor

.

(b) Check the engine start operation.

OK:

Malfunction has been repaired successfully.

NG

GO TO STEP 113

OK

END (CRANKSHAFT POSITION SENSOR IS DEFECTIVE)

113.

CHECK VVT SENSOR

(a) Replace the VVT sensor

.

(b) Check the engine start operation.

OK:

Malfunction has been repaired successfully.

NG

REPLACE ECM

OK

END (VVT SENSOR IS DEFECTIVE)

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...

Last Modified: 9-16-2014

6.6 C

Doc ID: RM0000032440BOX

Model Year: 2015

Model: Tundra

Prod Date Range: [08/2014 - ]

Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1607; Cruise Control Input Processor; 2015 MY

Tundra [08/2014 - ]

DTC

P1607

Cruise Control Input Processor

DESCRIPTION

The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning

properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL

and store a DTC immediately.

DTC NO.

DTC DETECTION CONDITION

TROUBLE AREA

P1607

ECM CPUs malfunction

(1 trip detection logic)

ECM

MONITOR STRATEGY

Related DTC

P1607: Internal control module range check

Required sensors/Components (Main)

ECM

Required sensors/Components (Related)

Cruise control

Duration

0.3 seconds

MIL Operation

Immediate

TYPICAL ENABLING CONDITIONS

Monitor runs whenever the following DTCs are not present

None

DMA communication error

Not detected

Cruise control

Forbiddance

TYPICAL MALFUNCTION THRESHOLDS

When either condition below is met:

-

Cruise control

Operating

Low speed control

Operating

CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.

1.

Turn the ignition switch to ON and turn the Techstream on.

2.

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1607; Cruise...